Volume 3. CDC 2a353 - F-16/F-117 Aircraft Maintenance
Aircraft maintenance for F-16/F-117
- 1.
The F-16's emergency power unit provides a self-contained backup source of
- A.
Aircraft electrical and hydraulic power
- B.
Thrust
- C.
Bleed air
- D.
System B hydraulic power
Correct Answer
A. Aircraft electrical and hydraulic power -
- 2.
How long can the F-16's emergency power unit operate in the monopropellant mode?
- A.
20 minutes
- B.
10 minutes
- C.
30 minutes
- D.
As long as required
Correct Answer
B. 10 minutes -
- 3.
The F-16's emergency power unit's operation in the bleed air mode is intended to be
- A.
Used for in-flight emergencies
- B.
A last chance source of emergency power
- C.
A way to extend flight time
- D.
Used for ground functional test
Correct Answer
D. Used for ground functional test -
- 4.
What is the main electrical component of the F-16's emergency power unit (EPU) system?
- A.
Emergency generator
- B.
Speed controller
- C.
EPU/GEN test switch
- D.
Mode switch
Correct Answer
B. Speed controller -
- 5.
All metal parts of the F-16's hydrazine fuel tank are constructed of
- A.
Chromium
- B.
Kevlar
- C.
Stainless steel
- D.
Aluminum
Correct Answer
C. Stainless steel -
- 6.
At what pressure does the F-16's emergency power unit nitrogen valve regulate nitrogen pressure?
- A.
500 (+- 50) psig
- B.
400 (+- 20) pounds per square inch gage (psig)
- C.
3000 (+- 100) psig
- D.
4000 (+- 100) psig
Correct Answer
B. 400 (+- 20) pounds per square inch gage (psig) -
- 7.
The F-16's emergency generator supplies power to the
- A.
Monitor buses
- B.
Emergency buses
- C.
Essential buses
- D.
Battery buses
Correct Answer
C. Essential buses -
- 8.
The F-16's liquid oxygen fill valve is a combination fill, buildup, and
- A.
Relief valve
- B.
Vent valve
- C.
Solenoid valve
- D.
Control valve
Correct Answer
B. Vent valve -
- 9.
The F-16's liquid oxygen fill valve is always in the BUILDUP position except
- A.
When 100 percent oxygen is selected
- B.
When the wieght on wheels switch is depressed
- C.
During servicing
- D.
During an over pressurization of the oxygen system
Correct Answer
C. During servicing -
- 10.
The F-16's liquid oxygen system heat exchanger is mounted
- A.
Under the left console in each cockpit
- B.
In the aft fuel reservoir
- C.
Under the right console in each cockpit
- D.
On the underside of the converter mounting tray
Correct Answer
C. Under the right console in each cockpit -
- 11.
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?
- A.
Oxygen distribution manifold
- B.
Integrated terminal block
- C.
Oxygen mask to regulator connector
- D.
Oxygen pressure regulator
Correct Answer
B. Integrated terminal block -
- 12.
What indication does the F-16 pilot receive from the OXY FLOW indicator when oxygen is flowing within the system?
- A.
Steady white
- B.
Cross-hatch barberpole
- C.
Green
- D.
Blinking
Correct Answer
D. Blinking -
- 13.
A path from the liquid oxygen probes to the quantity indicator on the F-16 is provided by the
- A.
Oxygen probes
- B.
The oxygen low pressure switch
- C.
Coaxial cables
- D.
The oxygen quantity relay
Correct Answer
C. Coaxial cables -
- 14.
The F-16's OXY LOW warning light illuminates
- A.
At a LOX quantity level of less than 0.9 liters
- B.
At a LOX quantity level of less than 0.5 liters
- C.
When LOX pressure drops below 55 psig
- D.
When the reserve liquid oxygen (LOX) supply is being used
Correct Answer
B. At a LOX quantity level of less than 0.5 liters -
- 15.
What system malfunction causes the F-16's liquid oxygen quantity indicator to rotate counterclockwise?
- A.
Oxygen pressure leak
- B.
Moisture in the converter
- C.
Short to ground in the high voltage side of the circuit
- D.
Shorted probe
Correct Answer
C. Short to ground in the high voltage side of the circuit -
- 16.
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
- A.
Sealant
- B.
Halon
- C.
A temperature sensitive salt mixture
- D.
Asbestos
Correct Answer
C. A temperature sensitive salt mixture -
- 17.
The fire detection set sensing elemenets on the F-16 have an alarm temperature of
- A.
575 deg F
- B.
400 deg F
- C.
875 deg F
- D.
765 deg F
Correct Answer
D. 765 deg F -
- 18.
What symbol does the F-16 head up display project when a fire condition is detected?
