Module 11 Master Question Bank

Question 1

1) A lead acid battery is considered fully charged when?
a) SG reaches 1.180
b) Cells gas freely
c) SG + voltage remain constant for specified period

Answer 1

c) SG + voltage remain constant for specified period

Question 2

2) Preferred method of Battery charging a Ni-Cad Battery is constant?
a) Voltage
b) Current
c) Power

Answer 2

b) Current

Question 3

3) Wing spoilers, when used asymmetrically are associated with
a) Elevators
b) Rudder
c) Ailerons

Answer 3

c) Ailerons

Question 4

4) In an aircraft control system employing servo-tabs instillation of external ground locks to main control surface
a) is unnecessary since system is irreversible and therefore control surface cannot be displace by the wind
b) would not prevent movement of control column
c) would also prevent movement of control column

Answer 4

b) would not prevent movement of control column

Question 5

5) Air above Mach 0.7 is
a) Compressible
b) Incompressible
c) Compressible only when above speed of sound

Answer 5

a) Compressible

Question 6

6) Supersonic air passing through a divergent duct causes the
a) Pressure to increase, velocity to increase
b) Pressure to decrease, velocity to increase
c) Pressure to increase, velocity to decrease

Answer 6

b) Pressure to decrease, velocity to increase

Question 7

7) An aircraft flying below the tropopause descends at a constant true airspeed. It’s Mach number will
a) Increase
b) Decrease
c) Not change

Answer 7

b) Decrease

Question 8

8) Spongy brakes are usually a result of
a) Air in system
b) Internal leakage
c) External leakage

Answer 8

a) Air in system

Question 9

9) Over inflated tyres may cause damage to the
a) Wheel hub
b) Wheel flange
c) Brake drum

Answer 9

b) Wheel flange

Question 10

10) Blow out panels are fitted to floors of pressurised aircraft to
a) Provide access for pressurising aircraft
b) Relieve pressure if maximum differential is exceeded
c) Provide venting should a differential pressure build up across floor

Answer 10

c) Provide venting should a differential pressure build up across floor

Question 11

11) If an aircraft were yawing to the left, where would you position the trim tab?
a) To the left
b) To the right
c) To the centre

Answer 11

a) To the left

Question 12

12) If an aircraft were flying with left wing low, where would you move the left aileron trim tab?
a) up
b) down
c) moving the aileron trim tab will not correct the situation

Answer 12

a) up

Question 13

13) When a leading edge flap is fully extended, what is the slot in the wing for?
a) To increase lift
b) To re-energise the boundary layer
c) To allow flap to be retract in to it when it retracts

Answer 13

b) To re-energise the boundary layer

Question 14

14) A purpose of a cut out in a hydraulic system
a) is to limit loss of fluid in event of pipe fracture
b) is to prevent creep of jack operated services which have several selected positions
c) is to relieve pump of load when operation of services is completed and accumulator charged with fluid

Answer 14

c) is to relieve pump of load when operation of services is completed and accumulator charged with fluid

Question 15

15) Hydraulic pressure can be restored by
a) the use of pressure/heat exchanger
b) compressing the air charge in an accumulator
c) compressing the fluid in a reservoir

Answer 15

b) compressing the air charge in an accumulator

Question 16

16) Auto pilot servo brake is energised
a) to actuate off
b) at same time as the clutch
c) to actuate on

Answer 16

a) to actuate off

Question 17

17) Hand held mikes are not permissible on
a) Public transport aircraft
b) Public transport or aerial work
c) Private aircraft only

Answer 17

a) Public transport aircraft

Question 18

18) Track altitude in a radio altimeter system begins at
a) 10,000 ft alt
b) 2500 ft alt
c) 1000 ft alt

Answer 18

b) 2500 ft alt

Question 19

19) A cross feed valve is usually in
a) Open position
b) Closed position
c) It’s last position

Answer 19

b) Closed position

Question 20

20) Full time yaw damper system detects
a) Only low frequencies
b) All frequencies
c) Band pass frequencies

Answer 20

c) Band pass frequencies

Question 21

21) What is radio altitude track altitude?
a) 500 ft
b) 2500 ft
c) 10,000 ft

Answer 21

b) 2500 ft

Question 22

22) Which category are hand mikes considered essential?
a) Light aircraft
b) Aerial work aircraft
c) Heavy passenger aircraft

Answer 22

a) Light aircraft

Question 23

23) Emergency frequency is?
a) 121.5
b) 123.5
c) 125.5

Answer 23

a) 121.5

Question 24

24) Sliding couplings in fuel systems are used on
a) High pressure systems
b) Low pressure systems
c) Air or vapour systems

Answer 24

c) Air or vapour systems

Question 25

25) Cargo and baggage compartments in which fire is completely confined come under
a) Class B
b) Class C
c) Class D

Answer 25

c) Class D

Question 26

26) When a current transformer is disconnected wheat should be done?
a) Terminals shorted
b) Resistor placed across terminals
c) Left open circuit

Answer 26

a) Terminals shorted

Question 27

27) What does a differential sensing coil sense?
a) Current
b) Volts
c) Power

Answer 27

a) Current

Question 28

28) 121.5 MHz is what frequency? (Requires double check-duplicate)
a) VHF
b) ILS
c) VOR

Answer 28

a) VHF

Question 29

29) 121.5 MHz is what frequency? (Requires double check-duplicate)
a) VOR
b) ILS
c) VHF

Answer 29

a) VOR

Question 30

30) Where does the GCU get its power?
a) PMG
b) Battery
c) RAT

Answer 30

a) PMG

Question 31

31) Galley loads are wired in
a) Series
b) Parallel so load shedding will lower current consumption
c) Either series or parallel depending on design

Answer 31

b) Parallel so load shedding will lower current consumption

Question 32

32) On a fibreglass aerial, what paint should be used?
a) Cellulose only
b) Not cellulose
c) Polyurethane

Answer 32

b) Not cellulose

Question 33

33) A current limiter
a) limits current flow to a load
b) opens a circuit after a time/current condition has been exceeded
c) can be used as a radio suppresser

Answer 33

b) opens a circuit after a time/current condition has been exceeded

Question 34

34) When a load is shed from a busbar
a) busbar voltage increases
b) current consumption from the busbar decreases
c) busbar voltage decreases

Answer 34

b) current consumption from the busbar decreases

Question 35

35) In an unparalleled AC generation system the phase rotation on one generator in relation to the others
a) Is unimportant
b) Must be synchronised prior to paralleling
c) Must be BCA

Answer 35

a) Is unimportant

Question 36

36) In a multi-generator system, the generator which takes more than it’s reactive power share is protected by?
a) over current and under current protection circuits
b) over voltage and under voltage protection circuits
c) over excitation and under excitation protection circuits

Answer 36

b) over voltage and under voltage protection circuits

Question 37

37) Sharing of electrical loads by paralleled DC generators is controlled by?
a) Equalising circuits which control the speed of generators
b) Equalising circuits which control the field excitation of the generators
c) Automatic load sharing

Answer 37

b) Equalising circuits which control the field excitation of the generators

Question 38

38) Excessive commutator sparking can be caused by
a) Brushes positioned on MNA
b) Weak spring tension
c) Rotating field diode failure

Answer 38

b) Weak spring tension

Question 39

39) Before checking the SG of a battery recently removed from aircraft
a) allow to stabilise for one hour
b) take the temperature of the electrolyte
c) carryout a capacity test

Answer 39

a) allow to stabilise for one hour

Question 40

40) When painting a neoprene coated radio antenna
a) use cellulose paint
b) use any paint
c) do not use cellulose paint

Answer 40

c) do not use cellulose paint

Question 41

41) On an AC external power plug, the interlock circuit is controlled by pins
a) AB
b) CD
c) EF

Answer 41

c) EF

Question 42

42) Over voltage protection circuits are activated
a) before the over voltage limit is exceeded
b) dependant on the magnitude of the over voltage
c) after fixed time delay

Answer 42

b) dependant on the magnitude of the over voltage

Question 43

43) With respect to flight spoilers they
a) only operate on the ground
b) only operate in flight
c) can operate both on ground and in flight

Answer 43

c) can operate both on ground and in flight

Question 44

44) Aircraft emergency escape slides are usually pressurised with/
a) Oxygen
b) Co2
c) Helium

Answer 44

b) Co2

Question 45

45) As an aircraft descends from cruising altitude (34,000 ft) the cabin altitude must?
a) Stay the same
b) Increase
c) Decrease

Answer 45

c) Decrease

Question 46

46) A refrigerant is used in which of the following?
a) Air cycle machine
b) Pneumatic pump
c) Vapour cycle

Answer 46

c) Vapour cycle

Question 47

47) With aircraft lights – which of the following is true?
a) Starboard light red, port light green, tail light red
b) Starboard light red, port light green, tail light white
c) Starboard light green, port light red, tail light white

Answer 47

c) Starboard light green, port light red, tail light white

Question 48

48) An ECAM system is tested under the following conditions
a) Aircraft on the ground with one engine running
b) Aircraft on the ground with parking brake set/on
c) Aircraft in the air with both engines running

Answer 48

b) Aircraft on the ground with parking brake set/on

Question 49

49) With respect to differential aileron control, which of the following is true?
a) The up going aileron moves through a smaller angle than the down going aileron
b) The up going and down going ailerons both deflect to the same angle
c) The down going aileron moves through a smaller angle than the up going aileron

Answer 49

c) The down going aileron moves through a smaller angle than the up going aileron

Question 50

50) How many axis does the autopilot control?
a) Two
b) Three
c) Four

Answer 50

b) Three

Question 51

51) A diode connected across a coil will?
a) prevent back EMF and allow faster switching
b) suppress arching when relay is opening and closing
c) prevent the coil being fitted the wrong way

Answer 51

b) suppress arching when relay is opening and closing

Question 52

52) Which fault does not trip the GCR?
a) Under frequency and under volts
b) Over frequency and over volts
c) Over frequency and under frequency

Answer 52

c) Over frequency and under frequency

Question 53

53) differential protection in a generating system
a) detects voltage difference between source and load
b) detects current difference between source and load
c) uses the volts coil to trip the GCR

Answer 53

b) detects current difference between source and load

Question 54

54) Open phase sensing on a current transformer
a) is detected using all phases
b) is detected using any phase
c) is detected on generator neutral circuit

Answer 54

c) is detected on generator neutral circuit

Question 55

55) Emergency floor lighting system is inoperative, then
a) the aircraft is allowed to fly empty to main base
b) the aircraft is not allowed to fly until repaired
c) the aircraft is allowed to fly in daylight conditions only

Answer 55

a) the aircraft is allowed to fly empty to main base

Question 56

56) A white light must be
a) of five candela showing from starboard side through an angle of 110 degrees in the horizontal plain
b) of at least three candela showing through an angle of 110 degrees from dead astern in the horizontal plain
c) of at least three candela showing through 70 degrees from dead astern to each side in horizontal plain

Answer 56

c) of at least three candela showing through 70 degrees from dead astern to each side in horizontal plain

Question 57

57) If a battery is switched off in flight the
a) battery is disconnected from bus
b) generator voltage falls to zero
c) captain’s instruments will be powered from standby bus

Answer 57

a) battery is disconnected from bus

Question 58

58) To flash a generator field
a) generator must be stationary
b) rotate but not on line
c) online and producing a voltage less than the flashing voltage

Answer 58

a) generator must be stationary

Question 59

59) A hydraulic motor generator’s voltage and current is controlled by
a) the swash plate
b) the constant speed drive
c) the voltage regulator

Answer 59

c) the voltage regulator

Question 60

60) The ground interlock pins are numbered
a) A and B
b) C and N
c) E and F

Answer 60

c) E and F

Question 61

61) A nose down change of trim (tuck under) occurs due to shock induced on
a) tip stall on a straight wing aircraft
b) tip stall on a delta wing aircraft
c) root stall on a delta wing aircraft

Answer 61

c) root stall on a delta wing aircraft

Question 62

62) Zone 320 under the ATA system is
a) vertical stabiliser
b) central fuselage
c) horizontal stabiliser

Answer 62

a) vertical stabiliser

Question 63

63) When doing a bonding check the maximum resistance between component and earth is
a) 0.005 ohms
b) 1/50 ohms
c) 50 milliohms

Answer 63

c) 50 milliohms

Question 64

64) Which instrument are most likely to damage if you have a rapid drop in pressure, when carrying out a pitot static leak check?
a) Altimeter
b) Air speed indicator
c) Vertical speed indicator

Answer 64

a) Altimeter

Question 65

65) The aeroplane fin is of symmetrical section and will therefore provide side-load
a) only when the rudder is moved
b) if a suitable angle of attack develops due to either yaw or rudder movement
c) only if a suitable angle of attack develops due to yaw

Answer 65

b) if a suitable angle of attack develops due to either yaw or rudder movement

Question 66

66) An aircraft left wing low. The aileron trimmer control to the left aileron trim tab in the cockpit would be
a) moved up causing the left aileron to move down
b) moved up causing the left aileron to move up
c) moved down causing the left aileron to move down

Answer 66

a) moved up causing the left aileron to move down

Question 67

67) The bearing used in a fibre pulley is
a) a roller bearing
b) a plain bearing
c) a ball bearing

Answer 67

c) a ball bearing

Question 68

68) The real time on a CMC is when
a) existing faults page is selected on CDU
b) ground test page is selected on the CDU
c) fault history page is selected on the CDU

Answer 68

a) existing faults page is selected on CDU

Question 69

69) The signal line between the controller and discharge valve is leaking. This will cause
a) the cabin pressure to decrease
b) the cabin pressure to increase
c) it will not effect the cabin pressure

Answer 69

b) the cabin pressure to increase

Question 70

70) A spill valve opens
a) to control the air from the cabin to outside
b) to control the flow to the cabin
c) to prevent an excessive pressure difference

Answer 70

b) to control the flow to the cabin

Question 71

71) An aircraft aerofoil is exposed to supersonic flow. The boundary layer
a) is subsonic
b) increases in depth
c) is supersonic

Answer 71

a) is subsonic

Question 72

72) A brake debooster valve is provided for
a) decreasing the pressure and slowly releasing the brakes
b) applying brake pressure slowly and releasing the brakes quickly
c) increasing the pressure and applying the brakes rapidly

Answer 72

b) applying brake pressure slowly and releasing the brakes quickly

Question 73

73) A symmetrical aerofoil is accelerating through Mach 1 with an angle of 0 degrees. A shock wave will form
a) on the upper surface only and moving aft
b) on the upper and lower surfaces and will move aft until the point of maximum camber
c) on the upper and lower surface and will move aft

Answer 73

c) on the upper and lower surface and will move aft

Question 74

74) One of the inputs in a CMC is auto pilot controls. The data will be stored in
a) volatile memory
b) non-volatile memory
c) erased only after end of sector

Answer 74

b) non-volatile memory

Question 75

75) The runway heading is
a) QDH
b) QDR
c) QDM

Answer 75

c) QDM

Question 76

76) A spar web will take loads in
a) shear
b) tension
c) bending

Answer 76

a) shear

‘The spar as a whole, takes bending and shear’??

