2A353 Volume 3 Flashcards Preview

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Flashcards in 2A353 Volume 3 Deck (124):
1

The F-16s emergency power unit provides a self-contained back up source of

Aircraft electrical and hydraulic power

2

How long Can the F-16 emergency power unit operate in the monopropellant mode

10 minutes

3

The f-16s emergency power units operation in the bleed air mode is intended to be

Use for ground functional test

4

What is the main electrical component of the F-16s emergency power unit system

Speed controller

5

All metal parts of the 16s hydrazine fuel tank are constructed of

Stainless steel

6

At what pressure does the F-16s emergency power unit nitrogen valve regulate nitrogen pressure

400+ or -20 pounds per square inch

7

The F-16s emergency generator supplies power to the

Essential buses

8

The 16s liquid oxygen fill valve is a combination fill, build up, and

Vent valve

9

The 16s liquid oxygen fill valve is always in the buildup position except

During servicing

10

The 16s liquid oxygen system heat exchanger is mounted

Under the right console in each carpet

11

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

Integrated terminal block

12

What indication does the F-16 pilot receive from the OXY flow indicator when oxygen is flowing within the system

Blinking

13

A path from the liquid oxygen probes to the quantity indicator on the 16 is provided by

Coaxial cables

14

The 16 OXY LOW Warning light illuminates

At a LOX quantity level of less than .5 Liters

15

What system malfunction causes the 16s liquid oxygen quantity indicator to rotate counterclockwise

Short to ground in the high-voltage side of the circuit

16

On the 16 the voids in clearances between the center conductor and the outer tube of the fire detection set sensing element are filled with

A temperature sensitive salt mixture

17

The fire detection set sensing element on the F-16 have an alarm temperature of

765°F

18

What symbol does the F-16 heads up display project when a fire condition is detected

WARN

19

How long does pure halon flow to the fuel tanks before the F-16s Fuel inerting shut off valve closes: 15 seconds, 20 seconds, 25 minutes, 30 minutes

20 seconds

20

How many separate fluid chambers are in the F-16s hydraulic system a reservoir: One, two, three, or four?

Two

21

The fluid quantity gauge on the 16s hydraulic system A reservoir displays what quantity of measure

Percent of full fluid level

22

Which valve on the F-16 releases excessive hydraulic pressure due to thermal expansion into system return

Reservoir service manifold relief

23

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

42.5 GPM at 3100 psi

24

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

In the right main landing gear wheelwell

25

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

Internal shut off valve

26

The 16s flight control accumulators are

Piston type

27

Which valve in the 16s hydraulic system A ensures emergency power unit pump flow is not supplied to the ground test stand if connected during EPU operation

Ground test manifold pressure check

28

Hydraulic fluid for operation of the 16 speedbrake is supplied by hydraulic

A system only

29

Which valves in the F-16 hydraulic system B prevent fluid flow from one jet fuel starter brake accumulator to the other

JFS pressure check valves

30

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

Exceeds inlet pressure

31

F-16's Jet fuel starter/brake integral externally powered, manually operated hydraulic pump draws hydraulic fluid from the: b system pressure filter manifold, b system return filter manifold, a system return filter manifold, or B system reservoir

B system return filter manifold

32

The hydraulic pressure transmitters on the F-16 Are located

In the left and right main landing gear wheel wells

33

The F-16s hydraulic pressure indicator consists of a direct reading dial with graduations from zero to: 3000 PSI, 4000 PSI, 5000 psi, or 6000 PSI

4000 PSI

34

On the F-16 the hydraulic power required for normal operation during main landing gear retraction is supplied by: A,B,Both, Either?

Hydraulic system B only

35

What F-16 landing gear component free falls into extended Position

Main landing gear

36

Which F-16 main landing gear component houses the down lock mechanism

Drag brace

37

The F-16 Main landing gear down lock mechanism holds the drag brace on center with an actuator

Spring

38

On each 16 main landing gear shock strut, the air valve faces

Outboard and the block roller lugs face forward

39

The 16 nose landing gear shock strut is connected to the aircraft by

Self-contained trunnion pins

40

What 16 components control landing gear and door operations to prevent interference during extension and retraction

Sequence valves

41

How is the 16 landing gear handle locked in the up position

Mechanically

42

The 16 landing gear selector valve is a

Two position valve with a pneumatically operated bypass

43

F-16s 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

44

What F-16 landing gear component prevents extend hydraulic pressure from reaching the nose landing gear Retract actuator until the NLG door is open: Nose landing gear down lock switch, nose landing gear door sequence valve, landing gear selector valve, or nose landing gear mechanical sequence valve?

NLG mechanical sequence valve

45

Which components of the F-16s brake assembly are keyed on the outside diameters to the wheel

Rotating disks

46

The 16s brake control unit receives electrical signals

From the brake pedal position transducers and antiskid control unit

47

What warns the F-16 pilot of an antiskid system failure

Caution light

48

Prebaking of the 16 main wheels is provided to

Eliminate gyroscopic moments applied to the main landing gear during retraction

49

F-16 solenoid operated parking valve ports hydraulic pressure from system B or

One brake accumulator to one set of brake pistons in each wheel brake assembly

50

F-16 arresting hook is

Electrically controlled and pneumatically actuated

51

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

Arresting hook up lock roller

52

What does the F-16 arresting hook caution light indicate

Arresting hook is not up and locked

53

F-16s nosewheel steering subsystem provides turning capability for the aircraft while it is on the ground allowing the aircraft to turn

