Volume 3. CDC 2a353 - F-16/F-117 Aircraft Maintenance

1. The F-16's flight control accumulators are

Bladder-type

Cartridge-type

Piston-type

Port-type

2. What does the F-16's arresting hook caution light indicate?

Arresting hook is up and locked

Arresting hook is not up and locked

Brake failure, deploy hook immediately

Arresting hook pneumatic reservoir low

3. The F-16's OXY LOW warning light illuminates

At a LOX quantity level of less than 0.9 liters

At a LOX quantity level of less than 0.5 liters

When LOX pressure drops below 55 psig

When the reserve liquid oxygen (LOX) supply is being used

4. The F-16's flaperons extend as flaps when the

Control stick is positioned left

Control stick is positioned right

Leading edge flaps are streamline

Aircraft is in the takeoff or landing configuration

5. Which F-16 main landing gear component houses the downlock mechanism?

Drag brace

Shock strut

Tension strut

Positioning collar

6. The F-16's emergency power unit provides a self-contained backup source of

Aircraft electrical and hydraulic power

Thrust

Bleed air

System B hydraulic power

7. T F-16 components control landing gear and door operations to prevent interferences during extension and retractions?

Sequence valves

Selector valves

Shutter valves

Check valves

8. On the F-16, one benefit of the modular construction of the F100-PW-220 engine is the case of removal and replacement of

The engine from the airframe

Engine controls

Defective engine blades

Faulty engine sections

9. All metal parts of the F-16's hydrazine fuel tank are constructed of

Chromium

Kevlar

Stainless steel

Aluminum

10. What system malfunction causes the F-16's liquid oxygen quantity indicator to rotate counterclockwise?

Oxygen pressure leak

Moisture in the converter

Short to ground in the high voltage side of the circuit

Shorted probe

11. Which F-16 flight control component contains microprocessor circuitry that provides a nonvolatile memory storage capability?

Flight control panel

Flight control computer

Mal/lateral accelerometer

Side-slip pressure differential sensor

12. The F-16's liquid oxygen fill valve is always in the BUILDUP position except

When 100 percent oxygen is selected

When the wieght on wheels switch is depressed

During servicing

During an over pressurization of the oxygen system

13. A path from the liquid oxygen probes to the quantity indicator on the F-16 is provided by the

Oxygen probes

The oxygen low pressure switch

Coaxial cables

The oxygen quantity relay

14. On the F-16, the voids and clearances between the center conductor and the outer tube of the fire detection set sensing elements are filled with

Sealant

Halon

A temperature sensitive salt mixture

Asbestos

15. The fluid quantity gage on the F-16's hydraulic system A reservoir displays what quantity of measure?

Half-pints

Pints

Liters

Percent of full fluid level

16. The F-16's nosewheel steering subsytem provides turning capablility for the aircraft while is is on the ground, allowing the aircraft to turn

20 degrees left or right

32 degrees left or right

27 degrees left or right

21 degrees left or right

17. On the F-16, areas that are normally adjacent to fuel tanks or fuel lines and have no means of air circulation even though they are drained are considered

External vented areas

Internal nonvented areas

External nonvented areas

Internal vented areas

18. The F-117's oxygen system low-level switch senses when the liquid quantity in the system decreases to

0.1 liter

0.5 liter

1 liter

5 liters

19. To prevent ignition of fuel vapor, the fuel inerting system on the F-117 uses

Carbon monoxide

Nitrogen

Halon

Carbon dioxide

20. The internal fuel storage system on the F-16 consists of

Five fuel tanks

Seven fuel tanks

Nine fuel tanks

Six fuel tanks

21. Which F-16 fuel system valve provides a redundant means of allowing air into the vent tank, thus guarding against instances of negative pressure within the fuel tanks?

