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CPE > MAIN REVIEWER > Flashcards

MAIN REVIEWER Flashcards

1
Q

occurs when air/fuel mixture- ignites before the time of normal ignition

A

PRE IGNITION

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2
Q

The turbine section of a jet engine function

A

collects the compressed air to generate thrust

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3
Q

If the exhaust valve of a four- stroke cycle engine is closed and the intake valve is just closed, the piston is on the

A

compression stroke

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4
Q

What is the purpose of safety gap in some magnetos

A

to discharge the secondary coil’s voltage if an open occurs in the secondary circuit

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5
Q

A fuel strainer or filter must be located between the

A

tank outlet and the fuel metering device

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6
Q

What is the purpose of the stator blades in the compressor section of a turbine engine?

A

control the direction of the airflow

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7
Q

How is the strength of magneto magnet checked?

A

holds the points open and then checking
the output of the primary with an AC ammeter while operating the magneto at a specified
speed

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8
Q

On which stroke are both valves on a four stroke cycle reciprocating engine open?

A

intake and exhaust

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9
Q

What directly regulates the speed of a turbocharger?

A

wastegate

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10
Q

What part of an aircraft in flight will begin to accumulate ice before any other

A

CARBURETOR

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11
Q

An air intake of gas turbine engine has

A
  • intake valve and intake duct
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12
Q

An increase in manifold pressure when carburetor heat is applied indicates

A

ice was forming in the carburetor

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13
Q

What unit in an aircraft engine lubrication system is adjusted to maintain the desired system pressure?

A

oil pressure relief valve

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14
Q

Fuel lines are kept away from sources of heat, and sharp bends and steep rises are avoided to reduce the possibility of

A

vapor lock

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15
Q

Aircraft magneto housings are usually ventilated in order to

A
  • provide cooling and remove corrosive gases produced by normal arcing.
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16
Q

The brayton cycle is known as the

A

constant- pressure cycle

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17
Q

The recommended aircraft engine lubricants are

A

mineral or synthetic based

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18
Q

What advantage do mineral base lubricants have over vegetable oil base lubricants when used in aircraft engines?

A

chemical stability

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19
Q

An aircraft engine equipped with a pressure type carburetor is started with the

A

primer while the mixture control is positioned at idle cut- off

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20
Q

The five events of four stroke cycle engines in the order of their occurrence are-

A
  • intake, compression, ignition, power, and exhaust Strokes.
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21
Q

If the ignition switch is moved from BOTH to either LEFT or RIGHT during an engine ground check, normal operation is usually indicated by a

A

Slight drop in RPM

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22
Q

Where is the highest gas pressure in a turbojet engine?

A

In the entrance of the burner section

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23
Q

What is the purpose of the fuel transfer ejectors?

A

To assist in the transfer of fuel from the
main tank to the boost pump sump

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24
Q

In a gas turbine engine, combustion occurs at a constant

A

PRESSURE

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25
Q

The primary concern in establishing the firing order for an opposed engine is to:

A

Provide for balance and eliminate vibration in order to keep power impulses on adjacent cylinders as far apart as possible in order to obtain the greatest mechanical efficiency.

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26
Q

As an aircraft engine’s speed is increased, the voltage induced in the primary coil*
of the magneto

A

Increases

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27
Q

A red triangle, dot, or diamond mark on an engine instrument face or glass indicates

A

Maximum limit for high transient such as starting

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28
Q

Fuel cross-feed systems are used in aircraft to-

A

Maintain Load

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29
Q

In the dual axial-flow or twin spool compressor system, the first stage turbine drives the

A

N2 compressor

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30
Q

When testing a magneto distributor block for electrical leakage, which of the following pieces of test equipment should be used?

A

High-tension Harness Tester

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31
Q

The Hot Section of a gas turbine engine is consist of

A

Combustor, Turbine, Exhaust

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32
Q

the pressure of subsonic air as it flows through a convergent nozzle

A
  • Decreases
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33
Q

Using the following information, determine how many degrees the crankshaft will rotate with both the intake and exhaust valves seated Intake opens 15 BTDC, Exhaust opens 70 BBDC, Intake closes 45” ABDC, Exhaust closes 45 ABDC

A

245

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34
Q

Which of the following is a primary engine instrument?