Question 77

77) What kind of seal is used on firewall bulkheads?
a) soft rubber
b) fire-proof grommets
c) none required

Answer 77

b) fire-proof grommets

Question 78

78) A fuel cross-feed valve is powered from
a) AC busbar
b) The battery
c) DC busbar

Answer 78

c) DC busbar

Question 79

79) A fuel cross-feed valve is lubricated
a) by the fuel
b) by internal cooling
c) by air

Answer 79

a) by the fuel

Question 80

80) A cabin altitude is protected against reaching an altitude of 13 000 ft by
a) bellows in the outflow valve
b) altitude sensor
c) cabin over pressure relief valve

Answer 80

b) altitude sensor

Question 81

81) How is damage to the nose cone of an aircraft prevented during a lightening strike?
a) Bonded strip
b) Earthing strip
c) Special paint

Answer 81

a) Bonded strip

Question 82

82) ILS marker beacon lights are
a) green, blue, amber
b) blue, amber, white
c) blue, white, green

Answer 82

b) blue, amber, white

Question 83

83) 111.1 MHz is
a) an ILS frequency
b) a VOR frequency
c) a HF frequency

Answer 83

a) an ILS frequency

Question 84

84) An auto pilot PFCU servo brake is
a) energised on
b) energised off
c) energised at the same time as the clutch

Answer 84

b) energised off

Question 85

85) A florescent tube contains
a) orange coatings, rare gases and mercury vapour
b) phosphor coatings, rare gases and mercury vapour
c) iodine coatings and rare gases

Answer 85

b) phosphor coatings, rare gases and mercury vapour

Question 86

86) Distilled water should be added to a ni-cad battery
a) when fully charged
b) at any time
c) only in the battery workshop

Answer 86

a) when fully charged

Question 87

87) Overflowing electrolyte in a ni-cad battery indicates
a) excessive charging current
b) not enough charging current
c) low electrolyte temperature

Answer 87

a) excessive charging current

Question 88

88) The aviation distress frequency is
a) 122.5 MHz
b) 121.5 MHz
c) 121.5 kHz

Answer 88

b) 121.5 MHz

Question 89

89) A radio altimeter in track mode is effective to
a) 2000 ft
b) 100 ft
c) 2500 ft

Answer 89

c) 2500 ft

Question 90

90) During a normal engine shutdown, generator tripping is initiated by
a) undervoltage
b) underfrequency
c) overcurrent

Answer 90

a) undervoltage

Question 91

91) 112.1 MHz is
a) an ILS frequency
b) a VOR frequency
c) an ADF frequency

Answer 91

b) a VOR frequency

Question 92

92) What does a Decca navigation system operate on?
a) Low frequency
b) High frequency
c) Very high frequency

Answer 92

a) Low frequency

Question 93

93) What is the minimum separation between a seat back cushion and another seat or fixed structure?
a) 24 inches
b) 26 inches
c) 28 inches

Answer 93

b) 26 inches

Question 94

94) In an autoland aircraft fitted with a CMC
a) all faults are recorded in Volatile memory
b) all faults are recorded in Non-Volatile memory
c) only primary faults are recorded

Answer 94

b) all faults are recorded in Non-Volatile memory

Question 95

95) Adhesive bonding is
a) wetting + gripping
b) wetting + setting
c) spread + setting

Answer 95

b) wetting + setting

Question 96

96) Tension is the stress of
a) twisting
b) elongation or stretch
c) crush or compression

Answer 96

b) elongation or stretch

Question 97

97) What is the minimum number of fire bottles in a cabin with 201-301 people?
a) 3 BCF
b) 4 Methyl Bromide
c) 4 Fire Extinguishers

Answer 97

c) 4 Fire Extinguishers

Question 98

98) On an aircraft with asymmetrical ailerons what happens to induced drag when banking right?
a) Drag on inside aileron goes up but not as much as the outer
b) Drag on the outer aileron increases
c) Drag on the outer aileron is less

Answer 98

c) Drag on the outer aileron is less

Question 99

99) When the primary stops fitted to a control run have been contacted
a) a clearance exists at the secondary stops
b) the secondary stops will just be in contact
c) the secondary stops have been over-ridden

Answer 99

a) a clearance exists at the secondary stops

Question 100

100) Excessive wear on both sides of a control cable pulley groove is evidence of
a) pulley misalignment
b) cable misalignment
c) excessive cable tension

Answer 100

a) pulley misalignment

Question 101

101) A universal protractor used to measure degrees of aileron travel should be zeroed
a) with the aileron in the neutral position
b) with the aileron in the down position
c) when the aircraft is in level flight attitude

Answer 101

a) with the aileron in the neutral position

Question 102

102) A flying control static friction check
a) can only be carried out during flight
b) will demonstrate that a high force is always necessary to operate non-powered controls
c) demonstrates the force the pilot requires to overcome system inertia and move the controls

Answer 102

c) demonstrates the force the pilot requires to overcome system inertia and move the controls

Question 103

103) Anoxia is due to
a) release of nitrogen bubbles in the blood
b) lack of oxygen
c) low air pressure on the body

Answer 103

b) lack of oxygen

Question 104

104) The basic system of cabin pressurisation is to arrange a constant
a) inlet and outlet
b) outlet and vary the inlet
c) inlet and vary the outlet

Answer 104

c) inlet and vary the outlet

Question 105

105) The purpose of the differential capsule in a pressure controller is to control
a) the rate of pressurisation
b) cabin differential pressure
c) cabin air flow

Answer 105

b) cabin differential pressure

Question 106

106) Control of rate of change of cabin pressure is
a) more important in descent
b) equally important in ascent and descent
c) more important in ascent

Answer 106

a) more important in descent

Question 107

107) With a pressurised aircraft at max differential pressure and a cabin pressure increase occurs, the differential capsule in the pressure controller will.
a) have a constant mass flow
b) let all pressurising air to be spilled over board
c) let pressurisation to be switched off until leaks cause a drop in pressure

Answer 107

b) let all pressurising air to be spilled over board

Question 108

108) If the cabin altitude increases above the normal maximum
a) a warning light comes on in the cockpit
b) compressor delivery is automatically boosted
c) an inward relief valve opens

Answer 108

a) a warning light comes on in the cockpit

Question 109

109) Fuel cross feed valves are lubricated by
a) fuel
b) special lubricant
c) no lubrication needed

Answer 109

a) fuel

Question 110

110) Fuel cross feed valves are operated by
a) 28 v dc bus
b) battery bus
c) 115 v ac

Answer 110

a) 28 v dc bus

Question 111

111) What is the colour of the band on a hydraulic seal?
a) white
b) green
c) yellow

Answer 111

b) green

Question 112

112) Which of the following has hyperbolic curve?
a) VOR
b) DME
c) Loran C

Answer 112

c) Loran C

Question 113

113) What would you use to neutralise nicad battery spillage?
a) Boric acid
b) Bicarbonate of soda
c) Distilled water

Answer 113

a) Boric acid

Question 114

114) A GPS satellite will come into view
a) 20 degrees above the horizon with respect to the viewer
b) 15 degrees above the horizon with respect to the viewer
c) 10 degrees above the horizon with respect to the viewer

Answer 114

b) 15 degrees above the horizon with respect to the viewer

Question 115

115) Apparent drift is a function of
a) sin x latitude
b) cos x latitude
c) tan x latitude

Answer 115

b) cos x latitude

Question 116

116) What is an aileron balance cable for?
a) To allow the cable to be tensioned
b) To allow aircraft to fly hands off
c) To correct for wing heaviness

Answer 116

a) To allow the cable to be tensioned

Question 117

117) With an increase in the Mach number, the boundary airflow
a) remains constant
b) decreases thickness
c) increases thickness

Answer 117

c) increases thickness

Question 118

118) A comfortable cabin altitude rate of climb is
a) 500 ft per min
b) 300 ft per min
c) 100 ft per min

Answer 118

a) 500 ft per min

Question 119

119) Restrictions to the use of hand held microphones apply to
a) aerial work and transport category aircraft
b) transport category aircraft only
c) private category

Answer 119

b) transport category aircraft only

Question 120

120) A white steady light is required
a) of at least 3 candelas, at the rear of the aircraft 70 degrees either side of dead astern
b) of at least 10 candelas, at the rear of the aircraft 110 degrees either side of dead astern
c) of at least 10 lumens, at the rear of the aircraft 110 degrees either side of dead astern

Answer 120

a) of at least 3 candelas, at the rear of the aircraft 70 degrees either side of dead astern

Question 121

121) Before operating generators in parallel, their voltages should be matched to prevent
a) overloading the generator drive and shearing of splines
b) voltages spikes of sufficient magnitude to trigger GCU overvoltage circuits
c) large circulating currents developing

Answer 121

a) overloading the generator drive and shearing of splines

Question 122

122) Consumer loads are connected to a busbar
a) in parallel so when loads are shed current is reduced
b) in series so when loads are shed current is reduced
c) in series so when loads are shed voltage is reduced

Answer 122

a) in parallel so when loads are shed current is reduced

Question 123

123) A current transformer connected on the neutral star point of a generator is for
a) negative sequence protection
b) overload protection
c) differential protection

Answer 123

c) differential protection

Question 124

124) Differential protection as applied to AC generation systems compares
a) generator current to busbar current
b) generator voltage to busbar voltage
c) ambient pressure to cabin to cabin pressure

Answer 124

a) generator current to busbar current

Question 125

125) When a current transformer is disconnected
a) a shorting link should be fitted
b) a resistor should be installed
c) no further precautions required

Answer 125

a) a shorting link should be fitted

Question 126

126) In an AC generation system, the frequency and phase rotation
a) must be synchronised prior to paralleling
b) must be out of phase prior to paralleling
c) is of no consequence after paralleling

Answer 126

a) must be synchronised prior to paralleling

Question 127

127) Diodes are placed across a contactor to
a) speed up operation by reducing back EMF
b) prevent contact bounce
c) ensure smooth contactor operation

Answer 127

a) speed up operation by reducing back EMF

Question 128

128) Placing the battery master switch to off during flight will
a) isolate the battery from the main busbar
b) disconnect all power to the main busbar
c) shut down the APU

Answer 128

a) isolate the battery from the main busbar

Question 129

129) The purpose of the clutch in an autothrottle servo is
a) to protect the servo motor in the event of inadvertent runaway
b) to limit the range of control movement
c) to allow the pilot to override

Answer 129

c) to allow the pilot to override

Question 130

130) Whilst operating paralleled AC constant frequency generators, it is important to maintain generator outputs at the same voltage
a) to prevent a circulating current developing between two or more TRU’s
b) to prevent a circulating current of considerable magnitude developing between two or more generators
c) to prevent CSD shock loading

Answer 130

b) to prevent a circulating current of considerable magnitude developing between two or more generators

Question 131

131) A voltage regulator installed in series with a generator field
a) uses a current coil in parallel with generator output
b) uses a voltage coil in series with generator output
c) uses a voltage coil in parallel with generator output

Answer 131

c) uses a voltage coil in parallel with generator output

Question 132

132) CSD warning lights on the flight deck normally indicate
a) high oil pressure, low oil temp
b) low oil pressure, high oil temp
c) low oil pressure, underfrequency

Answer 132

b) low oil pressure, high oil temp

Question 133

133) The output frequency of a hydraulically driven standby generator is controlled by
a) a hydraulically actuated swash plate
b) an IDG
c) a CSD

Answer 133

a) a hydraulically actuated swash plate

Question 134

134) An AC generator used with a CSD
a) does not need a voltage controller because voltage is kept constant
b) does not need a voltage controller because current is kept constant
c) needs a voltage controller to maintain voltage with increasing load

Answer 134

c) needs a voltage controller to maintain voltage with increasing load

Question 135

135) Power to a GCU is supplied
a) initially by a ‘field tickling’ supply and then PMG output
b) generator output only
c) battery bus or rectified generator output

Answer 135

c) battery bus or rectified generator output

Question 136

136) Trip signals for a GCR are
a) underfrequency and overcurrent
b) differential protection and undervoltage
c) overfrequency and undervoltage

Answer 136

b) differential protection and undervoltage

Question 137

137) Abnormal CSD operation is monitored on the flight deck by observing indications of
a) high oil temp/low oil pressure
b) high oil temp/low oil quantity
c) low oil quantity/low oil temp

Answer 137

a) high oil temp/low oil pressure

Question 138

138) Wires in hot temperature areas should be bound with
a) Nomex
b) Teflon
c) PVC

Answer 138

b) Teflon

Question 139

139) A heat gun should be operated at
a) 100 degrees above the specified
b) 100 degrees below the specified
c) at the specified temperature

Answer 139

c) at the specified temperature

Question 140

140) High voltages on a generator in a parallel system should be prevented because
a) it will damage the drive shaft
b) it will cause high circulating current in the bus/other generators
c) it will trip the GCR

Answer 140

c) it will trip the GCR

Question 141

141) Over voltage condition trips the generator. Time taken to trip the GCU depends on
a) closing of fuel and hydraulic valves
b) amplitude of voltage
c) time delay circuit

Answer 141

b) amplitude of voltage

Question 142

142) Speed of HMG is controlled by a
a) swash plate
b) CSD unit
c) ID unit

Answer 142

a) swash plate

Question 143

143) Track mode of RA is operational
a) from 1.0 to 100 feet
b) from 0 to 2500 feet
c) above 10000 feet

Answer 143

b) from 0 to 2500 feet

Question 144

144) Permanent magnet should have
a) low retentivity, high coercivity
b) high retentivity, low coercivity
c) low retentivity, low coercivity

Answer 144

b) high retentivity, low coercivity

Question 145

145) How many floor path lights can you fly with unserviceable?
a) 15%
b) 20%
c) 25%

Answer 145

c) 25%

Question 146

146) How many aerials are there in a TCAS system?
a) 3
b) 2
c) 1

Answer 146

b) 2

Question 147

147) Wavelength of X band radar is?
a) 3cm
b) 5cm
c) 10m

Answer 147

a) 3cm

Question 148

148) Precipitation static is caused by
a) HF radiation
b) Lightening strikes
c) Skin to air particle collisions

Answer 148

c) Skin to air particle collisions

Question 149

149) HF aerials have weak points designed at
a) front end
b) back end
c) both ends

Answer 149

b) back end

Question 150

150) How is a serrated rod ice detector bench tested?
a) By a motor load test
b) Motor test and Go-Nogo gap measurement
c) Screwdriver torque test

Answer 150

c) Screwdriver torque test

Question 151

151) What is reply frequency of an aircraft transponder?
a) 1000 MHz
b) 1030 MHz
c) 1090 MHz

Answer 151

c) 1090 MHz

Question 152

152) How often do hand held extinguishers have to be weighed?
a) Annually
b) Bi-annually
c) Every 5 years

Answer 152

a) Annually

Question 153

153) CAT II RVR limit is
a) 10,000 ft
b) 1200 ft
c) 1000 ft

Answer 153

b) 1200 ft

Question 154

154) Vertical projected separation between seat rows must be
a) 3 inches
b) 4 inches
c) 5 inches

Answer 154

a) 3 inches

Question 155

155) Dissimilar Metal Fusion Bonding is best for
a) high strength and high stiffness
b) high strength and toughness
c) high strength and ductility

Answer 155

c) high strength and ductility

Question 156

156) A fuselage station is a
a) longitudinal point on the aircraft fuselage
b) lateral point on aircraft fuse
c) lateral point on aircraft wing

Answer 156

a) longitudinal point on the aircraft fuselage

Question 157

157) Prior to aluminium alloy bonding, we use
a) solvent etch
b) alkaline etch
c) acid etch

Answer 157

c) acid etch

Question 158

158) What will happen if the aircraft battery becomes overheated?
a) the hot battery bus will be disconnected from the battery
b) the battery charger will switch to trickle charge mode
c) the power supply to the battery will be interrupted

Answer 158

c) the power supply to the battery will be interrupted

Question 159

159) The purpose of a slot in a wing is to
a) act as venturi, accelerate the air and re-energise boundary layer
b) speed up the airflow and increase lift
c) provide housing for the slat

Answer 159

a) act as venturi, accelerate the air and re-energise boundary layer

Question 160

160) The purpose of primer is to
a) help bonding of the top coat
b) provide shiny surface for the top coat
c) provide flexible surface for the top coat

Answer 160

a) help bonding of the top coat

Question 161

161) Large flap deployment
a) causes increased spanwise flow towards tips on wing upper surface
b) causes increased spanwise flow towards tips on wing lower surface
c) has no effect on spanwise flow

Answer 161

b) causes increased spanwise flow towards tips on wing lower surface

Question 162

162) At speeds greater than Mach 1 airflow in the boundary layer is
a) subsonic
b) supersonic
c) stationary

Answer 162

a) subsonic

Question 163

163) A machmeter works
a) above 10000 ft
b) always
c) always except on ground

Answer 163

b) always

Question 164

164) With the elevator trim wheel adjusted fully aft (nose up) range of movement of the elevator is restricted
a) for ‘up’ travel movement
b) for ‘down’ travel movement
c) would make no difference to the movement

Answer 164

a) for ‘up’ travel movement

Question 165

165) Acrylic windows must be able to flex in situ because they have
a) lager coefficient of expansion than surrounding structure
b) smaller coefficient of expansion than surrounding structure
c) slight shrinkage due to age

Answer 165

b) smaller coefficient of expansion than surrounding structure

Question 166

166) Engine wing fire bottles should be charged with nitrogen at 15 degrees C to
a) 1500 psi
b) 1250 psi
c) 600 psi

Answer 166

c) 600 psi

Question 167

167) When the temperature increases in a lead acid battery, the SG will
a) increase
b) decrease
c) remain the same

Answer 167

b) decrease

Question 168

168) Radio marker info is displayed on
a) HSI
b) ADI
c) EICAS

Answer 168

b) ADI

Question 169

169) Angle of attack alarm is sounding too close to stall. Rectification is to
a) move probe up
b) move probe down
c) move probe laterally

Answer 169

b) move probe down

Question 170

170) When does auto trim operate at lower speed?
a) when flaps are down
b) when gear is down
c) when flaps are up

Answer 170

c) when flaps are up

Question 171

171) A water separator is located
a) downstream of the turbine
b) downstream of heat exchanger
c) upstream of the turbine

Answer 171

a) downstream of the turbine

Question 172

172) A cargo bay must have signs stating
a) no hazardous cargo
b) max dimensions
c) max loadings

Answer 172

c) max loadings

Question 173

173) Where is alpha angle used?
a) accelerometer
b) IRS
c) Angle of attack

Answer 173

c) Angle of attack

Question 174

174) A fire that can be put out by a crewmember in a cargo bay is a
a) class a
b) class b
c) class d

Answer 174

b) class b

Question 175

175) Spoilers/speedbrakes deploy to
a) 15 deg
b) 30 deg
c) 60 deg

Answer 175

c) 60 deg

Question 176

176) Fuel systems that are interconnected must have
a) air spaces interconnected
b) separate venting for each tank
c) no airspace

Answer 176

a) air spaces interconnected

Question 177

177) As fuel level increases, system capacitance
a) decreases
b) increases
c) no change

Answer 177

b) increases

Question 178

178) When refuelling
a) the fuel nozzle will automatically cut off the supply when the tank is full
b) it is important to fill the expansion space in the tank
c) it is important not to fill the expansion space in the tank

Answer 178

c) it is important not to fill the expansion space in the tank

Question 179

179) Which part of the wing of a swept-wing aircraft stalls first?
a) Tip stalls first
b) Root stalls first
c) Both stall together