32° left or right

54

Which component of the 16s nosewheel steering system transforms the pilots steering commands to electrical signals that drive the hydraulic linear actuator

Command potentiometer

55

Which component of the F-16s nosewheel steering system routes signals to the steering control box indicating the position of the hydraulic linear actuator

Feedback potentiometer

56

F-16s hydraulic linear actuator receives hydraulic pressure from

Hydraulic system B only

57

All F-16 control surface actuators, the Leading edge flap power drive unit, and the integrated servo actuators utilize power from: B only, A only, both, or A except when emergency hydraulic pump is operating

Hydraulic systems A And B

58

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

Autopilot

59

Which F-16 flight control component contains microprocessor circuitry that provides a non-volatile memory storage capability

Flight control computer

60

What provides the 16's flight controls with artificial feel

Beams and coil springs within sidestick controller transducers

61

Which F-16 flight control system electronic malfunction light remains on until malfunction is cleared, regardless of the caution light reset action taken

P, R, and Y

62

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

Electronic component assembly

63

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

Eight

64

The 16s flaperons extended as flaps when the

Aircraft is in the takeoff or landing configuration

65

F-16s aileron rudder interconnect gain is a variable function of

Angle of attack and Mach number

66

While the F-16 is in landing configuration, each speedbrake surface only opens to

43°

67

How many mechanical rotary actuators are located on each 16 wing leading edge

Four

68

Upon landing, the 16s leading-edge flaps are automatically position to

2° up

69

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

Seven fuel tanks

70

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

370 gallons of fuel

71

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

Seven

72

Which 16 fuel tanks equally provide fuel to the engine on-demand

Forward and aft reservoir

73

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

Left and right internal wing

74

What provides the refuel receptacle with an emergency disconnect feature during F-16 aerial refueling

Pressure relief valve

75

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

Forward reservoir

76

The fuel scavenge pumps on the 16 receive their power from

Fuel bled off the boost pumps

77

The 16s fuel flow proportioner is powered by

Hydraulic system A

78

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

19 psi

79

A thermal valve on the 16s fuel system heat exchanger outlet prevents the fuel temperature from exceeding

200°F

80

The vent and pressurization valve for the 16s External fuel tank is located on the inside of the

Vent Tank

81

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 valve

82

The ground air service connector For F-16 fuel tank pressurization is located

In the right main landing gear wheelwell

83

What provides a redundant means of relieving excess pressure should be F-16s fuel system internal vent and pressurization valve fail

Remote-sensing relief valve

84

Which switch provides a way of testing the F-16s fuel temperature subsystem

Fuel hot test switch on the ground test panel

85

The dual pointer markers on the 16th fuel quantity indicator are labeled

FR and AL

86

On the F-16 Flammable vapor air mixtures for JP-8 are possible at all temperatures above

100°F

87

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

Internal nonvented areas

88

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

Conditions one and two

89

On the F-16, the F 100 Pratt & Whitney 220 engine compressor contains

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

90

On the 16, one benefit of the modular construction of the Pratt & Whitney 220 engine is the Ease of removal and replacement of

Faulty engine sections

91

If the 16's Pratt & Whitney 220's digital electronic engine control fails, engine control transfers to

Secondary mode of operation

92

After initial ignition, the main ignition spark on the 220 engine is suppressed by

Combustion chamber pressure

93

On the F-16, what is the position of the F110 GE 100 anti-ice valve when Electrical power is removed

Open

94

On the F-16 with a GE 100 engine, which condition causes the F-16s engine warning light to illuminate

Engine revolutions per minute of 59%

95

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

3.0 gallons

96

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

Three

97

The oil level in which F-117 component can be checked by pressing a check switch

Auxiliary power unit

98

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

The altitude pressure switch

99

The F-117's emergency power unit can be manually operated from the control switches in the: Left main landing gear wheelwell, right main landing gear wheelwell, right weapons bay, or left weapons bay?

Left main landing gear wheel well

100

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

0.5 L

101

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

Pressure operated switches

102

What is the alarm temperature of the over heat sensing elements located in the F-117's engine compartment

400°F

103

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

Halon

104

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

600 psi

105

Hydraulic power system number one on the F-117 is divided into subsystems 1A and 1B by

Reservoir number one

106

During F-117 landing gear retraction, how long is hydraulic pressure maintained in the main and nose gear actuators

Until all door latches are fully locked

107

Emergency extension of the F-117's landing gear is achieved through the use of

A cable operated release system

108

On the F-117 nosewheel steering caution light illuminates to indicate

NWS has been disengaged

109

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

For rotating disks

110

After any left or right deflection the Tailhook on the F-117 is returned to the center position by the

Swivel fitting

111

The Tailhook air bottle on the F-117 is charged by

The pressurized air start system

112

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

Autopilot

113

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

Channel C

114

How many flight control integrated servoactuators are on the F-117

Six

115

How many controlling servovalves are contained in each F-117 integrated servo actuator

Three

116

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

Pitch and roll

117

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

Flight control system panel

118

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

Left engine

119

The fuel boost pumps on F-117 operate

Anytime AC power is supplied to the aircraft

120

The F-117 fuel low-level sensing thermistors are mounted

Directly above the other in each feed tank

121

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

Vent box

122

On the F-117 how many turbine stages drive the fan rotor on the F404 GE F1 D2 engine

One

123

On the F-117 aircraft what are mounted on the F404 GE F1D2 fan stator at the five and 8 o'clock positions

Two fan speed (N1) transmitters

124

On the F-117 the electronic processor unit for the structural tracking and engine monitoring system is powered by

28 VDC