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SACAA CPL ATG > Test 1 > Flashcards

Test 1 Flashcards

1
Q

Electrically powered ice protection devices on aircraft are used as?

A

De-Icing devices for pitot tubes, static ports, and windshield

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2
Q

Pneumatic mechanical devices that provide ice protection are…

A

usually used as de-icing devices

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3
Q

On most transport aircraft, cockpit windows are protected against icing by?

A

Electrical heating

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4
Q

Aircraft fuel tanks should be checked for water?

A

Before each flight

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5
Q

The fuel cross-feed system enables:

A

the supply of any engine from any fuel tank

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6
Q

The purpose of stringers, used in the fuselage construction is to?

A

Assist the skin to absorb longitudinal compressive loads

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7
Q

The component that transforms the hydraulic pressure into a linear motion is called?

A

an Actuator or Jack

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8
Q

One purpose of an accumulator is a hydraulic system is to?

A

store fluid under pressure

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9
Q

Landing gear torque links are used to?

A

Prevent rotation of the landing gear piston in the oleo strut.

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10
Q

The function of a scissor (torsion link) in a landing gear is to?

A

Prevent any rotation of the oleo strut

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11
Q

The two deformation modes that cause wing flutter are?

A

Torsion and bending

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12
Q

On an airplane using AC as primary power supplies, the batteries are charged in flight from?

A

a Transformer Rectifier Unit

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13
Q

The power required for field excitation of the main rotor in modern constant frequency is controlled by?

A

an AC generator by regulators

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14
Q

The capacity of a battery is given in?

A

Ampere hours

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15
Q

The reason for using inverters in an electrical system is?

A

to Change DC to AC

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16
Q

When two DC generators are operating in parallel, control of the load sharing is achieved by?

A

an Equalising circuit which, in conjunction with the voltage regulators, varies the field excitation current of the generators

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17
Q

The power output of a generator is controlled by?

A

Varying the field strength.

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18
Q

The purpose of bonding the metallic parts of an aircraft?

A

2,4

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19
Q

The main reason for opening the cowl flaps is to control the?

A

C.H.T

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20
Q

For a piston engine, the chemically correct formula is?

A

1.10

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21
Q

When leaning the mixture for the most economic cruise fuel flow, excessive leaning will cause?

A

High Cylinder Head Temperatures

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22
Q

The operating principle of float-type carburettors is based on the?

A

The difference in air pressure at the venturi throat and the air inlet

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23
Q

For internal cooling, reciprocating engines are especially dependent on?

A

The circulation of lubricating oil

24
Q

The working cycle of a four-stroke engine is?

A

Induction, compression, power, exhaust

25
Q

Dual ignition provides a factor of reliability and it?

A

provides more voltage

26
Q

The lubricating system of an air-cooled piston-engine…

A

Reduce internal friction on the engine

27
Q

Which of the following remains unchanged during engine intake?

A

Static temperature

28
Q

In a gas turbine combustion chamber?

A

The axial velocity of the gas stream is the highest

29
Q

A twin-spool engine with a bypass mass and single compressor of 250kg/s has a bypass ratio of?

A

0.5

30
Q

In a jet engine the propelling nozzle?

A

Decreases the velocity and increases the engine’s thrust

31
Q

To achieve reverse thrust on a turbine with a high by-pass ratio it is necessary to?

A

Deflect the fan thrust

32
Q

In a turbo-jet, the purpose of the turbine is to?

A

Drive the compressor by using part of the energy from the exhaust gases

33
Q

Which statement is correct for the gas turbine engine with a constant speed propeller and a free power turbine, when the power setting is increased?

A

1 is correct, 2 is correct

34
Q

The primary performance indicators (cockpit instruments) for thrust on a turbofan engine is?

A

EPR or N1

35
Q

Low battery voltage will most likely result in?

A

Hot Start

36
Q

Which statement is correct regarding JET A1?

A

1 is Correct, 2 is Correct

37
Q

In a gas turbine engine lubrication system the?

A

Oil is colled through thermal efficiency

38
Q

Concerning the starting procedure of an aircraft, the selected igniters are in the?

A

Combustion Chambers

39
Q

Labyrinth seals in the lubrication system of an engine are?

A

Not completely tight, allowing for air

40
Q

One of the advantages of a multiple-spool jet engine design is that?

A

If one spool seizes, the remaining spool(s) will continue to operate

41
Q

In the airflow through a single spool axial flow, turbojet engine the axial velocity of air is greatest?

A

as it leaves the compressor

42
Q

The installation and use of onboard oxygen generators are such that?

A

The smoking ban is imperative when used, No trace of grease must be found in the system assembly

43
Q

CO2 type extinguishers are suitable to fight fire one?

A

Carbonate materials, flammable liquids, electrical equipment

44
Q

Halon is used as a fire extinguisher equipment when it?

A

acts as a very effective perspirant

45
Q

For an aeroplane with a tyre pressure of 16 bars, there is a risk of dynamic hydro planning as soon as?

A

Crosswind is greater than 25 kt

46
Q

Regarding wake turbulence, what is the distance between an aircraft behind a MEDIUM or HEAVY aircraft?

A

5 Minutes

47
Q

Induced drag is?

A

Inversely proportional to the square

48
Q

Which phenomenon is counteracted with differential aileron deflection?

A

Adverse yaw

49
Q

What factors determine the distance travelled over the ground of an aeroplane in a glide?

A

The wind, lift/drag ratio, which changes with AOA

50
Q

What will happen in ground effect?

A

The induced AOA and induced drag decreases

51
Q

Maintaining CAS and flight level constant?

A

Lower TAS because of the IAS

52
Q

Lift is the?

A

The vertical component of the total aerodynamic forces, perpendicular to the undisturbed airflow.

53
Q

The high lift device fitted on most transport aircraft are?

A

Fowler flaps

54
Q

Constant-speed propellers provide better performance than fixed-pitch propellers because they?

A

Produce an almost maximum efficiency over a wider speed range

55
Q

Which of the following statements about the spin is correct?

A

During spin recovery, the ailerons should be kept in the neutral position

56
Q

The accumulation of frost, snow, and rain may have consequences, an increase in bank will affect?

A

Roll Rate

SACAA CPL ATG (4 decks)

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