Answer 179

a) Tip stalls first

Question 180

180) Composite material is bonded by
a) copper wire
b) special paint
c) aluminium wire

Answer 180

b) special paint

Question 181

181) Cargo nets are manufactured from
a) hessian
b) polypropylene
c) nylon

Answer 181

c) nylon

Question 182

182) With an auto pilot engaged which control surface is inhibited?
a) Elevators
b) Ailerons
c) THS

Answer 182

c) THS

Question 183

183) When flaps are lowered the automatic trim system will
a) increase the angle of incidence of the THS
b) decrease the angle of incidence of the THS
c) angle of incidence remains the same

Answer 183

b) decrease the angle of incidence of the THS

Question 184

184) During flight an aircraft is yawing to the right. The aircraft would have a tendency to fly
a) left wing low
b) right wing low
c) nose up

Answer 184

b) right wing low

Question 185

185) In auto pilot the control column
a) does not move
b) moves in pitch
c) moves in pitch and roll

Answer 185

c) moves in pitch and roll

Question 186

186) Where is the spinup/rundown brake?
a) Inner gimbal
b) Outer gimbal
c) Rotating vane

Answer 186

b) Outer gimbal

Question 187

187) On replacing a pre-indexed flux valve you would
a) carry out a check swing after fitment
b) fit the serviceable pre indexed flex valve into the same position as the unserviceable pre-indexed flux valve was removed from
c) align the aircraft onto it’s ‘A’ quotient so that no error is induced

Answer 187

b) fit the serviceable pre indexed flex valve into the same position as the unserviceable pre-indexed flux valve was removed from

Question 188

188) In airways flying, what is the barometric scale of the altimeter set to?
a) QFE
b) QNH
c) 1013.25

Answer 188

c) 1013.25

Question 189

189) Zone D cargo compartment windows
a) are made from fire retardant Perspex
b) must have blinds pulled down
c) must be blanked off

Answer 189

c) must be blanked off

Question 190

190) A ‘hyperbolic’ system is
a) ILS
b) VOR
c) LORAN C

Answer 190

c) LORAN C

Question 191

191) A fire zone in which a crew member could enter to fight a fire is
a) class A
b) class B
c) class E

Answer 191

a) class A

Question 192

192) When is ‘autothrottle’ disengaged?
a) On selection of reverse thrust
b) After thrust reverser has deployed beyond 90% so that TOGA can be selected in case of emergency
c) On landing

Answer 192

a) On selection of reverse thrust

Question 193

193) On testing a generator it is found to require adjusting, where would you adjust it?
a) In the cockpit on the flight engineers panel
b) On the GCU
c) By means of a remote trimmer

Answer 193

c) By means of a remote trimmer

Question 194

194) Tubeless tyres are stored
a) horizontally maximum of four high with smallest diameter on top
b) vertically
c) At 15 to 20 P.S.I.

Answer 194

b) vertically

Question 195

195) Control of hydraulically powered emergency electrical generator frequency is
a) by angle of swash plate
b) by IDG
c) by CSU

Answer 195

a) by angle of swash plate

Question 196

196) Aircraft with auto pilot and auto trim, a pitch command input will cause
a) column to move and trim system to move
b) column to move and trim system not to move
c) column will not move and trim system will move

Answer 196

a) column to move and trim system to move

Question 197

197) ATA 100 is
a) upper fuse
b) lower fuse
c) Left hand wing

Answer 197

b) lower fuse

Question 198

198) On a wheel bogie unit, positive camber is
a) top of wheels closer together
b) bottom of wheels closer together
c) front of wheels closer together

Answer 198

b) bottom of wheels closer together

Question 199

199) In regard to aircraft transponder, what is pulse frequency?
a) Amount of times interrogating signal is sent per second
b) Number of pulses per signal
c) Amount of times reply signal is sent per second

Answer 199

c) Amount of times reply signal is sent per second

Question 200

200) Weight of extinguisher is stamped
a) on base of body
b) on head fitting
c) on bracket

Answer 200

b) on head fitting

Question 201

201) In a CMC system where would you find ‘real time’ fault?
a) In test
b) In fault
c) In fault history

Answer 201

b) In fault

Question 202

202) Toilet flush motor is protected from overheat by
a) cooling fan on timer switch
b) thermal protection
c) water cooling

Answer 202

b) thermal protection

Question 203

203) In a capacitive fire detection system, if
a) there is a break the system will work but will not test satisfactory
b) there is a short to earth the system will work but not test satisfactory
c) there is a break the system will not work

Answer 203

b) there is a short to earth the system will work but not test satisfactory

Question 204

204) Life jackets are inflated with cylinders of
a) air
b) CO2
c) Nitrogen

Answer 204

b) CO2

Question 205

205) When using Biopor microbial fuel growth treatment
a) it is applied wet and flushed out
b) it is applied dry and left
c) it is added to the fuel and burnt

Answer 205

c) it is added to the fuel and burnt

Question 206

206) Microbial growth is
a) brown black slime
b) red dots
c) green sludge

Answer 206

a) brown black slime

Question 207

207) Vibration monitoring signals are sent
a) direct to the gauge
b) via a ½ wave rectifier to the gauge
c) via a signal conditioner to the gauge

Answer 207

c) via a signal conditioner to the gauge

Question 208

208) The vacuum system gauge reads 5 inches of mercury. This is from
a) ambient and minus
b) zero and minus
c) zero and positive

Answer 208

a) ambient and minus

Question 209

209) Solid burning oxygen units have a burn time of
a) 15 min
b) 30 min
c) 45 min

Answer 209

a) 15 min

Question 210

210) A direct reading bordon gauge has a restriction in the inlet, this is to
a) prevent FOD ingestion
b) dampen sudden pressure changes
c) allow for calibration

Answer 210

b) dampen sudden pressure changes

Question 211

211) Windshield heating provides
a) impact resistance enhancement
b) increases strength to resist cabin pressure
c) thermal expansion for a tighter fit

Answer 211

a) impact resistance enhancement

Question 212

212) CAT 2 RVR limit is
a) 800m
b) 400m
c) 200m

Answer 212

b) 400m

Question 213

213) When the moisture separator is purged in a pneumatic system, it dumps
a) the whole system
b) just the moisture trap
c) the system between compressor and regulator valve

Answer 213

b) just the moisture trap

Question 214

214) The pneumatic system pump is
a) rotor vane
b) piston
c) centrifugal

Answer 214

b) piston

Question 215

215) A badly corroded and pitted brake disk will
a) wear brake pads too quickly, and should be replaced
b) be ok, and provide better grip
c) produce loss of fluid

Answer 215

a) wear brake pads too quickly, and should be replaced

Question 216

216) At what press and temp is anti ice fluid applied?
a) 70 deg F at 100 psi
b) 7 deg F at 100 psi
c) 70 deg at 10 psi

Answer 216

a) 70 deg F at 100 psi

Question 217

217) In a semi-monocoque construction, compression loads are taken by
a) stringers
b) frames
c) bulkheads

Answer 217

b) frames

Question 218

218) Wing bending and shear loads are taken by
a) spar cap
b) main spar
c) skin

Answer 218

b) main spar

Question 219

219) The dilutor demand regulator functions
a) when the user breathes in
b) all the time
c) only when the supply valve is opened by the user

Answer 219

a) when the user breathes in

Question 220

220) A maintainer valve in an hydraulic system will
a) allow continued press to essential systems during times of reduced supply
b) dampen pressure inputs
c) maintain a high pressure to all systems

Answer 220

a) allow continued press to essential systems during times of reduced supply

Question 221

221) In a pneumatic system the maintainer valve will be fitted in supply lines to
a) essential equipment
b) non-essential equipment
c) all equipment

Answer 221

b) non-essential equipment

Question 222

222) A comfortable rate of cabin altitude climb for passengers is
a) 500ft per min
b) 300ft per min
c) 100ft per min

Answer 222

a) 500ft per min

Question 223

223) The hot junction of a thermocouple is
a) in the instrument
b) in the combustion chamber
c) aft of the combustion chamber

Answer 223

c) aft of the combustion chamber

Question 224

224) With a drop in ambient temperature, an aircraft service ceiling will
a) lower
b) rise
c) not be affected

Answer 224

b) rise

Question 225

225) Before carrying out a ground pressure check
a) check all pitot and static lines are fitted
b) turn on all instruments
c) set altimeter to QNH

Answer 225

a) check all pitot and static lines are fitted

Question 226

226) The electrical connector to a remote aircraft component must be
a) .5in wide
b) 0.25in wide and 22 AWG
c) 22 AWG

Answer 226

a) .5in wide

Question 227

227) To measure moisture in an oxygen system use
a) a glass plate
b) litmus paper
c) a hygrometer using the dew point method

Answer 227

c) a hygrometer using the dew point method

Question 228

228) Most large transport aircraft skins are
a) 2024
b) 7075
c) 5056

Answer 228

a) 2024

Question 229

229) Where is the temperature overheat switch located in a hydraulic pump?
a) In the pressure line
b) In the suction line
c) In the case drain

Answer 229

c) In the case drain

Question 230

230) How much oxygen is allowed in a tyre?
a) 5% by volume
b) 15% by volume
c) 5% by pressure

Answer 230

a) 5% by volume

Question 231

231) A tyre specification 32 x 10.75 – 14. What does the 10.75 refer to?
a) Bead diameter
b) Section width
c) Overall diameter

Answer 231

b) Section width

Question 232

232) What happens if a component has an internal hydraulic leak?
a) Increase in pressure
b) Increase in temperature
c) Fluid loss

Answer 232

b) Increase in temperature

Question 233

233) What happens to hydraulic fluid when it is overheated?
a) Increase viscosity
b) Increase acidity
c) Increase alkalinity

Answer 233

b) Increase acidity

Question 234

234) When servicing an oleo, fluid comes out of the air valve when the leg is depressurised?
a) The leg is serviceable – the separator has bottomed
b) Leaking air/oil seals
c) Separator plate stuck open

Answer 234

a) The leg is serviceable – the separator has bottomed

Question 235

235) When does auto trim operate at lower speed?
a) When flaps down
b) When gear down
c) When flaps up

Answer 235

c) When flaps up

Question 236

236) What force is an I-beam subjected to?
a) Bending
b) Tension
c) Shear

Answer 236

a) Bending

Question 237

237) How is the hydraulic pump depressurising solenoid actuated?
a) Energised open
b) Energised closed for fail-safe
c) Energised both open and closed depending on cockpit selection

Answer 237

b) Energised closed for fail-safe

Question 238

238) How do you prevent hydraulic fluid frothing?
a) Via tray
b) Vent reservoir to atmosphere
c) By pressurising

Answer 238

c) By pressurising

Question 239

239) When a ni-cad battery is fully charged
a) the electrolyte level stays the same
b) the electrolyte level is higher level than normal
c) the electrolyte level is lower than normal

Answer 239

b) the electrolyte level is higher level than normal

Question 240

240) How many programs can a FMC store?
a) One current
b) Two. One active and one standby
c) Two. Both active

Answer 240

b) Two. One active and one standby

Question 241

241) EPR and speed for autothrottle is activated at
a) cruise
b) take off
c) approach

Answer 241

b) take off

Question 242

242) How does an IRS calculate velocity?
a) Integration of accelerometers
b) Double integration of accelerometers
c) Differential of laser gyro

Answer 242

a) Integration of accelerometers

Question 243

243) What is the arc of a landing light?
a) 11 degrees
b) 15 degrees
c) 20 degrees

Answer 243

a) 11 degrees

Question 244

244) In an auto pilot what controls pitch mode?
a) Glideslope
b) VOR
c) Localiser

Answer 244

a) Glideslope

Question 245

245) Glideslope controls auto pilot in
a) pitch
b) yaw
c) roll

Answer 245

a) pitch

Question 246

246) Static dischargers help eliminate radio interference by dissipating static electricity into the atmosphere at
a) low current levels
b) high voltage levels
c) all voltage levels

Answer 246

a) low current levels

Question 247

247) Electrical load on aircraft is controlled by
a) a GCU
b) a BPCU
c) an IRS

Answer 247

b) a BPCU

Question 248

248) When a rad.alt. Reaches 2500ft what happens to the display?
a) rad.alt. out of view
b) rad.alt. flag in view
c) error warning in view

Answer 248

a) rad.alt. out of view

Question 249

249) A radome is protected from static electricity build-up by
a) Bonding strips
b) Special conductive grease
c) Conductive paint

Answer 249

c) Conductive paint

Question 250

250) An aspect ratio of 8 would mean
a) span 64, mean chord 8
b) mean chord 64, span 8
c) span squared 64, chord 8

Answer 250

a) span 64, mean chord 8

Question 251

251) Which of the following statements is correct, in relation to PLI washers used in critical bolted joints?
a) PLI washers can be used more than once, providing they are used in critical bolted joints
b) PLI washers can be affected by thread or nut friction or by lubrication
c) PLI washers can only be used with self locking nuts and the washers should be used once

Answer 251

c) PLI washers can only be used with self locking nuts and the washers should be used once

Question 252

252) Precise points are located on an aircraft by a system of
a) frame stations, water lines and buttock lines
b) frames stations, vertical lines and lateral lines
c) longitudinal, vertical and lateral lines

Answer 252

a) frame stations, water lines and buttock lines

Question 253

253) Windscreen delamination is
a) windscreen peeling away from the airframe
b) bubbling of glass due to overheat
c) separation of the glass from the vinyl layer

Answer 253

c) separation of the glass from the vinyl layer

Question 254

254) What is the ideal storage temperature for windscreen panels?
a) 50 degrees F to 70 degrees F
b) 30 degrees C to 50 degrees C
c) 50 degrees C to 70 degrees C

Answer 254

a) 50 degrees F to 70 degrees F

Question 255

255) What is the maximum temperature of warm water, which is used to clean dirty aircraft acrylic panels?
a) 104 degrees F
b) 40 degrees F
c) 125 degrees F

Answer 255

a) 104 degrees F

Question 256

256) Pitot tubes are heated
a) electrically
b) by compressed bleed air
c) by kinetic heating

Answer 256

b) by compressed bleed air

Question 257

257) Accumulators as fitted to aircraft hydraulic systems
a) provide additional fluid if leaks occur
b) are only ever used in an emergency
c) store fluid under pressure

Answer 257

c) store fluid under pressure

Question 258

258) A Skydrol hydraulic fluid seal would be made of
a) Butyl rubber, ethylene propylene or Teflon
b) natural rubber
c) synthetic rubber

Answer 258

a) Butyl rubber, ethylene propylene or Teflon

Question 259

259) Synthetic hydraulic fluid subjected to overheating is high in
a) acidity
b) alkalinity
c) viscosity

Answer 259

a) acidity

Question 260

260) The advantage of leading edge fluid de-icing is
a) aerodynamic shape is not disturbed
b) more efficient
c) less of a fire hazard

Answer 260

a) aerodynamic shape is not disturbed

Question 261

261) The type of fluid used in an oleo strut will depend upon
a) type of fluid most readily available
b) the type of seal material
c) heat generated in operation of the system

Answer 261

c) heat generated in operation of the system

Question 262

262) A restrictor valve
a) may be used to slow down undercarriage extension
b) restrict the extent of travel of the undercarriage
c) speed up the flow in one direction

Answer 262

a) may be used to slow down undercarriage extension

Question 263

263) The function of the oil in a shock absorber is to
a) damp the rebound
b) absorb the landing shock
c) ensure the separator does not bottom

Answer 263

b) absorb the landing shock

Question 264

264) The purpose of the flutter plate in a shock absorber is to
a) separate the oil from the air
b) restrict the compression of the air
c) permit free flow during compression and restriction of oil during compression

Answer 264

c) permit free flow during compression and restriction of oil during compression

Question 265

265) Oxygen cylinder test dates
a) are painted in white on the cylinder
b) may be stamped on the neck of the cylinder
c) are variable depending on discharge

Answer 265

b) may be stamped on the neck of the cylinder

Question 266

266) Fluorescent tubes are made up of
a) phosphates, rare gases and mercury
b) oxides, rare gases and mercury
c) ionides, rare gases and mercury

Answer 266

a) phosphates, rare gases and mercury

Question 267

267) A 4:1 step-up transformer receives 120VAC in its primary and has 1600 Ohms resistance in its secondary. What is the current drawn?
a) 3A
b) 1.2A
c) 0.3A

Answer 267

b) 1.2A

Question 268

268) What is B-RNAV?
a) Ability to store 6 waypoints
b) Indicates true airspeed
c) Indicates bearing and airspeed until next active waypoint

Answer 268

c) Indicates bearing and airspeed until next active waypoint

Question 269

269) An Automatic Flight Control System receives inputs from the following ground based transmitters
a) DME,ILS,ADF
b) VOR,ILS
c) RA,ADF,ILS

Answer 269

b) VOR,ILS

Question 270

270) After engine start using a Nicad battery, the pilot observes on the battery charger indicator, an initial high current draw followed by a rapid decrease in current
a) there is a problem with the charging circuit and he must shut-down the engines
b) the battery is faulty
c) no cause for concern

Answer 270

c) no cause for concern

Question 271

271) Topping up a Nicad battery in situ
a) is not allowed
b) is only allowed in the shop
c) is permitted

