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. Take this quiz to check your knowledge about the same!
Stabilization of the APU
The oil pressure to drop within limits
The bleed air ducts to cool down
The APU load control valve to fully shut
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
4,000
3,000
2,000
1,000
21
22
24
28
The APU fuel tank
The RH AUX tank
The #2 main tank
The fuel cross-feed manifold
True
False
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
2 US quarts
3 US quarts
6 US quarts
5 US quarts
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
The start light goes out
The start light comes on
The on speed light comes on
The on speed light goes out
The APU automatically shuts down
The over-speed light comes on
The on-speed light comes on
The on-speed light goes out
One
Two
Three
Four
Ice
General APU condition
Foreign Objects
All of the above
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
One
Two
Three
Four
Clear the propeller area
Check the ramp area
Close the #2 fuel cross-feed
Call for clearance from the control tower
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
Try to isolate the problem to aid in troubleshooting
Not operate the bleed air
Shut down the APU
Do nothing, it is within limits
On the overhead electrical panel
Near the Navigator's control station
On the pilot's main instrument panel
Aft of the left troop door
ADF
HF
SCNS
UHF
3 US Quarts
4 US Quarts
5 US Quarts
6 US Quarts
One
Two
Three
Four
One
Two
Three
Four
35% speed switch
95% speed switch
105% speed switch
110% speed switch
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
Wait!
Here's an interesting quiz for you.