A

Tachometer

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35
Q

The intake valve _____ on the compression stroke

A

closes

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36
Q

What is the typical firing order of a6 cylinder Horizontally Opposed Engine?-

A

1-4-5-2-3-6

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37
Q

What is the first engine instrument indication of a successful start of a turbine engine?

A

Rise in the exhaust gas temperature

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38
Q

Carburetor icing may be eliminated by which of the following methods?

A

Alcohol spray and heated induction air

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39
Q

Where are the hot and cold junctions Located in an engine cylinder temperature indicating system?

A
  • The hot junction is located at the cylinder and the cold junction is located at the instrument
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40
Q

What instrument on a gas turbine engine should be monitored to minimize the possibility of a “hot” start?

A

Turbine inlet temperature

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41
Q

Where should the main fuel strainer be located in the aircraft fuel system?-

A

At the lowest point in the fuel system

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42
Q

What are the two basic elements of the turbine section in a turbine engine?

A

Stator and Rotor

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43
Q

A major difference between the Teledyne Continental and RSA (Precision Airmotive or Bendix) continuous flow fuel injection systems in fuel metering is that the RSA system uses air pressure only is a metering that the

A

Continental system uses the pressure only as a metering force

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44
Q

Which of the following fire detectors are commonly used in the power section of an engine nacelle?

A

-Rate-of-temperature-rise detectors

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45
Q

When starting an engine equipped with a carburetor air heater, in what position should the heater be placed

A

cold

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46
Q

Which of the following influences the operation of an automatic fuel control unit on a turbojet engine?

A

-Burner Pressure

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47
Q

When internally timing a magneto, the breaker points begin to open when the rotating magnet is

A
  • Few degrees past neutral position
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48
Q

This construction uses stressed skin to support almost all loads much like an aluminum beverage can

A

Monocoque

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49
Q

It consist of determining the number of rivets required the side style of rivet to be use, its material temper condition and strength, distance of rivet holes and rivets from the edge of patch, and spacing of the rivet through-out the repair

A

Rivet layout

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50
Q

This type of cutting tool for Sheet Metal Construction and Repair has straight blades with cutting edges sharpened to an 85” angle. Available in sizes ranging from 6 to 14 inches, they cut aluminum up to 1% of an inch.

A

straight snips

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51
Q

This type of rivet head used on internal structures where strength is the major factor and streamlining is not important.

A

Round Head Rivet (AN430)

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52
Q

It is also referred to as rivet pitch, is the distance between the rivets in the same row, and is measured from the rivet center to the rivet center

A

Transverse pitch

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53
Q

Longitudinal (fore and aft) structural members of a semi monocoque fuselage are called:

A

Longerons and stringers

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54
Q

The vertical flight of a helicopter is controlled by

A

Collective pitch changes

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55
Q

Movement about the longitudinal axis (roll) in a helicopter is affected by movement of the

A

Cyclic pitch control

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56
Q

Which statement is true regarding a cantilever wing?

A

No external bracing is needed

57
Q

The dihedral angle of a wing may be measured by placing a straightedge and level protractor on the

A

Front spar

58
Q

The purpose in checking main rotor blade tracking is to determine the

A

flight path of the blades during rotation

59
Q

Aircraft tire pressure should be checked

A

at least once a week or more often

60
Q

The purpose of the pressure regulator in a hydraulic system is to

A

Maintain system operating pressure within a predetermined range and to unload the pump

61
Q

Characteristics of MIL-H-8446 (Skydrol 500 A & B) hydraulic fluid are:

A

light purple color, phosphate ester base, fire resistant, butyl rubber seals

62
Q

These reinforcing materials are used when a high temperature application is needed and this form of composite retains the strength and flexibility at temperature of 2,200 F

A

ceramic fibers

63
Q

This reinforcing material is stronger in compressive strength than Kevlar. Electrically conductive, have low thermal expansion coefficients, and have high fatigue resistance

A

Carbon/graphite fiber

64
Q

This fiber orientation in which all of the major fibers run in one direction, giving strength in that direction is known as

A

Unidirectional

65
Q

It is usually some type of solid lightweight material used in-between the layers of fiber reinforced matrix forming a type of sandwich structure

A
  • Core
66
Q

The alignment of the fibers to the baseline set by the manufacturer for the perpendicular component.