Answer 271

a) is not allowed

Question 272

272) What opposes buckling in a semi-monocoque structure?
a) Frames
b) Stringers
c) Bulkheads

Answer 272

b) Stringers

Question 273

273) The visible angle of a white tail navigation light is
a) 11 degrees
b) 110 degrees
c) 140 degrees

Answer 273

c) 140 degrees

Question 274

274) What is the wavelength of C band radar?
a) 3cm
b) 4m
c) 7cm

Answer 274

c) 7cm

Question 275

275) O2 system pressure has leaked away after charging. What is the most probable cause?
a) Supernumarator regular
b) Temperature compensator
c) Breathing regulator

Answer 275

c) Breathing regulator

Question 276

276) Made up wheels should be stored
a) vertical at 20/30 PSI charge
b) horizontal no more than 4 high
c) vertical at working pressure

Answer 276

a) vertical at 20/30 PSI charge

Question 277

277) High pressure pneumatic source is a
a) reciprocating pump
b) centrifugal compressor
c) butterfly pump

Answer 277

a) reciprocating pump

Question 278

278) High pressure pneumatic pump is a
a) spur gear
b) butterfly pump
c) reciprocating pump

Answer 278

c) reciprocating pump

Question 279

279) Before an aircraft reaches critical mach
a) the nose pitches up because the CP moves forward
b) the nose pitches down because the CP moves rear
c) the aircraft buffets because the CP moves to the shock wave

Answer 279

b) the nose pitches down because the CP moves rear

Question 280

280) A cantilever wing is
a) top wing of a biplane
b) normal airliner wing
c) swept back wing

Answer 280

b) normal airliner wing

Question 281

281) A horn balance control will
a) increase degree of movement at high speed
b) decrease degree of movement at low speed
c) decrease degree of movement at high speed

Answer 281

a) increase degree of movement at high speed

Question 282

282) The suction gauge reads 5 inches of mercury. This is
a) above ambient pressure
b) below ambient pressure
c) above zero pressure

Answer 282

c) above zero pressure

Question 283

283) In normal flight if the control column is pulled back, a servo tab fitted to the elevator will
a) move up
b) move down
c) remain in line with the elevator

Answer 283

b) move down

Question 284

284) In normal flight, if the control wheel is moved to the left, then the aileron on the right wing will
a) increase the angle of attack of the right hand wing
b) decrease the angle of attack of the right hand wing
c) keep the angle of attack of the right wing constant

Answer 284

a) increase the angle of attack of the right hand wing

Question 285

285) On an aircraft fitted with elevons in normal flight, if a control column is moved forward, the elevons will
a) remain stationary
b) both move up
c) both move down

Answer 285

c) both move down

Question 286

286) Extended a leading edge slat will have what effect on the angle of attack of a wing?
a) increase the angle of attack
b) decrease the angle of attack
c) no effect on the angle of attack

Answer 286

b) decrease the angle of attack

Question 287

287) To ensure that a wing stalls at the root first, stall wedges are
a) installed on the wing leading edge at the wing tip
b) installed on the wing leading edge at the wing root
c) installed at the wing trailing edge at the wing root

Answer 287

b) installed on the wing leading edge at the wing root

Question 288

288) On a standard day at which altitude will the speed of sound be the greatest?
a) sea level
b) 10,000 ft
c) 20,000 ft

Answer 288

a) sea level

Question 289

289) Which of the following will increase the Critical Mach Number of an airfoil?
a) using a thin airfoil and sweeping the wings back
b) increasing the aspect ratio of the wings
c) decreasing the fineness ratio of the wings

Answer 289

a) using a thin airfoil and sweeping the wings back

Question 290

290) As an aircraft accelerates through the transonic region the centre of pressure tends to
a) move forward
b) move rearward
c) turn into a shock wave

Answer 290

b) move rearward

Question 291

291) Which of the following is an example of a fail safe structure?
a) Spar
b) Stringer
c) Longeron

Answer 291

a) Spar

Question 292

292) Damage tolerant design
a) allows for certain damage to the structure to go un-repaired between scheduled maintenance
b) allows for damage to structure by distributing loads to other structure
c) is applied only to secondary structure

Answer 292

a) allows for certain damage to the structure to go un-repaired between scheduled maintenance

Question 293

293) What is primary radar?
a) Land based
b) Radar that sends out pulse and receives reflected pulse
c) Radar that gives height and position

Answer 293

b) Radar that sends out pulse and receives reflected pulse

Question 294

294) Lead acid battery after numerous checks one cell has low reading.
a) It is defective
b) It must be replaced
c) It needs topping up

Answer 294

b) It must be replaced

Question 295

295) What is ILS marker beacon frequency?
a) 50 MHz
b) 75 MHz
c) 100 MHz

Answer 295

b) 75 MHz

Question 296

296) TCAS is selected
a) automatically
b) by a switch on by pilot on selector panel
c) not available in cruise

Answer 296

b) by a switch on by pilot on selector panel

Question 297

297) The minimum passenger aisle width for an aircraft with a seating capacity of 20 or more is
a) 15 inches
b) 24 inches
c) dependant on aircraft type

Answer 297

a) 15 inches

Question 298

298) A short range passenger aircraft has a complete electrical failure. What time duration would the battery be expected to power essential equipment?
a) forever
b) 30 minutes
c) 60 minutes

Answer 298

b) 30 minutes

Question 299

299) An external power plug has two short pins, these are used for
a) the interlock circuit
b) ground handling bus
c) a guide for correct alignment of the plug in the socket

Answer 299

a) the interlock circuit

Question 300

300) What are the primary colours for use in CRT displays?
a) Yellow, cyan, magenta
b) Red, blue, yellow
c) Red, blue, green

Answer 300

c) Red, blue, green

Question 301

301) Wing navigation lights must be visible from which angle?
a) 110 degrees
b) 180 degrees
c) 125 degrees

Answer 301

a) 110 degrees

Question 302

302) The purpose of a synchronising bus bar is
a) to allow monitoring and trimming from the flight deck
b) to monitor total current load
c) to enable two propeller systems to be synchronised

Answer 302

a) to allow monitoring and trimming from the flight deck

Question 303

303) The manual VOR input is for
a) RMI
b) Course deviation bar
c) Glideslope

Answer 303

b) Course deviation bar

Question 304

304) In an aircraft where the auto pilot is controlling a turn
a) 1 aileron is up, 1 aileron down for the duration of the turn
b) both ailerons down for the duration of the turn
c) 1 aileron up, 1 aileron down to set the bank angle and then ailerons back to neutral

Answer 304

c) 1 aileron up, 1 aileron down to set the bank angle and then ailerons back to neutral

Question 305

305) In the ATA 100 zonal system the passenger entry door will have a designation of
a) 400
b) 600
c) 800

Answer 305

c) 800

Question 306

306) Which area of the aircraft is subjected to hoop stress?
a) Wings
b) Pressure cabin
c) Control surfaces

Answer 306

b) Pressure cabin

Question 307

307) In a monocoque structure, which component carries the majority of the loads?
a) Longerons
b) Stringers
c) Skin

Answer 307

c) Skin

Question 308

308) Which anti corrosive treatment is found on alloy steels?
a) Cadmium plating
b) Zinc plating
c) Nickel plating

Answer 308

a) Cadmium plating

Question 309

309) What material can be chromated as a protection against corrosion?
a) Aluminium alloys
b) Magnesium alloys
c) Ferrous alloys

Answer 309

b) Magnesium alloys

Question 310

310) When carrying out a symmetry check on a large aircraft what method of measurement is normally used?
a) Steel tape and spring balance
b) Longitudinal alignment method
c) Lateral alignment method

Answer 310

a) Steel tape and spring balance

Question 311

311) How are passenger door pressure loads transmitted to the fuselage?
a) By door stops
b) By the pressure seal
c) Through a latching mechanism

Answer 311

a) By door stops

Question 312

312) Passenger cabin windows are constructed with two panes and a seal between them. Under normal conditions which pane(s) take the differential pressure loads?
a) Both
b) Inner
c) Outer

Answer 312

c) Outer

Question 313

313) How are passenger seats secured to the floor?
a) By the back legs while the front attachment provides anti rattle
b) By the front legs while the back attachment provides anti rattle
c) By both front and back legs

Answer 313

a) By the back legs while the front attachment provides anti rattle

Question 314

314) On a monospar wing, what gives the wing it’s contour?
a) The position of the spars
b) Milled stringers
c) Ribs

Answer 314

c) Ribs

Question 315

315) A normal hydraulic system will
a) show pressure and source of hydraulics
b) show fluid temperature and quantity
c) illuminate a light in the cockpit when the system is ready

Answer 315

a) show pressure and source of hydraulics

Question 316

316) A fire detection zone wiring can pass through another fire zone when
a) the system and the extinguishing system are the same
b) the system is the same but the extinguishant is different
c) the system is different but the extinguishant is the same

Answer 316

a) the system and the extinguishing system are the same

Question 317

317) On touch down of the aircraft
a) the cabin pressure will be zero
b) the outflow valve will be shut
c) the outflow valve will be fully open

Answer 317

c) the outflow valve will be fully open

Question 318

318) A galley trolley will be designed to
a) not exceed the floor loading limits
b) not exceed the floor limits more than 3 times in one hour
c) does not matter as the trolleys move

Answer 318

a) not exceed the floor loading limits

Question 319

319) Cockpit dome lighting is provided by the
a) battery bus
b) battery bus and ground services bus
c) ground services bus

Answer 319

b) battery bus and ground services bus

Question 320

320) When a fire test on a Systron Donor fire detection system test is carried out
a) a signal passes through the unbroken centre conductor to produce the warning
b) the signal passes through the centre and back through the outer to give the warning
c) it checks the integrity of the contacts

Answer 320

c) it checks the integrity of the contacts

Question 321

321) A material commonly used for pressure bulkhead sealing is
a) soft rubber
b) aluminium
c) PTFE

Answer 321

a) soft rubber

Question 322

322) The velocity of air from the cabin ventilation system should not exceed
a) 20 feet per second
b) 40 feet per second
c) 120 feet per second

Answer 322

c) 120 feet per second

Question 323

323) To avoid moments bending the root of the wing, the aircraft will be fitted with
a) symmetrical flight control trim
b) integrated fuel monitoring system
c) automatic trim control for controlled turns and rudder movements

Answer 323

a) symmetrical flight control trim

Question 324

324) After MLG down and securely locked a red light is illuminated in the flight deck. The possible causes are?
a) shorted sensor
b) out of adjustment sensor
c) wiring problem

Answer 324

b) out of adjustment sensor

Question 325

325) A wing’s leading edge would have provisions and linkages for slats and
a) slots
b) leading edge flaps
c) trailing edge flaps

Answer 325

b) leading edge flaps

Question 326

326) A yaw damper gain could be fitted with
a) increased sensitivity for increased speed
b) decreased sensitivity for decreased speed
c) decreased sensitivity for increased speed

Answer 326

a) increased sensitivity for increased speed

Question 327

327) To confirm the state of charge of a nicad battery
a) subject each battery to load and check voltage
b) measure the discharge time
c) subject the battery to load, check voltage and check the SG of each cell

Answer 327

b) measure the discharge time

Question 328

328) Circulating currents are associated with
a) AC generators in parallel
b) DC generators in parallel
c) AC and DC generators in parallel

Answer 328

a) AC generators in parallel

Question 329

329) In an aircraft system employing balance tabs, the installation of external ground locks between the control surface and the balance tabs
a) is unnecessary since the system is irreversible
b) would prevent the movement of the control column
c) would not prevent the movement of the control column

Answer 329

b) would prevent the movement of the control column

Question 330

330) Supersonic air going though an incipient shock wave will decrease its speed and
a) decrease temperature and increase density
b) increase temperature and decrease density
c) increase temperature and increase density

Answer 330

c) increase temperature and increase density

Question 331

331) Generator brush bedding
a) should not be done on the aircraft
b) should only be done if 50% of the width and 80% of the length is already being done
c) can be done on the aircraft

Answer 331

a) should not be done on the aircraft

Question 332

332) when loading a cargo aircraft
a) the manufacturer specifies the maximum floor loads
b) the C of G limits of the aircraft could be exceeded under careful monitored circumstances
c) the weight limits of the aircraft could be exceeded under careful monitored circumstances

Answer 332

a) the manufacturer specifies the maximum floor loads

Question 333

333) What is the amperage at the shunt of the generator to the nearest amp?
a) 100 Amps
b) 102 Amps
c) 105 Amps

Answer 333

b) 102 Amps

Question 334

334) The two switches for pitch trim are located
a) on the central column with the Captain having priority over the First Officer
b) on the central column acting like an ‘AND’ switch
c) on the central column acting like an ‘OR’ switch

Answer 334

b) on the central column acting like an ‘AND’ switch

Question 335

335) The mach trim is initiated by
a) the auto pilot motor
b) an electric motor
c) a PCU

Answer 335

a) the auto pilot motor

Question 336

336) When checking for alignment of a MLG, check
a) symmetry, tracking, camber
b) symmetry, splay, tracking
c) symmetry, twist, tracking

Answer 336

a) symmetry, tracking, camber

Question 337

337) If the flaps are sluggish or erratic on final approach, the possible cause may be
a) flap tracks out of rigging
b) flap motor internal leakage
c) bearing seized

Answer 337

b) flap motor internal leakage

Question 338

338) Alpha vane signal could be fed to —-?—–,—–?—– when close to stall.
a) thrust levers
b) fast/slow switch
c) flap position

Answer 338

c) flap position

Question 339

339) If an O2 system is leaking, where would you find the cause?
a) Thermal Relief Valve
b) Loose connection
c) Breathing mask

Answer 339

b) Loose connection

Question 340

340) Pitot tubes are heated by
a) AC
b) DC
c) AC or DC

Answer 340

c) AC or DC

Question 341

341) Shear stress is described as
a) compressing forces
b) pulling forces
c) slip away under the acting of forces

Answer 341

c) slip away under the acting of forces

Question 342

342) The ground cable must be
a) copper stranded 0.5 mm cross sectional area
b) single strand copper wire 0.5 mm cross sectional area
c) single strand 18 AWG

Answer 342

b) single strand copper wire 0.5 mm cross sectional area

Question 343

343) What is the colour of the middle marker?
a) White
b) Blue
c) Amber

Answer 343

c) Amber

Question 344

344) On large transport aircraft, the windshield wiper system is
a) independent on each side with different power sources
b) independent on each side but with the same power source
c) one system for both sides but with the same power source

Answer 344

a) independent on each side with different power sources

Question 345

345) Where on the aircraft is FS245, RWS45?
a) 245 inches from the nose of the aircraft and 45 inches from the centreline of the right wing
b) 245 inches from the nose of the aircraft and 45 inches from the tip of the right wing
c) 245 inches from the datum line of the aircraft and 45 inches from the centreline of the right wing

Answer 345

c) 245 inches from the datum line of the aircraft and 45 inches from the centreline of the right wing

Question 346

346) When performing maintenance operations on an aircraft equipped with RVSM system, and a quick release disconnect connection is disturbed
a) a full test of the system should be carried out
b) a full test of the system should be carried out only if the manufacturer recommends to do so
c) the allowances for the system should be halved

Answer 346

b) a full test of the system should be carried out only if the manufacturer recommends to do so

Question 347

347) For aircraft certified after 1997 and with RVSM, the maximum tolerance for the system would be
a) +/- 200 feet +/- 50 feet for instrument error
b) +/- 500 feet for the system overall
c) +/- 300 feet plus +/- 50 feet for instrument errors

Answer 347

a) +/- 200 feet +/- 50 feet for instrument error

Question 348

348) A GPS system is formed from
a) space, control, user
b) satellites, processing unit, display unit
c) receiver, processing unit, interactive console

Answer 348

a) space, control, user

Question 349

349) For aircraft with dual ACMS, when only one ACMS is available, it
a) must be connected to the left side
b) must be connected to the right side
c) can be connected to either side

Answer 349

a) must be connected to the left side

Question 350

350) These markings are found on a tyre – 32 x 10,45 – R14. What does the number 32 mean?
a) Inner diameter
b) Outer diameter
c) Width

Answer 350

b) Outer diameter

Question 351

351) With reference to differential aileron control
a) drag increases on the inner wing
b) drag decreases on the outer wing
c) drag increases on the outer wing

Answer 351

a) drag increases on the inner wing

Question 352

352) H S I provides information on
a) VOR, ILS, plan, attitude
b) VOR, plan, map, ILS, radar
c) VOR, ILS, map, radar, attitude

Answer 352

b) VOR, plan, map, ILS, radar

Question 353

353) Laser gyros are
a) aligned to the aircraft structure
b) aligned to the magnetic north
c) aligned to the true north

Answer 353

a) aligned to the aircraft structure

Question 354

354) Laser gyros
a) have rotational parts
b) do not have rotational parts
c) have moveable parts

Answer 354

b) do not have rotational parts

Question 355

355) The sensing element of the flux valve
a) aligns itself to the new heading of the aircraft after it has stabilised
b) aligns itself to the new heading as the aircraft turns
c) remains in the same position attached to the aircraft structure