- A.
CAUTION
- B.
FIRE
- C.
WARN
- D.
ENG OVERTEMP
Correct Answer
C. WARN -
- 19.
How long does pure halon flow to the fuel tanks before the F-16's fuel inerting shutoff valve (B) closes?
- A.
25 minutes
- B.
30 minutes
- C.
20 seconds
- D.
15 seconds
Correct Answer
C. 20 seconds -
- 20.
How many separate fluid chambers are in the F-16's hydraulic system A reservoir?
- A.
Three
- B.
One
- C.
Two
- D.
Four
Correct Answer
C. Two -
- 21.
The fluid quantity gage on the F-16's hydraulic system A reservoir displays what quantity of measure?
- A.
Half-pints
- B.
Pints
- C.
Liters
- D.
Percent of full fluid level
Correct Answer
D. Percent of full fluid level -
- 22.
Which valve on the F-16 relieves excessive hydraulic pressure due to thermal expansion into system return?
- A.
Reservoir service manifold fill check
- B.
Reservoir service manifold pressure check
- C.
Reservoir dump
- D.
Reservoir service manifold relief
Correct Answer
D. Reservoir service manifold relief -
- 23.
The delivery rating of one of the F-16 accessory drive gearbox-mounted hydraulic pumps is
- A.
36.5 GPM at 4000 psi
- B.
16.5 GPM at 3000 psi
- C.
27.5 GPM 4000 psi
- D.
42.5 GPM at 3100 psi
Correct Answer
D. 42.5 GPM at 3100 psi -
- 24.
The F-16's hydraulic system A pressure filter manifold is located
- A.
In the power drive unit bay
- B.
In the left MLG wheel well
- C.
On the accessory drive gearbox
- D.
In the right MLG wheel well
Correct Answer
D. In the right MLG wheel well -
- 25.
What prevents fluid loss when the filter bowl and element are removed from the F-16's hydraulic system A pressure manifold?
- A.
Internal shutoff valve
- B.
Gravity
- C.
Check valve
- D.
Hydraulic fuse
Correct Answer
A. Internal shutoff valve -
- 26.
The F-16's flight control accumulators are
- A.
Bladder-type
- B.
Cartridge-type
- C.
Piston-type
- D.
Port-type
Correct Answer
C. Piston-type -
- 27.
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?
- A.
Ground test manifold pressure check
- B.
Ground pressure check
- C.
Pump pressure check
- D.
Reservoir service manifold relief
Correct Answer
A. Ground test manifold pressure check -
- 28.
Hydraulic fluid for operation of the F-16's speed brakes is supplied by hydraulic
- A.
Systems A and B
- B.
System A only
- C.
System B only
- D.
System A, except when the emergency hydraulic pump is operating
Correct Answer
B. System A only -
- 29.
Which valves in the F-16's hydraulic system B prevent fluid flow from one jet fuel starter (JFS)/brake accumulator to the other?
- A.
JFS dump
- B.
JFS pressure check
- C.
JFS relief
- D.
JFS motor anticavitation check
Correct Answer
B. JFS pressure check -
- 30.
The F-16's jet fuel starter motor anticavitation check valve prevents motor cavitation by directing flow to the motor inlet whenever return pressure
- A.
Equals inlet pressure
- B.
Drops to zero
- C.
Exceeds inlet pressure
- D.
Exceeds 85 psi
Correct Answer
C. Exceeds inlet pressure -
- 31.
The F-16 jet fuel starter/brake integral externally-powered, manually-operated hydraulic pump draws hydraulic fluid from the
- A.
B system return filter manifold
- B.
B system reservoir
- C.
B system pressure filter manifold
- D.
A system return filter manifold
Correct Answer
A. B system return filter manifold -
- 32.
The hydraulic pressure transmitters on the F-16 are located
- A.
In the right MLG wheel well only
- B.
In the left MLG wheel well only
- C.
In the right and left main landing gear (MLG) wheel wells
- D.
On each system's hydraulic pump
Correct Answer
C. In the right and left main landing gear (MLG) wheel wells -
- 33.
The F-16's hydraulic pressure indicator consists of a direct-reading dial with graduations from 0 to
- A.
6,000 psi
- B.
5,000 psi
- C.
4,000 psi
- D.
3,000 psi
Correct Answer
C. 4,000 psi -
- 34.
On the F-16, the hydraulic power required for normal operation during main landing gear retraction is supplied by
- A.
Hydraulic system B only
- B.
Hydraulic system A only
- C.
Both hydraulic system A or B
- D.
Either hydraulic systems A or B
Correct Answer
A. Hydraulic system B only -
- 35.
What F-16 landing gear component(s) free fall(s) in to the extended position?
- A.