Negative pressure relief

Automatic drain

Internal tank vent and pressurization

External tank vent and pressurization

22. Which componetns of the F-16's brake assembly are keyed on their outside diameters to the wheel?

End plates

Rotating discs

Stationary discs

Torque tubes

23. Prebraking of the F-16's main wheels is provided to

Shorten aircraft stopping distances

Ready the brakes for high-temperature condtions

Self-test the brakes prior to landing

Eliminate gyroscopic moments applied to the main landing gear during retraction

24. The F-16's emergency generator supplies power to the

Monitor buses

Emergency buses

Essential buses

Battery buses

25. How is the F-16 landing gear handle locked in the UP position?

Hydraulically

Pneumatically

Electrically

Mechanically

26. What warns the F-16 pilot of an anti-skid system failure?

Sinking brake pedals

Warning horn

Caution light

Heads up display

27. The delivery rating of one of the F-16 accessory drive gearbox-mounted hydraulic pumps is

36.5 GPM at 4000 psi

16.5 GPM at 3000 psi

27.5 GPM 4000 psi

42.5 GPM at 3100 psi

28. The F-16's brake control unit receives electircal signals

Only from the anti-skid control unit

Only from the brake pedal position transducers

Directly from the wheel speed sensors

From the brake pedal position transducers and the anti-skid control unit

29. Upon landing, the F-16's leading edge flaps are automatically positioned to

25 degrees down

2 degrees down

2 degrees up

Streamlined

30. The F-16's emergency power unit's operation in the bleed air mode is intended to be

Used for in-flight emergencies

A last chance source of emergency power

A way to extend flight time

Used for ground functional test

31. What F-16 landing gear component(s) free fall(s) in to the extended position?

MLG Doors

NLG Doors

Main landing gear (MLG)

Nose landing gear (NLG)

32. The F-16 main landing gear downlock mechanism holds the drag brace on center with an actuator

Latch

Rod end

Spring

Check valve

33. The capacity of an F-16's oil tank with the F110-GE-100 engine is

20 pints

28 pints

2.0 gallons

3.0 gallons

34. On the F-117, the nosewheel steering (NWS) caution light illuminates to indicate

Hydraulic power has been lost

NWS has been disengaged

AC power has been lost

AC and DC power has been lost

35. The F-16's liquid oxygen fill valve is a combination fill, buildup, and

Relief valve

Vent valve

Solenoid valve

Control valve

36. Which does not have quadruple-redundancy input signals into the F-16 flight control computer?

Air data

Trim commands

Autopilot

Basica pilot commands

37. Each of the external wing tanks on the F-16 holds

370 gallons of fuel

300 pounds of fuel

370 pounds of fuel

300 gallons of fuel

38. During F-117 landing gear retractions, how long is hydraulic pressure maintained in the main and nose gear actuators?

Until all door latches are fully locked

Throughout flight

Until 3000 psi builds up in the system

Until the control handle is placed DOWN

39. How long does pure halon flow to the fuel tanks before the F-16's fuel inerting shutoff valve (B) closes?

25 minutes

30 minutes

20 seconds

15 seconds

40. How many separate fluid chambers are in the F-16's hydraulic system A reservoir?

Three

One

Two

Four

41. The F-16's jet fuel starter motor anticavitation check valve prevents motor cavitation by directing flow to the motor inlet whenever return pressure

Equals inlet pressure

Drops to zero

Exceeds inlet pressure

Exceeds 85 psi

42. The F-16 nose landing gear shock strut is connected to the aircraft by

Trunnion bolts

Self-Contained trunnion pins

Self-locking bearing sleeves

Flange nuts

43. What provides the F-16's flight controls with artificial feel?

Five integrated servoactuators

Side-slip differential pressure signals

G-force sensors within the flight control computer

Beams and coil springs within side-stick controller transducers

44. How many fuselage fuel tank drain valves are on the F-16?

Five

Fourteen

Eleven

Seven

45. The fire detection set sensing elemenets on the F-16 have an alarm temperature of

575 deg F

400 deg F

875 deg F

765 deg F

46. Normally, the left feed tank on the F-117 supplies fuel to the

Right engine

Left engine

Right forward transfer tank

Left forward transfer tank

47. At what pressure does the F-16's emergency power unit nitrogen valve regulate nitrogen pressure?

500 (+- 50) psig

400 (+- 20) pounds per square inch gage (psig)

3000 (+- 100) psig

4000 (+- 100) psig

48. The F-16's liquid oxygen system heat exchanger is mounted

Under the left console in each cockpit

In the aft fuel reservoir

Under the right console in each cockpit

On the underside of the converter mounting tray

49. On an F-16, flammable vapor air mixture for JP-8 are possible at all temperature above

140 deg F

-20 deg F

-120 deg F

100 deg F

50. If the F-16's F100-PW-220's digital electronic engine control fails, engine control transfers to

The engine diagnostic unit

Electrohydraulic servo valves

Secondary mode of operation

The pilot

51. What symbol does the F-16 head up display project when a fire condition is detected?

CAUTION

FIRE

WARN

ENG OVERTEMP

52. Which valves in the F-16's hydraulic system B prevent fluid flow from one jet fuel starter (JFS)/brake accumulator to the other?