Answer 355

c) remains in the same position attached to the aircraft structure

Question 356

356) As the cabin altitude reaches 3042 metres
a) the O2 masks deploy automatically and hang half way extended
b) the O2 masks deploy automatically and the FD crew must activate the system from the cockpit
c) the O2 masks deploy automatically and the FA crew activates the system from the emergency panel

Answer 356

a) the O2 masks deploy automatically and hang half way extended

Question 357

357) Paint remover substances
a) are damaging to some aircraft parts
b) are not damaging for aircraft parts
c) should only be used once

Answer 357

a) are damaging to some aircraft parts

Question 358

358) How is the radome protected from lightening strikes?
a) Diverter strips
b) Special paint
c) Special grease on the hinges

Answer 358

a) Diverter strips

Question 359

359) Galley equipment which does not need electrical power is called
a) minimum equipment
b) controlled equipment
c) uncontrolled equipment

Answer 359

c) uncontrolled equipment

Question 360

360) Galley trolleys must have placards indicating
a) location, position, flight number
b) maximum weight, position, flight number
c) must be stowed for take-off, landing and turbulence

Answer 360

c) must be stowed for take-off, landing and turbulence

Question 361

361) When inspecting Lavatory installations
a) “No Smoking” sign should be fitted next to the ashtrays
b) the ashtray should not be located close to the toilet paper holder
c) the ashtray must be made of a thermoplastic material

Answer 361

b) the ashtray should not be located close to the toilet paper holder

Question 362

362) Lavatories must have in the disposal container
a) water/glycol extinguisher with white ball markings indicating when discharged
b) Freon extinguisher with white ball markings indicating when discharged
c) Freon extinguisher with black ball markings indicating when discharged

Answer 362

b) Freon extinguisher with white ball markings indicating when discharged

Question 363

363) Fire detection loop as must be capable of
a) detecting fire/overheat condition within 5 seconds and extinguishing such that after 30 seconds the condition is no longer present
b) using master warning visual and aural signals
c) using master warning visual signals only

Answer 363

b) using master warning visual and aural signals

Question 364

364) Paralleling is used for
a) AC and DC electrical generators
b) AC electrical generators only
c) DC electrical generators only

Answer 364

a) AC and DC electrical generators

Question 365

365) When testing emergency slide bottles
a) all three pins must be shorted together and grounded to the cartridge body
b) one pin must be grounded to the cartridge body at one time
c) any pin could be checked by connecting directly to ground

Answer 365

a) all three pins must be shorted together and grounded to the cartridge body

Question 366

366) Battery charging procedures can be found in ATA
a) Chapter 24 Section 21
b) Chapter 24 Section 31
c) Chapter 31 Section 21

Answer 366

b) Chapter 24 Section 31

Question 367

367) In a carbon pile regulator the resistive element is
a) in series with the field and changes resistance with changing length
b) in series with the field and changes resistance with surface area contact
c) in parallel with the field and changes resistance with changing length

Answer 367

b) in series with the field and changes resistance with surface area contact

Question 368

368) In fully Fly By Wire aircraft, wing root bending moments are reduced by
a) transfer of fuel from one wing tank to another
b) symmetrical application of aileron
c) operation of elevator

Answer 368

b) symmetrical application of aileron

Question 369

369) A green/grey dot marking on aircraft tyre casing represents
a) breather points
b) the light part of the tyre
c) military reference

Answer 369

a) breather points

Question 370

370) In detachable flange type wheels, the flange is secured by
a) bolts
b) a lock ring
c) a retainer plate

Answer 370

b) a lock ring

Question 371

371) Bladder type fuel tanks are secured by
a) press type rivets
b) contact adhesive
c) bolts

Answer 371

a) press type rivets

Question 372

372) fuse plugs in aircraft tyres are
a) for overpressure protection
b) for over temperature protection
c) to deflate the tyre before removal

Answer 372

b) for over temperature protection

Question 373

373) A breaker strip in an aircraft tyre is
a) to provide strength
b) to provide a wear indication
c) to indicate the position for the tyre levers

Answer 373

a) to provide strength

Question 374

374) Oxygen cylinders are normally fitted with
a) pressure and quantity gauge
b) oxygen purity gauge
c) temperature gauge

Answer 374

a) pressure and quantity gauge

Question 375

375) To remove a rivet
a) chisel off the head, and remove the shank with a metal punch
b) Drill the head with a drill bit the same size as the rivet shank, chisel off the rivet head and remove the shank with a metal punch
c) Drill the head with a drill bit slightly smaller than the rivet shank, chisel off the rivet head and remove the shank with a metal punch

Answer 375

b) Drill the head with a drill bit the same size as the rivet shank, chisel off the rivet head and remove the shank with a metal punch

Question 376

376) When acrylic and sheet metal is joined together, allowance should be made for
a) expansion of the acrylic due to heat
b) expansion of the metal due to heat
c) galvanic corrosion of the metal

Answer 376

a) expansion of the acrylic due to heat

Question 377

377) Most aircraft skins are made of
a) 2024
b) 7075
c) 2017

Answer 377

a) 2024

Question 378

378) Dutch roll is movement in
a) yaw and roll
b) pitch and roll
c) yaw and pitch

Answer 378

a) yaw and roll

Question 379

379) A zero fuel test on a fuel quantity indicating system is carried out by
a) tanks completely empty
b) tanks completely full
c) tanks empty with unusable fuel amount

Answer 379

c) tanks empty with unusable fuel amount

Question 380

380) A radio coupled approach is
a) localiser first, followed by glideslope
b) glideslope first, followed by localiser
c) in any order

Answer 380

a) localiser first, followed by glideslope

Question 381

381) Aileron signal is fed to rudder channel
a) for turn coordination
b) for yaw damping compensation
c) for turn command back-up

Answer 381

a) for turn coordination

Question 382

382) Yaw damping rate changes with
a) airspeed
b) altitude
c) flap position

Answer 382

a) airspeed

Question 383

383) After a tank bag has been replaced, a fuel flow test should be carried out at
a) engine inlet
b) tank outlet
c) tank shut-off valve point

Answer 383

a) engine inlet

Question 384

384) In biologically contaminated fuel, corrosion takes place
a) below the fungal colonies
b) the bottom 2 inches of the tank
c) the top of the tank

Answer 384

a) below the fungal colonies

Question 385

385) In a compass swing: North error –2 degrees, South error –2 degrees. The coefficient of C is
a) 0 degrees
b) +2 degrees
c) –2 degrees

Answer 385

a) 0 degrees

Question 386

386) If fluid leaks along with air whilst oleo charging, this is
a) caused by a leaky seal
b) normal
c) due to excessive charging pressure

Answer 386

a) caused by a leaky seal

Question 387

387) A demand regulator in a portable oxygen bottle opens
a) when 100% selected
b) when breathing
c) all the time

Answer 387

b) when breathing

Question 388

388) Portable oxygen bottles are fitted with
a) a demand regulator
b) an over temperature indicator
c) an overpressure indicator

Answer 388

a) a demand regulator

Question 389

389) American made crew oxygen cylinders are
a) green in colour with a RH thread
b) green in colour with a LH thread
c) black in colour with a RH thread

Answer 389

a) green in colour with a RH thread

Question 390

390) The rate of G/S warning in GPWS
a) changes with radio altitude
b) changes with barometric altitude
c) does not change

Answer 390

a) changes with radio altitude

Question 391

391) If you short the two prongs with the single prong of a bonding tester together, what would the gauge read?
a) 0
b) full scale deflection
c) centre scale

Answer 391

a) 0

Question 392

392) What is the main purpose of a frize aileron?
a) Help pilot overcome aerodynamic loads
b) Increase drag on the up going wing
c) Decrease drag on the up going wing

Answer 392

c) Decrease drag on the up going wing

Question 393

393) What frequency are VOR and ILS?
a) VHF
b) UHF
c) HF

Answer 393

a) VHF

Question 394

394) On an aircraft employing a heater system on the air conditioning system, after an overheat how is the heater reset?
a) On ground only by engineer
b) After it cools the pilot resets
c) After cooling below 300 degrees C it auto resets

Answer 394

b) After it cools the pilot resets

Question 395

395) Constant pressure hydraulic system uses what to relieve pressure in system when no services are being used?
a) Pressure relief valve
b) ACOV
c) Return line back to pump

Answer 395

b) ACOV

Question 396

396) If the pneumatic water drain trap is left open for a long time it will drain
a) all the system
b) between the compressor and the PRV
c) just the moisture trap

Answer 396

b) between the compressor and the PRV

Question 397

397) Which connector has a left hand thread?
a) O2
b) N2
c) Freon

Answer 397

a) O2

Question 398

398) When aligning an aircraft for a compass swing, the maximum allowable error is
a) 1 degree
b) 3 degrees
c) 5 degrees

Answer 398

c) 5 degrees

Question 399

399) What happens to a hydraulically operated flight control surface when pressure is removed?
a) Unpressurised
b) Goes to neutral
c) Droops

Answer 399

c) Droops

Question 400

400) Oscillation and hunting of flight control surface are prevented by
a) Tachogenerator
b) Feedback from control surface
c) Feedback from servo motor

Answer 400

a) Tachogenerator

Question 401

401) Stick shaker activates at a speed which is above the stalling speed by
a) 4%
b) 7%
c) 10.321%

Answer 401

b) 7%

Question 402

402) The pitot head is fitted on the aircraft. The alignment of the pitot head is carried out with
a) an inclinometer
b) micrometer
c) spirit level

Answer 402

a) an inclinometer

Question 403

403) A red dot/triangle on an aircraft tyre means
a) breather points
b) the light part of the tyre
c) military reference

Answer 403

b) the light part of the tyre

Question 404

404) Maximum battery temperature on charging before protection circuit starts is
a) 71 degrees F
b) 144 degrees F
c) 144 degrees C

Answer 404

b) 144 degrees F

Question 405

405) If an aircraft has no battery charger the battery is charged by
a) constant voltage
b) constant current
c) constant current until a predetermined limit when it automatically switches to constant voltage

Answer 405

a) constant voltage

Question 406

406) Battery charging procedures can be found in ATA
a) Chapter 24 Section 21
b) Chapter 24 Section 31
c) Chapter 31 Section 21

Answer 406

b) Chapter 24 Section 31

Question 407

407) In a carbon pile regulator the resistive element is
a) in series with the field and changes resistance with changing length
b) in series with the field and changes resistance with surface area contact
c) in parallel with the field and changes resistance with changing length

Answer 407

b) in series with the field and changes resistance with surface area contact

Question 408

408) The output of a carbon pile regulator with no variation of loading is
a) stationary
b) fluctuating
c) pulse width modulating

Answer 408

a) stationary

Question 409

409) In a transistor voltage regulator the voltage output is controlled by
a) transformers and transistors
b) diodes and transformers
c) zeners and transistors

Answer 409

No answer

Question 410

410) Paralleled relay for DC system is energised and connected by
a) voltage coil
b) current coil
c) voltage and current coil

Answer 410

c) voltage and current coil

Question 411

411) Increasing the real load primarily
a) decreases frequency
b) decreases output voltage
c) increases output voltage and increases frequency

Answer 411

a) decreases frequency

Question 412

412) Inductive reactive load causes
a) no effect on torque but produces extra heat dissipated
b) increase in torque and increase in heat dissipated
c) increase in torque only

Answer 412

b) increase in torque and increase in heat dissipated

Question 413

413) The power factor of an AC generator identifies the proportion of
a) apparent power from the generator that does work
b) reactive power from the generator that does work
c) real power from the generator that does work

Answer 413

c) real power from the generator that does work

Question 414

414) The control of hydraulically powered emergency electrical generator frequency is by
a) angle of swash plate
b) IDG
c) Restriction valve

Answer 414

a) angle of swash plate

Question 415

415) Differential protection in an AC system protects against
a) A reverse current flowing from the battery
b) Short circuits
c) Line-line, line-line-line, line-earth faults

Answer 415

b) Short circuits

Question 416

416) When resetting the CSD on the ground, the engine should be
a) stationary
b) rotating at idle
c) rotating at Nsync

Answer 416

a) stationary

Question 417

417) One of the main purposes of a CSD is to
a) enable generators to be paralleled
b) prevent engine overload
c) maintain constant load on the generator

Answer 417

a) enable generators to be paralleled

Question 418

418) In an undervolt condition in an AC generator system, the most likely consequence is
a) activation of the time delay circuit
b) de-activation of the field regulatory TR’s
c) energises the bus tie relay

Answer 418

a) activation of the time delay circuit

Question 419

419) If voltage and frequency of the generator drop to zero in flight, it would be an indication that the
a) CSD drive shaft had sheared
b) Phase sequence detection circuit has operated
c) Bus tie interlock is inoperative

Answer 419

a) CSD drive shaft had sheared

Question 420

420) Assuming all systems are operating normally, as an aircraft electrical load increases, generator output voltage will
a) decrease and amperage output increase
b) increase and amperage output increase
c) remain constant and amperage output increases

Answer 420

c) remain constant and amperage output increases

Question 421

421) Battery trays are
a) metal for earthing purposes
b) metal with PVC coating and anti corrosive paint
c) absorbent to soak up electrolyte

Answer 421

b) metal with PVC coating and anti corrosive paint

Question 422

422) When installing multiple batteries on aircraft they are connected in
a) parallel
b) series
c) either parallel or series and switched between as an option

Answer 422

c) either parallel or series and switched between as an option

Question 423

423) What is the small pin on the DC ground power connector?
a) Ground to earth
b) Positive to battery relay
c) Positive to external power relay

Answer 423

c) Positive to external power relay

Question 424

424) On selection of MLG down, the gear extends then begins to retract again. The cause is
a) a faulty selector valve
b) a faulty actuator
c) gear lowered at too high an airspeed

Answer 424

a) a faulty selector valve

Question 425

425) A radio frequency of 16 MHz would be used for
a) weather radar
b) HF communications
c) Marker beacons

Answer 425

b) HF communications

Question 426

426) A wing mounted stall warning vane
a) moves up at impending stall
b) moves down at impending stall
c) gives a visual indication of impending stall

Answer 426

a) moves up at impending stall

Question 427

427) During an auto pilot controlled turn
a) ailerons and rudder will move
b) ailerons, rudder and elevators will move
c) ailerons, rudder and THS will move

Answer 427

b) ailerons, rudder and elevators will move

Question 428

428) A Systron-Donnor fire detection system uses
a) nitrogen gas
b) helium gas
c) oxygen gas

Answer 428

b) helium gas

Question 429

429) A toilet is fitted with thermal protection
a) to protect against freezing at altitude
b) to protect against the dangers of smoke and fire in the event of an overheat
c) to protect against continuous flushing

Answer 429

b) to protect against the dangers of smoke and fire in the event of an overheat

Question 430

430) On a fully fly-by-wire system, a speedbrake screwjack servomotor is controlled by
a) flight augmentation computer
b) flight control computer
c) flight management and guidance computer

Answer 430

b) flight control computer

Question 431

431) In a fly-by wire aircraft what controls the roll spoilers?
a) Flight control computer
b) Flight augmentation
c) Flight management computer

Answer 431

a) Flight control computer

Question 432

432) If an aircraft has the ability to transfer fuel in flight, provision must be made to
a) shut off fuel before structural damage
b) provide overflow facility to dump fuel
c) stop engine from using tank during transfer

Answer 432

a) shut off fuel before structural damage

Question 433

433) if an aircraft is aerodynamically stable
a) C of P moves back
b) Aircraft becomes too sensitive
c) Aircraft returns to trimmed attitude

Answer 433

c) Aircraft returns to trimmed attitude

Question 434

434) What is the principle of O2 generators?
a) sodium chlorate and iron using a mechanical detonator producing O2 when mixed with air
b) sodium chlorate and iron mixed by an electric detonator
c) sodium chloride and iron mixed by an electric detonator

Answer 434

b) sodium chlorate and iron mixed by an electric detonator

Question 435

435) Prior to securing a leading edge de-icing boot you must
a) remove all paint
b) shave rivet to prevent further abrasion
c) paint the surface

Answer 435

a) remove all paint

Question 436

436) Where would you find information regarding galley equipment?
a) AWN99
b) BCARs
c) ANO

Answer 436

a) AWN99

Question 437

437) A large flap deployment causes
a) increased spanwise flow from root to tip on the wing upper surface
b) reduced spanwise flow from root to tip on the wing upper surface
c) no effect on spanwise flow

Answer 437

a) increased spanwise flow from root to tip on the wing upper surface

Question 438

438) On a fully fly-by-wire system, a speedbrake screwjack servomotor is controlled by
a) flight augmentation computer
b) flight control computer
c) flight management and guidance computer

Answer 438

b) flight control computer

Question 439

439) The primary purpose of sealant used in pressurised aircraft is?
a) to seal the cabin
b) to provide external streamlining
c) to prevent corrosion

Answer 439

c) to prevent corrosion

Question 440

440) What is the purpose of thermal protection on electric toilet motors?
a) Prevent toilet freezing
b) Stop motor running beyond 10 second if timer becomes unserviceable
c) Prevent motor overheating and become fire hazard

Answer 440

c) Prevent motor overheating and become fire hazard

Question 441

441) How is RAT driven?
a) Airstream
b) Compressor
c) Fan

Answer 441

a) Airstream

Question 442

442) How can fire extinguisher be identified as being used?
a) Weighed
b) Check the telltale wire
c) Check the pressure

