An Auxiliary Power Unit or APU allows an aircraft to operate autonomously without reliance on ground support equipment such as a ground power unit, an external air-conditioning unit or a high pressure air start cart.
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1C-130H-2-05JG-00-1
1C-130H-2-49JG-00-1-1
1C-130H-2-12JG-10-2
1C-130H-2-71JG-00-1
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4,000
3,000
2,000
1,000
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21
22
24
28
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True
False
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A flashing fire warning light and a steady light in the T-Handle
A steady fire warning light and a steady light in the T-Handle
A steady fire warning light and a flashing light in then T-Handle
A flashing fire warning light and a flashing light in the T-Handle
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2 US quarts
3 US quarts
6 US quarts
5 US quarts
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1 minute on and 1 minute off
1 minute on and 2 minutes off
1 minute on and 3 minutes off
1 minute on and 4 minutes off
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The start light goes out
The start light comes on
The on speed light comes on
The on speed light goes out
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The APU automatically shuts down
The over-speed light comes on
The on-speed light comes on
The on-speed light goes out
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One
Two
Three
Four
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Ice
General APU condition
Foreign Objects
All of the above
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Hydraulic pressure for ground operation
Electrical power for starting engines
Electrical and hydraulic power to various sections of the aircraft
Bleed air for engine starting and ground operations
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One
Two
Three
Four
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Clear the propeller area
Check the ramp area
Close the #2 fuel cross-feed
Call for clearance from the control tower
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To check the fuel for contamination and water
To ensure the APU has proper fuel flow
To ensure the APU fuel shut-off valve is in the open position
To ensure the APU fuel shut-off valve is in the closed position
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Try to isolate the problem to aid in troubleshooting
Not operate the bleed air
Shut down the APU
Do nothing, it is within limits
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On the overhead electrical panel
Near the Navigator's control station
On the pilot's main instrument panel
Aft of the left troop door
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ADF
HF
SCNS
UHF
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3 US Quarts
4 US Quarts
5 US Quarts
6 US Quarts
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One
Two
Three
Four
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One
Two
Three
Four
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35% speed switch
95% speed switch
105% speed switch
110% speed switch
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Do not operate the APU
Have ground man monitor APU and proceed
Have an extra person visually monitor the APU
Document aircraft forms and proceed with caution
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Overheating the APU
Overloading the main DC Bus
Depleting the aircraft battery
Over-pressurizing the bleed air manifold
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The ground man
The APU operator
For all personnel in the vicinity of the airplane when APU is operating
Ground man and APU operator
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The may be AGE equipment in the plain of rotation
There may be personnel in the prop arcs
The propellers may rotate if an engine start valve has failed in the open posistion
An open bleed air duct may cause a fire or overheat condition
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The FIRE warning light comes on
The warning light in the APU fire control handle comes on
The FIRE warning light and the warning light in the APU fire control handle comes on
The anti-ice overheat circuit test light comes on
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Continue the run using battery power
Place the APU control switch to stop
Pull the fire control handle for the APU
Check the frequency and voltage of the battery
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15 PSI
20 PSI
30 PSI
40PSI
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15 PSI
20 PSI
30 PSI
40 PSI
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Oil supply subsystems, exhaust, and ATM
ATM, ATM air, and oil supply subsystems
Starting, exhaust, oil supply subsystem
Bleed air, ATM, APU fuel supply and oil supply subsystems
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On the Navigator's station
On the overhead control panel in the flight station
On the co-pilots kick panel
On the pilot's kick panel
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True
False
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1C-130E-49JG-00-1-1
Emergency shutdown procedures
1C-130H-2-05JG-00-1
1C-130H-2-12JG-10-2
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True
False
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Starter Damage
APU compressor damage
APU turbine damage
Internal damage to the oil pump from hot oil
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Place the anti-icing wing switch to ON
Place the nacelle preheat switches to on
Place the underfloor heating switch to on
Place the air conditioning master switch to off
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True
False
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True
False
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True
False
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True
False
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True
False
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True
False
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True
False
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True
False
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True
False
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On the cargo compartment floor curb directly in front of the right wheel well
On the cargo compartment floor curb directly in front of the left wheel well
Aft of the APU in the left wheel well forward fairing
Aft of the APU in the right wheel well forward fairing
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True
False
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