A

Orientation

67
Q

A manufacturing method that uses a two-part mold with dry fabric laid into mold and sometimes referred to as liquid molding

A

Resin Transfer Molding (RTM)

68
Q

These are probably the most widely accepted form of applying heat to a composite component for repair work using thermocouple and controller or hot bonding machine to regulate the amount of heat

A

HEAT BLANKETS

69
Q

is placed on one side of the repair and it allows air to flow through it and through the vacuum valve, and it is used to prevent to seal itself by sticking to the area to be repaired

A

BREATHER

70
Q

It holds the fluid, which is usually hydraulic oil. It also protects the fluid from getting contaminated, which is critical to ensure the hydraulic system functions optimally

A

Hydraulic reservoir

71
Q

Which fuel has the highest vapor pressure?

A

JET A

72
Q

Excessive oil pressure can lead to

A
  • Engine damage or failure
73
Q

Kerosene is widely used in

A

Gas Turbine Engines

74
Q

Fuel system classification that requires two pumps in order to deliver the fuel under pressure

A

Fuel pump / Pump feed system

75
Q

It is the resistance of fluid to flow

A

Viscosity

76
Q

Oil system classification that uses scavenge pump-

A

Dry sump

77
Q

Before flight, it is important to check the oil quantity level by using

A

Dipstick

78
Q

During normal operations, the fuel selector valve is- at ______ position

A

both

79
Q

It controls pitch about the lateral axis.

A

Elevator

80
Q

When pulling the control yoke, the nose goes

A

UP

81
Q

When the left aileron deflected upward and right aileron deflected downward, Where is the aircraft turn?

A

Left

82
Q

It is attached to the trailing edge of the wing, increase both lift and induced drag for any given AOA

A

Flaps

83
Q

This results in the aircraft yawing toward the opposite direction of the aircraft turn when banking which had experienced an increase in lift (and drag).

A

Adverse Yaw

84
Q

It is used to determine the amount of tension on a cable.

A

Tensiometer or tension meter

85
Q

It is a manual flight control system that uses a collection of mechanical parts such as pushrods, tension cables, pulleys to control the system.

A

Mechanical Flight Control System

86
Q

FCC stands for what?-

A

Flight control computer

87
Q

This type of corrosion occurs when two dissimilar metal contacts

A

Galvanic Corrosion

88
Q

This type of corrosion is an attack along the grain boundaries of an alloy and commonly results from a lack of uniformity in the alloy structure

A

Intergranular Corrosion

89
Q

Major corrosive agents existing in atmosphere air are

A

oxygen and airborne moisture

90
Q

Type of corrosion that is an advanced form of intergranular corrosion and shows itself by lifting up the surface grains of a metal by the force of expanding corrosion products occurring at the grain boundaries just below the surface.

A

Exfoliation Corrosion

91
Q

It is an attack resulting from a direct expo-sure of a bare surface to caustic liquid or gaseous agents.

A

Direct Chemical Attack or Direct Chemical Corrosion

92
Q

The process inspection of using the eye

A

Visual Inspection

93
Q

Process of inspection that involves high-frequency sound waves from a transmitting transducer being transmitted into or on

A

Ultrasonic Inspection

94
Q

A location of corrosion where because of their elevated temperature, corrosion forms in this location extremely rapidly.

A

Engine Exhaust Area

95
Q

An airplane wing is designed to produce lift resulting from relatively

A

positive air pressure below and above the wing’s surface

96
Q

Bernoulli’s principle

A

The pressure of a fluid decreases at points where the velocity of the fluid increases.

97
Q

The purpose of aircraft wing dihedral is to

A

increases lateral stability

98
Q

Which part(s) of a semi monocoque fuselage prevent(s) tension and compression from bending the fuselage?

A

Longerons and stringers

99
Q

The auxiliary (tail) rotor of a helicopter permits the pilot to compensate for and/or accomplish which of the following?

A

Torque and directional control

100
Q

The vertical flight of a helicopter is controlled by

A

collective pitch changes

101
Q

In a hovering helicopter equipped with a tail rotor, directional control is maintained by

A

varying the pitch of the tail rotor blades.