MLG Doors
- B.
NLG Doors
- C.
Main landing gear (MLG)
- D.
Nose landing gear (NLG)
Correct Answer
C. Main landing gear (MLG) -
- 36.
Which F-16 main landing gear component houses the downlock mechanism?
- A.
Drag brace
- B.
Shock strut
- C.
Tension strut
- D.
Positioning collar
Correct Answer
A. Drag brace -
- 37.
The F-16 main landing gear downlock mechanism holds the drag brace on center with an actuator
- A.
Latch
- B.
Rod end
- C.
Spring
- D.
Check valve
Correct Answer
C. Spring -
- 38.
On each F-16 main landing gear shock strut, the air valve faces
- A.
Inboard and the uplock roller lugs face aft.
- B.
Outboard and the uplock rollers lugs face aft.
- C.
Inboard and the uplock roller lugs face forward
- D.
Outboard and the uplock roller lugs face forward
Correct Answer
D. Outboard and the uplock roller lugs face forward -
- 39.
The F-16 nose landing gear shock strut is connected to the aircraft by
- A.
Trunnion bolts
- B.
Self-Contained trunnion pins
- C.
Self-locking bearing sleeves
- D.
Flange nuts
Correct Answer
B. Self-Contained trunnion pins -
- 40.
T F-16 components control landing gear and door operations to prevent interferences during extension and retractions?
- A.
Sequence valves
- B.
Selector valves
- C.
Shutter valves
- D.
Check valves
Correct Answer
A. Sequence valves -
- 41.
How is the F-16 landing gear handle locked in the UP position?
- A.
Hydraulically
- B.
Pneumatically
- C.
Electrically
- D.
Mechanically
Correct Answer
D. Mechanically -
- 42.
The F-16 landing gear selector valve is a
- A.
Three position valve with a pneumatically operated bypass
- B.
Two position valve with an electrically operated bypass
- C.
Two position valve with a pneumatically operated bypass
- D.
Three position valve with an electrically operated bypass
Correct Answer
C. Two position valve with a pneumatically operated bypass -
- 43.
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
- A.
Combat vulnerability
- B.
Pump wear
- C.
Back pressure
- D.
Pressure loss during high-G maneuvers
Correct Answer
A. Combat vulnerability -
- 44.
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?
- A.
NLG door sequence valve
- B.
NLG downlock switch
- C.
Landing gear selector valve
- D.
NLG mecanical sequence valve
Correct Answer
D. NLG mecanical sequence valve -
- 45.
Which componetns of the F-16's brake assembly are keyed on their outside diameters to the wheel?
- A.
End plates
- B.
Rotating discs
- C.
Stationary discs
- D.
Torque tubes
Correct Answer
B. Rotating discs -
- 46.
The F-16's brake control unit receives electircal signals
- A.
Only from the anti-skid control unit
- B.
Only from the brake pedal position transducers
- C.
Directly from the wheel speed sensors
- D.
From the brake pedal position transducers and the anti-skid control unit
Correct Answer
D. From the brake pedal position transducers and the anti-skid control unit -
- 47.
What warns the F-16 pilot of an anti-skid system failure?
- A.
Sinking brake pedals
- B.
Warning horn
- C.
Caution light
- D.
Heads up display
Correct Answer
C. Caution light -
- 48.
Prebraking of the F-16's main wheels is provided to
- A.
Shorten aircraft stopping distances
- B.
Ready the brakes for high-temperature condtions
- C.
Self-test the brakes prior to landing
- D.
Eliminate gyroscopic moments applied to the main landing gear during retraction
Correct Answer
D. Eliminate gyroscopic moments applied to the main landing gear during retraction -
- 49.
The F-16's solenoid-operated parking valve ports hydraulic pressure fom system B or
- A.
One brake accumulator to all of the brake pistons in each wheel brake assembly
- B.
Both brake accumulators to all of the brake pistons in each wheel brake assembly
- C.
Both brake accumulators to one set of the brake pistons in each wheel brake assembly
- D.
One brake accumulator to one set of the brake pistons in each wheel brake assembly
Correct Answer(s)
B. Both brake accumulators to all of the brake pistons in each wheel brake assembly
D. One brake accumulator to one set of the brake pistons in each wheel brake assembly -
- 50.
The F-16's arresting hook is
- A.
Electically controlled and hydraulically actuated
- B.
One brake accumulator to one set of brake pistons in each wheel brake assembly
- C.
Pneumatically controlled and electically actuated
- D.
Manually controlled and pneumatically actuated
Correct Answer
B. One brake accumulator to one set of brake pistons in each wheel brake assembly -
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Mar 21, 2022Quiz Edited by
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Jan 06, 2010Quiz Created by
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