JFS dump

JFS pressure check

JFS relief

JFS motor anticavitation check

53. The F-16's hydraulic pressure indicator consists of a direct-reading dial with graduations from 0 to

6,000 psi

5,000 psi

4,000 psi

3,000 psi

54. The F-16's landing gear hydraulic isolation valve isolates the landing gear portion of hydraulic system B from the rest of the system to reduce hydraulic system

Combat vulnerability

Pump wear

Back pressure

Pressure loss during high-G maneuvers

55. Which component of the F-16's nosewheel steering system transforms the pilot's steering commands to electrical signals that drive the hydraulic linear actuator?

Command potentiometer

Feedback potentiometer

Steering control valve

Steering control box

56. Which F-16 flight control system electronic malfunction light(s) remain(s) on until the malfunction is cleared, regardless of the caution light reset action taken?

P,R, and Y

FLT CTRL SYS

MASTER CAUTION

Servo MAL

57. A thermal valve in the F-16's fuel system heat exchanger outlet prevents the fuel temperature from exceeding

300 deg F

200 deg F

250 deg F

350 deg F

58. On the F-16, the F100-220 engine compressor contains

Seven stages of low-pressure compression and 13 stages of high-pressure compression

Two stages of low-pressure compression and 11 stages of high-pressure compression

Three stages of low-pressure compression and 10 stages of high-pressure compression

Five stages of low-pressure compression and nine stages of high-pressure compression

59. After initial ignition, the main ignition spark on the F-16's F100-PW-220 engine is suppressed by

Two shorting switches within the main fuel control

Combustion chamber pressure

The light-off detector

The digital electronic engine control

60. What two types of flight control movements are controlled by the F-117's elevons?

Pitch and yaw

Roll and yaw

Pitch and roll

Yaw and attitude

61. On the F-117 aircraft, what are mounted on the F404-GE-F1D2's fan stator at the 5 and 8 o'clock positios?

Two anti-icing manifolds

Two fuel driven manifolds

Two fan speed (N1) transmitters

Two actuating rings

62. How many mechanical rotary actuators are located on each F-16 wing leading edge?

One

Two

Three

Four

63. Which switch provides a way of testing the F-16's fuel temperature subsystem?

FUEL QUANTITY SELECT switch on the fuel quantity select panel

FUEL HOT test switch on the ground test panel

FUEL HOT test switch on the fuel quantity select panel

FUEL QUANTITY SELECT switch on the ground test panel

64. Which valve in the F-16's hydraulic system A ensures emergency power unit (EPU) pump flow is not supplied to the ground test stand if connected during EPU operation?

Ground test manifold pressure check

Ground pressure check

Pump pressure check

Reservoir service manifold relief

65. What F-16 arresting hook component provides a means of locking and releasing the arresting hook?

Arresting hook uplock roller

HOOK switch

Arresting hook actuator

Arresting hook solenoid valve

66. While the F-16 is in landing configuration, each speed-brake surface only opens to

23 degrees

120 degrees

60 degrees

43 degrees

67. Which F-16 fuel tanks equally provide fuel to the engine on demand?

F1 and A1

F2 and A1

Forward and aft reservoirs

Forward reservoir and A1

68. How long can the F-16's emergency power unit operate in the monopropellant mode?

20 minutes

10 minutes

30 minutes

As long as required

69. The hydraulic pressure transmitters on the F-16 are located

In the right MLG wheel well only

In the left MLG wheel well only

In the right and left main landing gear (MLG) wheel wells

On each system's hydraulic pump

70. On each F-16 main landing gear shock strut, the air valve faces

Inboard and the uplock roller lugs face aft.

Outboard and the uplock rollers lugs face aft.

Inboard and the uplock roller lugs face forward

Outboard and the uplock roller lugs face forward

71. What provides the refuel receptable with an emergency disconnect feature during F-16 aerial refueling?

Signal amplifier

Pressure relief valve

Arc suppresser

Hydraulically actuated latches

72. What is the main electrical component of the F-16's emergency power unit (EPU) system?

Emergency generator

Speed controller

EPU/GEN test switch

Mode switch

73. At what pressure does the F-16 fuel flow proportioner operate?

29 - 36 psi

50 - 60 psi

19 psi minimum

30 - 40 psi

74. Which component of the F-16's nosewheel steering system routes signals to the steering controld box indicatin the position of the hydraulic linear actuator?