102
Q

The acute angle formed by the chord line of a wing and the relative wind is known as the

A

angle of attack

103
Q

The monocoque fuselage relies largely on the strength of

A

skin or covering

104
Q

Main rotor blades that do not cone by the same amount during rotation are said to be out of

A

track

105
Q

As the angle of attack of an airfoil increase, the center of pressure will

A

moves toward the leading edge

106
Q

An airplane which has good longitudinal stability should have a minimum tendency to

A

pitch

107
Q

An airplane’s center of lift is usually located aft of its center of gravity

A

so that the airplane will have a nose heavy tendency

108
Q

To focus on a near object, the lens of eye

A

Be widened

109
Q

What part of the eye controls the amount of light that is allowed to enter the eye?

A

iris

110
Q

Which of the following is least associated with the study of human factors?

A

Health and safety

111
Q

Who has the authority to approve for return to service a powerplant or propeller or any part thereof after a 100-hour inspection?

A

A mechanic with a powerplant rating

112
Q

Murphy’s law

A
  • If something can go wrong it will
113
Q

For a person with normal Circadian rhythms, the body temperature will be lowest

A

between 3 and 5 o’clock in the morning

114
Q

Long shift work decreases the

A

ability to recognize defects

115
Q

The scientific study of measurements of the human body is known as

A

Anthropometrics

116
Q

The impact of human factors and human error is most important to

A

It is equally important to pilots, technicians, engineers, planners and managers

117
Q

At what distance should a person without hearing difficulties be able to hear an average conversational voice in a quiet room?

A
  • 6 feet or 2 meters
118
Q

Where is the record of compliance with Airworthiness Directives or manufacturers’ service bulletins normally indicated?

A

Aircraft maintenance records

119
Q

During an annual inspection, if a defect is found which makes the aircraft unairworthy, the person disapproving must

A

provide a written notice of the defect to the owner

120
Q

After a mechanic holding an airframe and powerplant rating completes a 100-hour inspection, what action is required before the aircraft is returned to service?

A

Make the proper entries in the aircraft’s maintenance record.

121
Q

What FAA-approved document gives the leveling means to be used when weighing an aircraft?

A

(TCDS) Type Certificate Data Sheet

122
Q

Which is an appliance major repair?

A

Overhaul of a hydraulic pressure pump.

123
Q

Removal of alcohol from the bloodstream

A

cannot be speeded up (STAYS THE SAME)

124
Q

Color Code for a 1/8” (3.2 mm) Cleco Fastener

A

Copper

125
Q

The replacement of fabric on fabric- covered parts such as wings, fuselages, stabilizers, or control surfaces is considered to be a

A

major repair even though no other alteration or repair is performed

126
Q

Airworthiness Directives are issued primarily to

A

corrects an unsafe condition

127
Q

Which is classified as airframe major repair?

A

-The splicing of skin sheets.
-Installation of new engine mounts obtained from the aircraft manufacturer.
-Any repair of damaged stressed metal skin.

128
Q

The useful load of an aircraft consists of the

A

crew, usable fuel, passengers, and cargo

129
Q

When dealing with the weight and balance of an aircraft, the term “maximum weight” is interpreted to mean the maximum

A

authorized weight of the aircraft

130
Q

In the theory of weight and balance, what is the name of the distance from the fulcrum to an object?

A

Lever arm

131
Q

What type of measurement is used to designate arm in weight and balance computation?

A

distance

132
Q

What determines whether the value of the moment is preceded by a plus (+) or a minus (-) sign in aircraft weight and balance?

A

The result of a weight being added or removed and its location relative to the datum.

133
Q

Which of the following is correct?
(1) Private aircraft are required by regulations to be weighed periodically
(2) Private aircraft are required to be weighed after making any alteration.

A

2

134
Q

Which of the following can provide the empty weight of an aircraft if the aircraft’s weight and balance records become lost, destroyed, or otherwise inaccurate?

A

Reweighing the aircraft

135
Q

What tasks are completed prior to weighing an aircraft to determine its empty weight?

A

Remove all items except those on the aircraft equipment list; drain fuel and fill hydraulic reservoir.

136
Q

Color Code for a 3/32” (2.4 mm) Cleco Fastener

A

SILVER (ZINC)

137
Q

The maximum weight of an aircraft is the

A

empty weight plus crew, maximum fuel, cargo, and baggage

138
Q

What is the common configuration for pneumatic rivet gun?

A

1x

139
Q

When computing weight and balance, an airplane is considered to be in balance when

A
  • the average moment arm of the loaded airplane falls within its CG range.

CPE (7 decks)

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