Answer 442

a) Weighed

Question 443

443) What external warning is there for an APU fire?
a) Red light
b) Aural
c) Both

Answer 443

c) Both

Question 444

444) Which of the following is perspex resistant to?
a) kerosene
b) MEK
c) Acetone

Answer 444

a) kerosene

Question 445

445) What pressure are oxygen cylinders usually pressurised to?
a) 1800 PSI
b) 3000 PSI
c) 300 PSI

Answer 445

a) 1800 PSI

Question 446

446) Ditching control is used to
a) achieve rapid depressurisation
b) maintain cabin pressure at sea level
c) close the outflow valve

Answer 446

c) close the outflow valve

Question 447

447) How often are life jackets inspected?
a) In accordance with the AMM
b) In accordance with the manufacturers specification
c) Every 12 months

Answer 447

b) In accordance with the manufacturers specification

Question 448

448) What kind of gyro is a rate gyro?
a) Displacement
b) Tied down
c) Space

Answer 448

b) Tied down

Question 449

449) Engine fire bottle pressure switches are operated by
a) AC
b) DC
c) AC or DC

Answer 449

b) DC

Question 450

450) Hydraulic systems normally operate at
a) 3000 PSI
b) 300 PSI
c) 1800 PSI

Answer 450

a) 3000 PSI

Question 451

451) When flushing hydraulic systems
a) flush with same hydraulic oil
b) flush with any hydraulic oil
c) flush with methylated sprit

Answer 451

a) flush with same hydraulic oil

Question 452

452) When replenishing a hydraulic system
a) use the same/correct hydraulic fluid
b) use any hydraulic fluid made by the same manufacturer
c) use any hydraulic fluid

Answer 452

a) use the same/correct hydraulic fluid

Question 453

453) When replacing a flexible pipe
a) use two spanners to stop pipe from twisting
b) do a bonding check
c) tighten only hand tight

Answer 453

a) use two spanners to stop pipe from twisting

Question 454

454) How is an aircraft battery rated?
a) Ampere hours
b) Watts
c) Joules

Answer 454

a) Ampere hours

Question 455

455) Mass balance weights are used for
a) counteract flutter on control surfaces
b) balance tabs
c) balance trailing edge of flying control surfaces

Answer 455

a) counteract flutter on control surfaces

Question 456

456) When pressurising the aircraft on the ground for test purposes, internal doors, cupboards etc. must be
a) All closed
b) All open
c) Removed

Answer 456

b) All open

Question 457

457) Fire tests on aircraft internal furnishings must be carried out
a) every two years
b) only when equipment items fail random tests
c) every five years

Answer 457

b) only when equipment items fail random tests

Question 458

458) Portable fire extinguishers are operated by
a) breaking tell tale/tamperproof seal operated by handle
b) one single operation until the fire extinguisher is empty
c) turn upside down and squeeze button/trigger

Answer 458

a) breaking tell tale/tamperproof seal operated by handle

Question 459

459) Upper and lower strobe lights are coloured
a) green
b) red
c) white

Answer 459

b) red

Question 460

460) When fitting a tyre the red dot should be positioned
a) adjacent to the charging valve
b) opposite the charging valve
c) on the other side of the wheel opposite to the charging valve

Answer 460

a) adjacent to the charging valve

Question 461

461) Composite brake units
a) have less weight than normal brake units but fade away at high temperatures
b) have less weight than normal brake units and have increased efficiency at high temperatures
c) weigh the same as normal brake units and fade away at high temperatures

Answer 461

b) have less weight than normal brake units and have increased efficiency at high temperatures

Question 462

462) Cargo bay lights on a modern aircraft are supplied by
a) the battery bus
b) DC handling bus
c) AC handling bus

Answer 462

c) AC handling bus

Question 463

463) A radio altimeter system can be self tested
a) on the ground only
b) in the air only
c) both

Answer 463

c) both

Question 464

464) A modern aircraft CMC uses
a) magnetic fault indicator
b) CRT screen
c) LED display

Answer 464

b) CRT screen

Question 465

465) Ailerons control the aircraft in the
a) longitudinal axis
b) lateral axis
c) directional axis

Answer 465

b) lateral axis

Question 466

466) Oxygen storage cylinders once charged should be
a) turned on and safety wired
b) turned off
c) turned on by crew

Answer 466

a) turned on and safety wired

Question 467

467) In a fuel system with interconnecting vents
a) the expansion space must be 10% of the tank capacity
b) the expansion space must be 2% of the tank capacity
c) an expansion space is not required

Answer 467

b) the expansion space must be 2% of the tank capacity

Question 468

468) In a pressurised aircraft cabin window, the differential pressure is felt
a) on the inner pane
b) on the scratch panel
c) on both panes

Answer 468

a) on the inner pane

Question 469

469) On an aircraft travelling at speeds greater than Mach 1 the boundary layer
a) thicker than if the aircraft were travelling slower than Mach 1
b) Stationary
c) Supersonic

Answer 469

b) Stationary

Question 470

470) At speeds above Mach 1 shockwaves will form above and below the wing
a) at the leading edge
b) at the trailing edge
c) at both leading edge and trailing edge

Answer 470

c) at both leading edge and trailing edge

Question 471

471) A cantilever wing is
a) a swept back wing
b) the upper wing of a biplane
c) a wing without any external struts or bracing

Answer 471

c) a wing without any external struts or bracing

Question 472

472) Prior to conducting a ground pressurisation test, it is necessary to
a) disconnect the emergency pressure relief valve
b) set QFE
c) reset/disable the pressure controller

Answer 472

c) reset/disable the pressure controller

Question 473

473) On a ‘hot rod’ type of ice detector, it is switched on
a) all the time
b) when in the air
c) when selected by the crew

Answer 473

c) when selected by the crew

Question 474

474) Ice formation on wings is due to
a) suspended ice crystals melting on contact with the wing and instantly re-freezing
b) ice crystals forming layers on contact with the wing
c) supercooled water changing state on contact with the wing

Answer 474

c) supercooled water changing state on contact with the wing

Question 475

475) When installing a ‘Hi-lock’ bolt, it is necessary to
a) lubricate the shank and threads
b) lubricate the collar
c) simple fit the bolt as they are pre-lubricated

Answer 475

c) simple fit the bolt as they are pre-lubricated

Question 476

476) The web of an I beam takes mainly what type of load
a) shear
b) tension
c) bending

Answer 476

a) shear

Question 477

477) A condition after which a permanent deformation of a material is caused, is know as
a) bending
b) shear
c) strain

Answer 477

c) strain

Question 478

478) Sealant or levelling compound is installed during structure repair:
a) according to SB instructions
b) according to separate manufacturer’s documentation such as BAC
c) according to AMM and SRM chapter 51

Answer 478

c) according to AMM and SRM chapter 51

Question 479

479) PTV type entertainment equipment
a) is not part of maintenance schedule
b) has no capacity for digital information processing and transmitting
c) is installed with seat electronic unit multiplexing techniques

Answer 479

c) is installed with seat electronic unit multiplexing techniques

Question 480

480) Construction such as horn balance and inset hinge balance installed on control surface assembly
a) is meant to trim CG of control surfaces
b) serves as ‘servo’ system of balance
c) has the same effect of the balance tab

Answer 480

c) has the same effect of the balance tab

Question 481

481) The purpose of the vinyl interlayer in window construction is
a) to increase static strength
b) to improve on brittle behaviour
c) to enable inclusion of heater film

Answer 481

b) to improve on brittle behaviour

Question 482

482) Semi-monocoque construction
a) offers good damage resistance
b) is used only for the fuselage
c) utilises the safe-life design concept

Answer 482

a) offers good damage resistance

Question 483

483) In a typical vapour cycle system, the subcooler
a) is a heat exchanger to superheat the vapour
b) cools the vapour further to prevent slugging
c) delivers extra cooling effect when the aircraft is on the ground

Answer 483

b) cools the vapour further to prevent slugging

Question 484

484) The apparent wander for directional gyros is
a) compensated for by applying a constant torque
b) maximum at the pole
c) dependant on longitude

Answer 484

a) compensated for by applying a constant torque

Question 485

485) Active load control involves
a) varying lift force to control vertical movement of the aircraft
b) limiting the deflection of control surface with airspeed
c) intervention & monitoring the human pilot

Answer 485

a) varying lift force to control vertical movement of the aircraft

Question 486

486) The mid-spar is found in large aircraft to
a) support fitting the engine mount & landing gear mount
b) assist the main spar with operational loads
c) provide redundant design

Answer 486

b) assist the main spar with operational loads

Question 487

487) How do you remove air from hydraulic fluid?
a) Vent to atmosphere
b) Tray
c) Pass through a restriction

Answer 487

b) Tray

Question 488

488) A thermal compensator is used in
a) a hydraulic system
b) an oxygen system
c) a fuel system

Answer 488

b) an oxygen system

Question 489

489) An aircraft lands in autoland. After touch down and thrust reverser deployment what happens to autothrottle?
a) Automatically switches off
b) Stays armed for go around in an emergency
c) Advances throttles

Answer 489

a) Automatically switches off

Question 490

490) How many fire extinguishers are required on an aircraft with 501 passengers?
a) 5
b) 6
c) 7

Answer 490

c) 7

Question 491

491) Pilot’s instinctive cut-out buttons are positioned
a) on right side of control wheel
b) on side of control wheel furthest away from throttles
c) on left side of control wheel

Answer 491

b) on side of control wheel furthest away from throttles

Question 492

492) Active load control uses
a) elevator and stab
b) elevator and aileron
c) aileron and spoiler

Answer 492

c) aileron and spoiler

Question 493

493) The directional Gyro is checked every 15 minutes for
a) toppling
b) drift
c) erection

Answer 493

b) drift

Question 494

494) A pressure control relay in a hydraulic pump is
a) energised to the run position
b) de-energised to start the pump
c) used to prevent anything happening until there is hydraulic pressure

Answer 494

a) energised to the run position

Question 495

495) A cockpit check on the engine firewire system is a
a) calibration check
b) continuity check
c) function check

Answer 495

b) continuity check

Question 496

496) When a vibrating rod ice detector has de-iced, the warning lamp on the flight deck
a) goes out immediately
b) goes out after one more cycle
c) goes out after a set period of time

Answer 496

c) goes out after a set period of time

Question 497

497) De-misting of passenger windows is provided by
a) an electric heating element
b) air from the cabin
c) sealed window

Answer 497

b) air from the cabin

Question 498

498) ILS and VOR operate in which range
a) UHF
b) HF
c) VHF

Answer 498

c) VHF

Question 499

499) An anti-balance tab is used
a) for trimming the aircraft
b) to relieve stick loads
c) to give more feel to the controls

Answer 499

c) to give more feel to the controls

Question 500

500) The fin helps to give
a) directional stability about the longitudinal axis
b) directional stability about the normal axis
c) longitudinal stability about the normal axis

Answer 500

b) directional stability about the normal axis

Question 501

501) A reduction in field strength of a DC shunt motor driving a constant load will result in
a) reduced torque and increased speed
b) increased torque and reduced speed
c) increased torque and speed

Answer 501

c) increased torque and speed

Question 502

502) When charging an oxygen bottle with gaseous oxygen, the oxygen is
a) passed into the bottle as quickly as possible to keep temperature down
b) passed into bottle slowly to keep the temperature at approximately ambient
c) passed into bottle at any rate as this does not affect temperature

Answer 502

b) passed into bottle slowly to keep the temperature at approximately ambient

Question 503

503) The purpose of the auto pilot servo-motor torque setting is to
a) damp the system oscillation
b) protect the servo motor
c) prevent control surface runaway

Answer 503

c) prevent control surface runaway

Question 504

504) Random drift of a gyro is caused by
a) error in roll when aircraft is turning
b) gyro friction and unbalance
c) aircraft turning with an error in roll

Answer 504

b) gyro friction and unbalance

Question 505

505) Structural members are designed to carry
a) side loads
b) end loads
c) side and end loads

Answer 505

c) side and end loads

Question 506

506) Most radio aerials are
a) bonded
b) not bonded
c) insulated from the fuselage

Answer 506

a) bonded

Question 507

507) A bonded waffle doubler, as well as acting as a skin strengthener also acts as a
a) shear tie
b) jury strut
c) tear stopper

Answer 507

c) tear stopper

Question 508

508) Where are the left handed threads found in an oxygen system?
a) Charging connection
b) Shut-off valve
c) Line valve

Answer 508

a) Charging connection

Question 509

509) A restrictor valve can be used
a) to increase the speed of the undercarriage extension
b) to reduce the speed of the undercarriage extension
c) to increase the speed of undercarriage retraction

Answer 509

b) to reduce the speed of the undercarriage extension

Question 510

510) Standby Compass adjusting magnets (Flinders Bars), when do they exert the most amount of influence?
a) When parallel to each other
b) When 45 degrees apart
c) When 90 degrees apart

Answer 510

c) When 90 degrees apart

Question 511

511) In a fully Fly By Wire aircraft, ground spoilers are deployed automatically when the aircraft is on ground and
a) thrust levers are deployed
b) brakes are deployed
c) weight on ground switch is activated

Answer 511

a) thrust levers are deployed

Question 512

512) In a fully Fly By Wire aircraft, rudder trim is nulled by
a) electric flight control unit
b) Flight Augmentation Computers
c) Flight Guidance and management Computer

Answer 512

b) Flight Augmentation Computers

Question 513

513) FMC secondary is selected
a) on the ground by the pilot
b) by calendar date monthly
c) in the air by the pilot

Answer 513

c) in the air by the pilot

Question 514

514) On a high pressure pneumatic system, if the drain plug for oil and water trap is left open for long periods of time, the system would
a) lose all pressure
b) lose pneumatic pressure partially
c) lose pressure from the compressor side only

Answer 514

c) lose pressure from the compressor side only

Question 515

515) What are the faying surfaces of a repair?
a) Edges of repair metal
b) Material under repair
c) Middle of repair

Answer 515

b) Material under repair

Question 516

516) Why is a joggle joint used?
a) So countersunk rivets do not need to be used
b) Smooth contour of surface
c) Added strength

Answer 516

b) Smooth contour of surface

Question 517

517) With the engine static EPR gauge reads just above 1.
a) This is ok
b) Transmitter is unserviceable
c) Gauge requires re-calibration

Answer 517

c) Gauge requires re-calibration

Question 518

518) Aileron input is fed into yaw damper system to
a) prevent nose pitching down
b) prevent adverse yaw in a turn
c) prevent nose pitching up

Answer 518

b) prevent adverse yaw in a turn

Question 519

519) Portable O2 diluter demand valve works when
a) 100% selected
b) less than 500 psi in bottle
c) user breathes in

Answer 519

c) user breathes in

Question 520

520) When the fire handle is operated it
a) cuts off fuel and hydraulics. Generator remains on line to provide electrical power
b) cuts off field current, hydraulics and fuel and operates fire extinguishers
c) operates fire extinguishers

Answer 520

b) cuts off field current, hydraulics and fuel and operates fire extinguishers

Question 521

521) Coefficient A is adjusted
a) 270 degrees
b) 360 degrees
c) any heading

Answer 521

c) any heading

Question 522

522) With an aircraft which has more than one compass system
a) Both are adjusted on each heading
b) Master adjusted, slave adjusted, each having a corrected compass card
c) Master and slave adjusted, correction card for master only

Answer 522

b) Master adjusted, slave adjusted, each having a corrected compass card

Question 523

523) GPWS operating in mode 1 and 2 when close to ground will give
a) amber warning
b) red caption and aural “whoop whoop pull up”
c) red caption and aural “pull up undercarriage, flaps, throttle”

Answer 523

b) red caption and aural “whoop whoop pull up”

Question 524

524) DC electrical cable must be positioned how far away from a compass?
a) So as to give no more than 2 degrees deflection of compass
b) 20 inches
c) 24 inches

Answer 524

a) So as to give no more than 2 degrees deflection of compass

Question 525

525) The components of an ILS are
a) a localizer and glide slope
b) a localizer, a glide slope and the marker beacons
c) a localizer and the marker beacons

Answer 525

b) a localizer, a glide slope and the marker beacons

Question 526

526) In ILS, the glide slope provides
a) lateral steering
b) vertical steering
c) distance checks

Answer 526

b) vertical steering

Question 527

527) If the 90 Hz tone predominates in a localizer receiver, the deviation bar will show
a) the flag
b) fly right
c) fly left

Answer 527

b) fly right

Question 528

528) Autopilot will operate after
a) 1000 ft
b) 750 ft
c) 500 ft

Answer 528

c) 500 ft

Question 529

529) Which pitot probe provides info to the captain’s instruments?
a) Upper
b) Lower
c) Both

Answer 529

a) Upper

Question 530

530) On the AMD, what does amber indicate?
a) Warning
b) Present status
c) Cautionary info

Answer 530

c) Cautionary info

Question 531

531) Which instrument shows Decision Height?
a) HSI
b) ADI
c) ECAM

Answer 531

b) ADI

Question 532

532) Where does the HSI receive GND speed info from?
a) EICAS
b) Pitot static probes
c) INS

Answer 532

c) INS

Question 533

533) What will happen if the master dim and test switch is switched to the on position?
a) All lights will illuminate
b) Dome lights will illuminate
c) Rectangular indicator lights will illuminate