Variable resistor

Command potentiometer

Steering control valve

Feedback potentiometer

75. All F-16 control surface actuators, the leading edge flap power drive unit, and the integrated servo actuators utilize power from

Hydraulic system B only

Hydraulic system A only

Hydraulic systems A and B

Hydraulic system A, except when the emergency hydraulic pump is operating

76. What indication does the F-16 pilot receive from the OXY FLOW indicator when oxygen is flowing within the system?

Steady white

Cross-hatch barberpole

Green

Blinking

77. What prevents fluid loss when the filter bowl and element are removed from the F-16's hydraulic system A pressure manifold?

Internal shutoff valve

Gravity

Check valve

Hydraulic fuse

78. The fuel scavenge pumps on the F-16 move the residual fuel to the

Aft reservoir

F1 fuel tank

A1 fuel tank

Forward reservoir

79. On an F-16, which fuel leak conditions do not require immediate repair?

Conditions 3 and 4

Conditions A and B

Conditions C and D

Conditions 1 and 2

80. Into which fuel tanks does the F-16 external centerline transfer fuel?

A1 and F2

Forward and aft reservoir

Left and right internal wing

A1 and F1

81. Which F-117 flight control computer input signal is received by way of a single channel?

Rudder pedals

Autopilot

Control stick

Probe assemblies

82. What serves as a central interface for the upper and lower oxygen supply hoses, vest hose, and emergency oxygen hose on F-16's modified with the pressure breathing for gravity system?

Oxygen distribution manifold

Integrated terminal block

Oxygen mask to regulator connector

Oxygen pressure regulator

83. Which valve on the F-16 relieves excessive hydraulic pressure due to thermal expansion into system return?

Reservoir service manifold fill check

Reservoir service manifold pressure check

Reservoir dump

Reservoir service manifold relief

84. The dual pointer markers on the F-16's fuel quantity indicator are labeled

LT and RT

FL and AR

FWD and AFT

FR and AL

85. On the F-16, what is the position of the F110-GE-100's anti-ice valve when electrical power is removed?

Closed

Open when the temperature is less than 35 deg F; closedwhen the temperature is warmer than 35 deg F