Answer 533

c) Rectangular indicator lights will illuminate

Question 534

534) What is the radio alt track altitude?
a) 500 ft
b) 10000 ft
c) 2500 ft

Answer 534

c) 2500 ft

Question 535

535) A radio coupled autopilot in pitch uses
a) VOR
b) Glide slope
c) ADF

Answer 535

b) Glide slope

Question 536

536) EPR and thrust modes in autothrottle are the only modes that can be selected in
a) take off
b) cruise
c) approach

Answer 536

a) take off

Question 537

537) Inertial Nav unit uses pin programming for
a) Aircraft type
b) Location
c) Magnetic orientation

Answer 537

c) Magnetic orientation

Question 538

538) How can it be verified if FMC update is correct?
a) data plate on FMC
b) BITE
c) FMC via CDU

Answer 538

c) FMC via CDU

Question 539

539) What are the 2 short prongs for on an AC plug?
a) Using AC current to pull on interlock circuit
b) Prevent arcing during plug connection/disconnection
c) Local telephone connection

Answer 539

a) Using AC current to pull on interlock circuit

Question 540

540) A vibration contact voltage regulator consists of a shunt winding and a
a) voltage regulating coil in parallel
b) voltage regulating coil in series
c) current regulating coil in series

Answer 540

c) current regulating coil in series

Question 541

541) A de-icer boot is completely bonded to the leading edge to
a) Prevent electrical static build up
b) Smoother airflow over leading edge
c) More efficient de-icer cycles

Answer 541

a) Prevent electrical static build up

Question 542

542) The weak link on a wire aerial is at
a) the front
b) the middle
c) the rear

Answer 542

c) the rear

Question 543

543) GPWS will show a fault if the following fails:
a) Radio altimeter
b) Pressure altimeter
c) Air speed indicator

Answer 543

a) Radio altimeter

Question 544

544) What is the contamination monitor for in a Systron Donner fire detection system?
a) Integrity comparitor
b) Dirty contacts
c) Volts drop

Answer 544

b) Dirty contacts

Question 545

545) A double headed oxygen pressure regulator is used for
a) extra supply in case of emergency
b) additional flight crew
c) changes in altitude

Answer 545

b) additional flight crew

Question 546

546) Pitch trimming in an autopilot is initiated by
a) C of G movement
b) Continued pitch input
c) Pitch of aircraft in cruise

Answer 546

b) Continued pitch input

Question 547

547) Jet engines are usually mounted by
a) welded steel tubing
b) forged mounts and to aircraft structure
c) aluminium castings

Answer 547

b) forged mounts and to aircraft structure

Question 548

548) In a cockpit window heater system the autotransfomer
a) steps up output for severe weather conditions
b) supplies AC power for heating
c) supplies DC power for heating

Answer 548

a) steps up output for severe weather conditions

Question 549

549) A high speed aircraft with MACH warning will
a) warn the Mcrit is reached
b) warn when Mach 1 has been exceeded
c) warn when coming to limits of upper envelope

Answer 549

a) warn the Mcrit is reached

Question 550

550) A constant delivery pump has its output varied with
a) servo pressure
b) regulators
c) gears

Answer 550

b) regulators

Question 551

551) When power is switched off the gimbal brake
a) stops outer gimbal
b) restricts outer gimbal
c) restricts inner gimbal

Answer 551

b) restricts outer gimbal

Question 552

552) In an air conditioning system heat is added to air by
a) restricting compressor inlet
b) restricting compressor outlet
c) restricting duct outlets

Answer 552

b) restricting compressor outlet

Question 553

553) Two compressors driven by separate engines use
a) NRVs to prevent compressors driving each other
b) PRVs
c) Interconnected to share loads

Answer 553

a) NRVs to prevent compressors driving each other

Question 554

554) Fuel tanks interconnected must have
a) vents to allow overfueling
b) tank where fuel is fed from both tanks to engine inlet
c) protection against overfill for tanks and fuel system

Answer 554

c) protection against overfill for tanks and fuel system

Question 555

555) IRS has mercury switches on
a) inner gimbal
b) outer gimbal
c) all gimbals

Answer 555

c) all gimbals

Question 556

556) ACMs
a) provide ATA tech log reference for all faults
b) provides source of fault
c) supplies CMC with source of fault

Answer 556

c) supplies CMC with source of fault

Question 557

557) After successful ditching, use of life rafts must be
a) displayed clearly on leaflet in pouch in front of seat
b) shown how to be deployed by stewardesses
c) clear instructions given with ease of use on raft

Answer 557

c) clear instructions given with ease of use on raft

Question 558

558) Secondary bonding is usually with
a) stranded copper 0.25 inch
b) single strand 0.25 inch
c) 18 AWG

Answer 558

c) 18 AWG

Question 559

559) What is the purpose of diode in a power GCR?
a) To prevent backflow of current in the EMF coil
b) To speed up the operation
c) To allow flow in the event of failure of the relay

Answer 559

a) To prevent backflow of current in the EMF coil

Question 560

560) Eddy currents are
a) caused by resistance of the coil
b) circulating currents
c) caused by heating effect of the coil

Answer 560

b) circulating currents

Question 561

561) Differential aileron control will
a) cause a nose down moment
b) cause a nose up moment
c) prevent yawing in conjunction with rudder input

Answer 561

c) prevent yawing in conjunction with rudder input

Question 562

562) How many fire extinguishers are required on an aircraft having 401-500 people?
a) 5
b) 6
c) 8

Answer 562

b) 6

Question 563

563) Toilets must have a smoke detection
a) light in cockpit
b) aural and visual warning in the main cabin
c) connected to a pump to pump smoke out

Answer 563

a) light in cockpit

Question 564

564) When an undercarriage is lowered, it tends to creep back up. The fault could be
a) a leaky selector valve
b) a stuck relief valve
c) the emergency system

Answer 564

a) a leaky selector valve

Question 565

565) Escape route lighting must not have more than
a) 10% obscured
b) 15% obscured
c) 20% obscured

Answer 565

c) 20% obscured

Question 566

566) Fireproofing of cabin material should be done
a) every 2 years
b) when a sample fails
c) every 5 years

Answer 566

b) when a sample fails

Question 567

567) How many emergency lights are allowed to be inoperative?
a) None
b) 10%
c) 25%

Answer 567

c) 25%

Question 568

568) The angle of a runway turn off light is
a) 40 degrees
b) 50 degrees
c) 60 degrees

Answer 568

b) 50 degrees

Question 569

569) The small pins in the power connector plug are
a) positive
b) negative
c) neutral

Answer 569

a) positive

Question 570

570) Cabin fluorescent lighting circuits are supplied with
a) 115 V AC
b) 28 V AC
c) 28 V DC

Answer 570

a) 115 V AC

Question 571

571) On a fly-by-wire aircraft, what controls stabilizer trim?
a) SEC
b) ELAC and SEC
c) ELAC

Answer 571

b) ELAC and SEC

Question 572

572) When an overvolt is present on an ac generator system the tripping circuit
a) trips at a set level
b) trips after a time delay
c) trips after a time delay inversely proportional to the overvolt amplitude

Answer 572

c) trips after a time delay inversely proportional to the overvolt amplitude

Question 573

573) In an AC distribution system the purpose of the synchronising bus-bar is to
a) provide interconnection between the generator load busbars
b) supply essential services
c) provide a means of monitoring the load

Answer 573

a) provide interconnection between the generator load busbars

Question 574

574) When a FADEC system loses air data input it goes to
a) soft reversion
b) hard reversion
c) mechanical reversion

Answer 574

a) soft reversion

Question 575

575) Vibrating contact voltage regulator sensing coil is
a) across the generator output
b) in series with the field windings
c) in parallel with the field windings

Answer 575

b) in series with the field windings

Question 576

576) A current transformer connected across the neutral of a 3 phase generator is for
a) differential protection
b) phase sequence monitoring
c) load monitoring

Answer 576

a) differential protection

Question 577

577) Zener diodes are for
a) voltage stabilisation
b) voltage regulation
c) rectification

Answer 577

b) voltage regulation

Question 578

578) Generator output indications are
a) KW
b) KW & KVAR
c) KVA & KW

Answer 578

c) KVA & KW

Question 579

579) A Flight Data Recorder is activated when
a) the helicopter takes off
b) the helicopters engines are started
c) when power is applied to the helicopter

Answer 579

a) the helicopter takes off

Question 580

580) On an EADI the command bars show
a) required flight path compared with horizon
b) required flight path compared to planned flight path
c) required flight path compared with aircraft position

Answer 580

c) required flight path compared with aircraft position

Question 581

581) The air data computer inputs to
a) mach meter, standby altimeter, ASI
b) cabin rate sensors, mach meters, ASI, altimeter
c) altimeter, FMC, secondary radar

Answer 581

b) cabin rate sensors, mach meters, ASI, altimeter

Question 582

582) If the runway picture in the EADI moves down during an ILS approach the aircraft must fly
a) up
b) down
c) nowhere-this is a normal approach

Answer 582

b) down

Question 583

583) Load shedding allows
a) more current to the busbar
b) less current to the busbar
c) more voltage to the busbar

Answer 583

b) less current to the busbar

Question 584

584) How may the output of a transistorised voltage regulator be described?
a) Slightly variable DC
b) Pulse width modulated DC
c) Variable AC

Answer 584

c) Variable AC

Question 585

585) In the event of complete AC generator failure in an AC split bus-bar generation system, how is power maintained to the essential ac bus-bar?
a) By power fed from static inverter only
b) By power fed from a hot battery bus-bar only
c) By power fed from a battery supplied static inverter

Answer 585

c) By power fed from a battery supplied static inverter

Question 586

586) Which components within a generator control unit connects the output of the field power supply to the generator exciter?
a) Generator control relay
b) Generator line contactor
c) Generator power pilot relay

Answer 586

a) Generator control relay

Question 587

587) In what units are static inverters rated?
a) kW
b) kVA
c) kVAR

Answer 587

b) kVA

Question 588

588) What modulation is used for the beams of a localiser in an ILS?
a) 150 Hz right of runway centre line, 90 Hz left of runway centre line
b) 150 Hz left of runway centre line, 90 Hz right of runway centre line
c) 90 Hz below the glide path, 150 Hz above the glide path

Answer 588

a) 150 Hz right of runway centre line, 90 Hz left of runway centre line

Question 589

589) What deviation is indicated by 2 dots in a VOR system?
a) 2.5 degrees
b) 10 degrees
c) 6 degrees

Answer 589

b) 10 degrees

Question 590

590) In an automatic flight control system when may yaw damper be applied?
a) During automatic control only
b) During manual control only
c) During either manual or automatic control

Answer 590

c) During either manual or automatic control

Question 591

591) In what frequency range does the automatic direction finder (ADF) system operate?
a) 108.0-117.95 MHz
b) 1025-1150 KHz
c) 190-1759 KHz

Answer 591

c) 190-1759 KHz

Question 592

592) In a generator system, a stability winding is used
a) in series with the field to prevent oscillations
b) to prevent voltage overshoot
c) to control output current

Answer 592

b) to prevent voltage overshoot

Question 593

593) On engine shut down what prevents GCR being tripped?
a) undervolt
b) underfrequency
c) under current

Answer 593

b) underfrequency

Question 594

594) How is a real and reactive load sharing achieved in an AC parallel generator system?
a) Real load by control of the constant speed drives, reactive load by adjustment of generator fields
b) Real and reactive loads by control of the constant speed drives only. Output voltage is controlled by adjustment of generator fields
c) Real load by control of generator fields, Reactive loads by adjustment of the constant speed drives

Answer 594

a) Real load by control of the constant speed drives, reactive load by adjustment of generator fields

Question 595

595) How are passenger reading lights normally tested?
a) Each one is switched on individually at passenger panel
b) By using a READ LIGHT TEST switch at any passenger panel
c) By using a READ LIGHT TEST switch on the cabin attendant panel

Answer 595

c) By using a READ LIGHT TEST switch on the cabin attendant panel

Question 596

596) In what position should the selector switch be for a standby and emergency lighting system during flight?
a) OFF
b) Armed
c) ON

Answer 596

b) Armed

Question 597

597) How does an aircraft distinguish its own Distance Measuring Equipment reply from those for other aircraft?
a) By using an alternate frequency
b) By modulation of an audio tone
c) By changing at random the time delay between the pulse pairs of the interrogation signal

Answer 597

c) By changing at random the time delay between the pulse pairs of the interrogation signal

Question 598

598) From where is bearing information received for display on the digital-distance-radio-magnetic-indicator (DDRMI)?
a) From VOR and ADF systems
b) From VOR only
c) From ADF only

Answer 598

a) From VOR and ADF systems

Question 599

599) How may the basic principle of the radio altimeter be described?
a) As a comparison of radio altitude against a barometric altitude referenced to ISA sea level (1013.25mb)
b) As a measure of the time between a RF pulse transmission and the reception of its echo from the ground directly below the aircraft
c) As a series of radio pulses to the ground their frequency depending on the expansion or contraction of an evacuated capsule and the deflection of an E and I bar transducer

Answer 599

b) As a measure of the time between a RF pulse transmission and the reception of its echo from the ground directly below the aircraft

Question 600

600) Which frequency is used to achieve line of sight radio communication?
a) VHF and UHF
b) HF
c) VHF

Answer 600

a) VHF and UHF

Question 601

601) Why is an aerial tuning unit used in a high frequency (HF) communication system?
a) To extend or retract the aerial and so vary its physical length
b) To select the transmission/reception frequency in the HF band
c) To electrically lengthen or shorten aerial for optimum matching of impedance

Answer 601

c) To electrically lengthen or shorten aerial for optimum matching of impedance

Question 602

602) What would be the purpose of an input from an internal reference system being connected to a weather radar?
a) To provide stabilisation for the rear antenna
b) To place the weather radar target in azimuth and distance for the display
c) To ensure that there is no radar transmission with aircraft on ground

Answer 602

a) To provide stabilisation for the rear antenna

Question 603

603) Which systems provide envelope modulation information for a Ground Proximity Warning System (GPWS)?
a) Flaps/undercarriage
b) Autothrottle
c) Rudder/ailerons

Answer 603

a) Flaps/undercarriage

Question 604

604) In a compass system, what senses the horizontal component of the earth’s magnetic field and where is it normally fitted?
a) Directional gyro mounted on the roll axis of the aircraft
b) Flux detectors fitted in the wing tips
c) A precession device mounted on the yaw axis of the aircraft

Answer 604

b) Flux detectors fitted in the wing tips

Question 605

605) The Time Reference Scanning Beam (TRSB) corresponds to ILS localiser and glidepath. How does it operate?
a) Azimuth and elevation transmitters produce a narrow beam which is rapidly scanned TO and FRO or UP and DOWN
b) It operates in the same manner as ILS but utilises higher frequencies
c) It operates in conjunction with DME at lower frequencies than ILS

Answer 605

a) Azimuth and elevation transmitters produce a narrow beam which is rapidly scanned TO and FRO or UP and DOWN

Question 606

606) Other than when there is a fault in an aircraft battery or its charging system, when is the charger switched off automatically?
a) When there is a failure of one alternator in a split-bus bar system
b) When the battery is used for excessively high discharge currents such as starting
c) When the alternators are fully loaded

Answer 606

b) When the battery is used for excessively high discharge currents such as starting

Question 607

607) The FMS nav data base is updated
a) after a B or C check has been completed
b) every 28 days
c) daily

Answer 607

b) every 28 days

Question 608

608) An RMI has inputs from VOR and
a) no other sources
b) an azimuth gyro
c) a remote compass input

Answer 608

b) an azimuth gyro

Question 609

609) The trimmer resister in a carbon pile volts regulator is
a) in series with the generator field
b) in parallel with the generator volts coil
c) in series with the generator volts coil

Answer 609

c) in series with the generator volts coil

Question 610

610) When a field relay trips the generator off line it can be reset
a) on the ground only
b) by cycling the generator switch
c) after the fault has been cleared

Answer 610

b) by cycling the generator switch

Question 611

611) An overvoltage condition trips the generator, the time taken to trip is dependant upon
a) amplitude of voltage
b) time delay circuit
c) closing fuel and hyd valves etc..

Answer 611

a) amplitude of voltage

Question 612

612) In a paralleled AC generator system both A phases must be in synch and
a) CBA must equal ABC
b) Phase rotation does not matter
c) CBA must equal CBA

Answer 612

c) CBA must equal CBA

Question 613

613) When loads are shed from a bus bar automatically
a) bus bar voltage rises
b) bus bar current rises
c) bus bar current decreases

Answer 613

c) bus bar current decreases

Question 614

614) In a modern HIS, the displays are
a) course and direction
b) course and attitude
c) direction and attitude

Answer 614

a) course and direction

Question 615

615) In an IRS system you would expect to find
a) ring laser gyro’s
b) three strap down accelerometers
c) an azimuth gyro system

Answer 615

a) ring laser gyro’s

Question 616

616) In an INS system the accelerometer is a mass
a) suspended between two springs in a tube
b) suspended in free air
c) a remotely mounted mass on the airframe

Answer 616

a) suspended between two springs in a tube

Question 617

617) In a modern aircraft the ACARS system is used primarily for
a) reporting defects on the aircraft automatically
b) communications between the aircraft and base
c) as part of the passenger telephone system

Answer 617

b) communications between the aircraft and base

Question 618

618) What controls the output from a generator?
a) BPCU
b) GCU
c) ELCU

Answer 618

b) GCU

Question 619

619) The term “empannage” incorporates
a) elevators, stabiliser, rudder
b) elevators, stabiliser, ailerons
c) rudder, ailerons, spoilers

Answer 619

a) elevators, stabiliser, rudder

Question 620

620) Which of the following are primary control surfaces?
a) Elevators, roll spoilers, tabs
b) Elevators, ailerons, rudder
c) Roll spoilers, elevators, tabs

Answer 620

b) Elevators, ailerons, rudder

Question 621

621) Flutter can be prevented by
a) mass balance
b) trim tabs
c) balance panels

Answer 621

a) mass balance

Question 622

622) Vent holes are found on
a) tubeless tyres
b) tubed tyres
c) split wheel tyres

Answer 622

a) tubeless tyres

Question 623

623) Which of the following can be used on the ground?
a) Turbo brake
b) Turbo compressor
c) Turbo fan

Answer 623

c) Turbo fan

Question 624

624) Pressure refuelling is carried out at
a) 15 psi
b) 20 psi
c) 40 psi

Answer 624

c) 40 psi

Question 625

625) What is important about the air entering a dry air pump?
a) must be filtered
b) must be pressure controlled
c) must be temperature controlled

Answer 625

a) must be filtered

Question 626

626) What test is carried out to ensure serviceability of a squib?
a) Bottles are fired
b) Safety ohmmeter is used to check voltage
c) A continuity check

Answer 626

c) A continuity check

Question 627

627) Cross feed valves permit fuel transfer from
a) tank to tank
b) left tank to right tank
c) any tank to any engine

Answer 627

c) any tank to any engine

Question 628

628) What is fitted to the fuel jettison pipe to prevent vaporisation?
a) anti corona device
b) nozzle
c) corona device

Answer 628

a) anti corona device

Question 629

629) Specific gravity in a lead acid battery should give an indication of
a) charge
b) electrolyte level
c) electrolyte temperature

Answer 629

a) charge

Question 630

630) If an aircraft suddenly drops pressure at 14,000ft
a) masks drop automatically
b) attendant must drop masks
c) passenger must get mask from overhead storage

Answer 630

a) masks drop automatically

Question 631

631) During normal engine shut down the generator
a) breaker is tripped
b) breaker and control relay tripped
c) control relay tripped only

Answer 631

a) breaker is tripped

Question 632

632) At what temperature does a yellow fuse plug melt at?
a) 150 deg C
b) 200 deg C
c) 250 deg C

Answer 632

b) 200 deg C

Question 633

633) Above the critical mach number, the drag coefficient
a) increases
b) decreases
c) remains the same

Answer 633

a) increases

Question 634

634) In a CMC warning signals are generated by
a) Warning computer
b) CMC
c) FMC

Answer 634

a) Warning computer

Question 635

635) Dissimilar metal fusion bonding is best for
a) high strength high ductility
b) high strength high toughness
c) low strength high toughness

Answer 635

a) high strength high ductility

Question 636

636) In a fully fly by wire system, if the elevator loses all electrical power
a) servos move to neutral and lock
b) servos remain stationary and provide damping
c) servos lock at last position

Answer 636

b) servos remain stationary and provide damping

Question 637

637) A variable angled pump starts at
a) maximum stroke
b) minimum stroke
c) half way position

Answer 637

a) maximum stroke

Question 638

638) At what height does the rising runway appear?
a) 500ft
b) 300ft
c) 200ft

Answer 638

c) 200ft

Question 639

639) An H on the EHSI indicates
a) DME hold
b) VOR hold
c) ILS approach

Answer 639

a) DME hold

Question 640

640) What happens to the capacitance in a fuel contents gauge as fuel is used
a) increases
b) decreases
c) Depends on altitude

Answer 640

b) decreases

Question 641

641) What are the main areas of the autopilot?
a) Error, correction, follow up, demand
b) Error, correction, demand, resolved
c) Error, correction, follow up, command

Answer 641

c) Error, correction, follow up, command

Question 642

642) VHF frequency is
a) 108-112MHz
b) 108-136MHz
c) 108-118MHz

Answer 642

b) 108-136MHz

Question 643

643) The call system for the captain will have the audio
a) two tone chime
b) horn
c) hi tone chime

Answer 643

a) two tone chime

Question 644

644) Channel 3 on a CVR records
a) first officer
b) captain
c) flight deck

Answer 644

c) flight deck

Question 645

645) DME works on the frequency of
a) VHF
b) UHF
c) HF

Answer 645

b) UHF

Question 646

646) A radial is referenced
a) from a beacon
b) to a VOR
c) on a compass

Answer 646

a) from a beacon

Question 647

647) ADF works by using
a) loop aerial
b) sense aerial
c) both loop and sense aerial

Answer 647

c) both loop and sense aerial

Question 648

648) The ideal conditions for paint spraying an aircraft are
a) 20deg C to 30deg C and humidity below 70%
b) 15deg C to 25deg C and humidity below 75%
c) 15deg C to 25deg C and humidity above 60%

Answer 648

b) 15deg C to 25deg C and humidity below 75%

Question 649

649) When an aircraft is put into storage for medium/long periods, the fuel tanks should be
a) empty
b) full
c) some fuel left in to prevent sealant from deteriorating/drying out

Answer 649

c) some fuel left in to prevent sealant from deteriorating/drying out

Question 650

650) The generator warning light will come on when
a) voltage too high
b) voltage above battery voltage
c) voltage below battery voltage

Answer 650

c) voltage below battery voltage

Question 651

651) Compared to air driven gyros, the electric gyro runs
a) faster
b) slower
c) same speed

Answer 651

a) faster

Question 652

652) Hot fluids in an aircraft galley must have closed container lids at a temperature above
a) 45 degrees C
b) 55 degrees C
c) 65 degrees C

Answer 652

a) 45 degrees C

Question 653

653) Windshield rain repellent is applied
a) before rain and spread on window surface by wipers
b) when rain is on windows and spread by wipers
c) when heavy rain so vision is unobscured

Answer 653

b) when rain is on windows and spread by wipers

Question 654

654) In a gas fire wire system, what causes the fire wire caption to come on when heat is applied?
a) Capacitance increase
b) Continuity
c) Pressure

Answer 654

c) Pressure

Question 655

655) In an auto trim system, for the trim system to operate
a) autopilot must be engaged
b) autopilot need not be engaged
c) operation of the trim controls is required

Answer 655

a) autopilot must be engaged

Question 656

656) Fluid viscosity
a) increases with an increase in temperature
b) decreases with an increase in temperature
c) decreases with a decrease in temperature

Answer 656

b) decreases with an increase in temperature

Question 657

657) A check flow valve in a hydraulic system prevents
a) pump cavitation
b) reverse flow
c) overpressure

Answer 657

b) reverse flow

Question 658

658) A pneumatic indicator takes its indications from
a) compressor inlet
b) compressor outlet
c) reservoir

Answer 658

c) reservoir

Question 659

659) What is apparent drift?
a) earths rotation
b) errors when aircraft banking
c) gyro pivot friction

Answer 659

a) earths rotation

Question 660

660) Integral fuel booster pumps
a) require no cooling
b) require ram air cooling
c) the fuel does cooling

Answer 660

c) the fuel does cooling

Question 661

661) Toilet fire detection can be found in
a) CAAIP’s
b) AWN 80
c) AWN 83

Answer 661

c) AWN 83

Question 662

662) The outside casing of a fire wire has
a) 28vdc potential above ground
b) 115vdc potential above ground
c) same potential as ground

Answer 662

c) same potential as ground

Question 663

663) The cam plate in a nose undercarriage is for
a) the shimmy damper
b) alignment for the nose wheel steering on nose undercarriage extension
c) align for nose wheel on nose undercarriage retraction

Answer 663

c) align for nose wheel on nose undercarriage retraction

Question 664

664) An aircraft airspeed indicator has
a) pitot to the capsule
b) static to the capsule
c) pitot to the capsule and static to the outside of the capsule

Answer 664

c) pitot to the capsule and static to the outside of the capsule

Question 665

665) What is tyre creep related to?
a) Tyre moving around the wheel
b) Horizontal movement of the tyre
c) Vertical movement of the tyre

Answer 665

a) Tyre moving around the wheel

Question 666

666) Water Lines (WLs) are measured points on a
a) horizontal line
b) vertical line
c) wing line

Answer 666

b) vertical line

Question 667

667) The four main structural items making up a horizontal stabiliser are
a) spar, rib, stringers, skin panels
b) spar, rib, longerons, skin panels
c) spar, rib, bulkheads, skin panels

Answer 667

a) spar, rib, stringers, skin panels

Question 668

668) The main undercarriage is attached to
a) front main spar
b) rear main spar
c) aircraft structure

Answer 668

c) aircraft structure

Question 669

669) In an autopilot co-ordinated turn, when the turn angle is reached
a) both ailerons are down
b) one aileron is up and one is down
c) the ailerons are faired

Answer 669

c) the ailerons are faired

Question 670

670) A flat planer radar dish
a) is used for RF transmissions only
b) is a parabolic dish
c) is a series of wave guides with slots cut in them

Answer 670

c) is a series of wave guides with slots cut in them

Question 671

671) Above 2500ft the rad alt
a) pointer goes to zero to show system is being monitored
b) pointer is hidden behind a mask with off flag out of view
c) continues to indicate but with a warning flag

Answer 671

b) pointer is hidden behind a mask with off flag out of view

Question 672

672) When replacing a current transformer
a) it can only be fitted one way round
b) it can be fitted any way round
c) voltage/current selection must be made prior to fitting

Answer 672

a) it can only be fitted one way round

Question 673

673) How is the next database on the FMC activated?
a) Manually, on the ground
b) Automatically by due date
c) Manually in the air

Answer 673

b) Automatically by due date

Question 674

674) The economy coil on a relay
a) makes it cheaper to make
b) reduces current required to hold closed
c) reduces current required to close

Answer 674

b) reduces current required to hold closed

Question 675

675) The emergency lighting system must be designed so that after any single transverse vertical separation of the fuselage during crash landing the maximum amount of emergency lighting that fails is
a) 10%
b) 15%
c) 25%

Answer 675

c) 25%

Question 676

676) What is the function of the generator control relay?
a) Control output voltage
b) Bring the generator online
c) Connect the generator to the bus bar

Answer 676

b) Bring the generator online

Question 677

677) How is automatic AoA protection provided?
a) Autothrottle applying more power
b) Fast/Slow indication
c) Reduce flap deployment

Answer 677

a) Autothrottle applying more power

Question 678

678) What is the output angle of a landing light?
a) 11 degrees
b) 15 degrees
c) 20 degrees

Answer 678

a) 11 degrees

Question 679

679) What sort of etch solution is used on Aluminium alloys
a) Alkaline etch
b) Acid etch
c) Solvent etch

Answer 679

b) Acid etch

Question 680

680) What are the types of true bonded joints?
a) cemented and specific
b) mechanical and specific
c) mechanical and cemented

Answer 680

b) mechanical and specific

Question 681

681) Where would you find information on life-raft deployment?
a) Cabin safety onboard card
b) Cabin operations manual
c) JAR’s

Answer 681

b) Cabin operations manual

Question 682

682) What GPWS mode gives a “WHOOP WHOOP, PULL UP” command
a) mode 2
b) mode 3
c) mode 6

Answer 682

a) mode 2

Question 683

683) How does a mach meter work?
a) true airspeed/indicated airspeed
b) true airspeed and true speed of sound
c) indicated airspeed/temperature

Answer 683

c) indicated airspeed/temperature

Question 684

684) A machmeter works
a) always
b) always except on the ground
c) above 10,000ft

Answer 684

a) always

Question 685

685) On a standard day at which altitude will the speed of sound be the highest?
a) Sea level
b) 5,000ft
c) 10,000ft

Answer 685

a) Sea level

Question 686

686) The purpose of the autopilot servo-motor torque setting is to
a) prevent control surface runaway
b) dampen oscillations
c) provide autopilot

Answer 686

a) prevent control surface runaway

Question 687

687) The current consumed by a DC starter motor will
a) increase as the engine speed increases
b) decrease as the engine speed increases
c) remain constant

Answer 687

b) decrease as the engine speed increases

Question 688

688) The various parts of the aircraft airframe are maintained at the same potential by
a) earthing
b) static wicks
c) bonding

Answer 688

c) bonding

Question 689

689) Why is a joggle used?
a) To provide a flush fit
b) To add strength
c) To provide a smooth contour to surface

Answer 689

a) To provide a flush fit

Question 690

690) Air conditioning systems
a) Increase the temperature of air
b) Increase and decrease the temperature of air
c) Decrease the temperature of air

Answer 690

c) Decrease the temperature of air

Question 691

691) How do oxygen cylinders show over pressure?
a) Green rupturing disc
b) Audible warning
c) Red rupturing disc

Answer 691

a) Green rupturing disc

Question 692

692) Slats
a) keep the boundary layer from separating for longer
b) increase the overall surface area and lift effect of wing
c) act as an air brake

Answer 692

a) keep the boundary layer from separating for longer

Question 693

693) ‘Aquaplaning’ can be reduced by
a) anti-skid
b) lowering slats
c) increased flaring

Answer 693

a) anti-skid

Question 694

694) An air cycle machine turbine
a) drives compressor to pressurise aircraft
b) drives compressor to increase temperature
c) drives compressor to decrease temperature

Answer 694

b) drives compressor to increase temperature

Question 695

695) On passenger aircraft of 2 or more zones
a) seat backs fold forward at over wing emergency exits
b) there should be at least one exit per zone
c) emergency exits are to be clearly signed

Answer 695

c) emergency exits are to be clearly signed

Question 696

696) In a pressurised cabin there is a gauge that shows
a) cabin differential pressure
b) cabin pressure altitude
c) aircraft altitude

Answer 696

a) cabin differential pressure

Question 697

697) Due to the change of lift forces resulting from the extension of flaps in flight
a) nose should be raised increasing AoA
b) nose should remain the same position maintaining same AoA
c) nose should be lowered reducing AoA

Answer 697

c) nose should be lowered reducing AoA

Question 698

698) Flight spoilers
a) can be used with differential ailerons to reduce adverse yaw in a turn
b) can be deployed on the down going wing in a turn to increase lift on that wing
c) can be used to decrease lift to allow controlled decent without reduction of airspeed

Answer 698

a) can be used with differential ailerons to reduce adverse yaw in a turn

Question 699

699) If the aircraft is flying nose heavy which direction would you move the elevator trim tab?
a) Down to move the elevator up
b) Up to move elevator up
c) Up to move elevator down

Answer 699

a) Down to move the elevator up

Question 700

700) When changing a pitot static instrument with quick release couplings
a) a leak check is not required
b) a leak check is always required
c) a leak check is only required if stated by manufacturer

Answer 700

b) a leak check is always required

Question 701

701) The cross sectional area of a secondary conductor must be not less than
a) 18 SWG for a single wire
b) 22 SWG x 0.5 inches
c) 22 SWG x 0.25 inches

Answer 701

a) 18 SWG for a single wire

Question 702

702) A neutralising agent for sulphuric acid is
a) borax powder
b) citric acid
c) distilled water

Answer 702

a) borax powder

Question 703

703) In a split bus power distribution system
a) generators are paralleled on connection to the tie bus
b) each generator supplies its own bus and distribution system in normal operation
c) power is slit between 115V AC and 28V DC

Answer 703

b) each generator supplies its own bus and distribution system in normal operation

Question 704

704) Wing tip vortices are strongest when
a) flying high speed straight and level
b) flying slowly at high angles of attack
c) flying in to a headwind

Answer 704

b) flying slowly at high angles of attack

Question 705

705) Air exiting the compressor side of an ACM
a) will have increased pressure and temperature
b) will have decreased pressure and temperature
c) no change in temperature or pressure as it is a centrifugal compressor

Answer 705

a) will have increased pressure and temperature

Question 706

706) The purpose of a scavenge system within a fuel system is
a) to ensure that all available fuel can be used
b) to ensure that any water in the fuel is constantly dispersed thus reducing microbiological contamination
c) to ensure that all unused fuel is returned to the tanks efficiently

Answer 706

b) to ensure that any water in the fuel is constantly dispersed thus reducing microbiological contamination

Question 707

707) Pneumatic rain removal systems
a) use engine bleed air at high velocity to remove water droplets from windscreen
b) use a pneumatic motor to drive windscreen wipers
c) are not permitted on large transport aircraft

Answer 707

a) use engine bleed air at high velocity to remove water droplets from windscreen

Question 708

708) A transponder that is compatible for use with a TCAS system would be
a) Mode A
b) Mode C
c) Mode S

Answer 708

c) Mode S

Question 709

709) Main deck cargo windows, for fire regulations, must have
a) blinds drawn
b) fireproof covers
c) windows unobscured

Answer 709

No answer

Question 710

710) When using an air data tester, the maximum rate of airspeed that can be applied to the aircraft is
a) 4500 ft/min
b) 2500 ft/min
c) 1500 ft/min

Answer 710

no answer

Question 711

711) What time interval should fire protection checks be carried out on cabin furnishing?
a) 10 years
a) 5 years
b) 2 years

Answer 711

no answer