Open

Last position prior to power being removed

86. Emergency extension of the F-117's landing gearis achieved through the use of

A hydraulically powered release system

A pneumatically powered release system

A cable-operated release system

An electrically powered release system

87. Which of the four F-117 nose mounted probe assemblies is slightly smaller than the other three?

Channel C

Channel B

Channel A

Channel D

88. On an F-16 with an F110-GE-100 engine, which condition causes the F-16's ENGINE warning light to illuminate?

Engine bay temperature of 765 deg F

Engine revolutions per minute of 59 percent

Fan turbine inlet temperature of 990 deg C

Low oil pressure

89. After any left or right deflection, the tail hook on the F-117 is returned to the centered position by the

Tail hook actuator

Clevis

Swivel fitting

Preloaded shock absorber

90. The F-16's hydraulic system A pressure filter manifold is located

In the power drive unit bay

In the left MLG wheel well

On the accessory drive gearbox

In the right MLG wheel well

91. The ground air service connector for the F-16 fuel tnk pressurization is located

On the external centerline tank pylon assembly

Inside the vent tank

In the left main landing gear wheel well

In the right main landing gear wheel well

92. The fuel boost pumps on the F-117 operate

When the FEED SOURCE switch is positioned to ON

Anytime the tank has more than 400 pounds of fuel remaining

Anytime AC power is supplied to the aircraft

Anytime DC power is supplied to the aircraft

93. On the F-117, the electronic processor unit for the Structural Tracking and Engine Monitoring System is powered by

AC power

AC and DC power

28 VDC

The engine generator

94. Hydraulic fluid for operation of the F-16's speed brakes is supplied by hydraulic

Systems A and B

System A only

System B only

System A, except when the emergency hydraulic pump is operating

95. On the F-16, the hydraulic power required for normal operation during main landing gear retraction is supplied by

Hydraulic system B only

Hydraulic system A only

Both hydraulic system A or B

Either hydraulic systems A or B

96. The F-16's aileron rudder interconnect gain is a variable function of

Angle-of-attck and altitude

Angle-of-attack and Mach number

Mach number and altitude

Mach number and aircraft attitude

97. On the F-117 aircraft, pressurized air from the air pressure regulator is introduced directly into the

Aft transfer tanks

Vent pressure control valves

Vent box

Forward feed tanks

98. The vent and pressurization valve for the F-16's external fuel tank is located on the inside of the

Left main landing gear wheel well

External centerline tank pylon assembly

Vent tank

Right main landing gear wheel well

99. The tail hook air bottle on the F-117 is charged by

The auxillary power unit

The pressurized air start system

Engine bleed air

The emergency power unit

100. Braking force on the F-117 is transmitted to each main landing gear wheel by

Three rotating disks

Three stationary disks

Four rotating disks

Four stationary disks

101. What F-117 component contains test control switches and an alphanumeric message display that tells maintenance personnel to perform certain flight control test operations?

Flight controll computer

Probe assembly

Flight control system panel

Integrated servo actuator

102. How many mounting pads provide for the attachment of the F-117's airframe mounted accessory drive to the airframe?

Four

One

Two

Three

103. The oil level in which F-117 component can be checked by pressing a CHECK switch?

Aircraft mounted accessory drive

Pressurized air start system

Auxillary power unit

Emergency power unit

104. The F-117's fuel low level sensing thermistors are mounted

Forward and aft in each transfer tank

Directly above the other in each feed tank

Forward and aft in each feed tank

Directly above the other in each transfer tank

105. The fuel scavenge pumps on the F-16 receive their power from

Hydraulic system A

Hydraulic system B

Fuel bled off the transfer pumps

Fuel bled off the boost pump

106. The F-16 landing gear selector valve is a

Three position valve with a pneumatically operated bypass

Two position valve with an electrically operated bypass

Two position valve with a pneumatically operated bypass

Three position valve with an electrically operated bypass

107. Hydraulic power system No. 1 on the F-117 is divided into subsystems 1A and 1B by

Hydraulic pumps 1R and 1L

Reservoir No. 1

The pressure filter manifold

A flow divider installed in the return fluid flow

108. How many flight control integrated servo actuators are on the F-117?

Seven

Six

Five

Four

109. Which F-16 flight control component receives signals from the angle- of attack transmitters?

Pneumatic sensor assembly

Leadin edge flap command servo

Electronic component assembly

Manual trim panel

110. What is the alarm temperature of the overheat sensing elements located in the F-117's engine compartments?

400 deg F

310 deg F

1050 deg F

765 deg F

111. How many pressure sensors does the F-16 pneumatic sensor assembly contain?

Eight

Two

Four

Six

112. During activation of the F-117's emergency power unit, automatic operation of the auxillary generator is controlled by

Low-power relays

The altitude pressure switch

Airspeed indicators

The relative state of charge of the battery

113. What provides a redundant means of relieving excess pressure should the F-16's fuel system internal vent and pressurization valve fail?

Negative pressure relief valve

External tank vent and pressurization valve

Remote sensing relief valve

Automatic drain valve

114. The F-117's emergency power unit can be manually operated from the control switches in the

Right weapons bay

Right MLG wheel well

Left MLG wheel well

Left weapons bay

115. How many controlling servo valves are contained in each F-117 integrated servo actuator?

Five

Three

Four

Six

116. On the F-117, how many turbine stages drive the fan rotor on the F404-GE-F1D2 engine?

Four

Two

One

Three

117. The F-16 jet fuel starter/brake integral externally-powered, manually-operated hydraulic pump draws hydraulic fluid from the

B system return filter manifold

B system reservoir

B system pressure filter manifold

A system return filter manifold

118. The F-16's hydraulic linear actuator receives hydraulic pressure from

Hydraulic system B only

Hydraulic system A only

Either hydraulic system A or B

Both hydraulic systems A and B

119. The responder portion of each fire detector element on the F-117 contains two

Heat sensitive relays

Thermocouples

Pressure-operated switches

Potentiometers

120. The F-117 Halon reservoir relief valve is designed to crack open at

800 psi

900 psi

600 psi

400 psi

121. What F-16 landing gear compenent prevents extend hydraulic pressure from reaching the nose landing gear (NLG) retract actuator until the NLG door is open?

NLG door sequence valve

NLG downlock switch

Landing gear selector valve

NLG mecanical sequence valve