5.
By what means is fuel moved from the fuel supply to the APU fuel
filter?
A.
Vacuum pump.
B.
Gear driven pump.
C.
Gravity feed system.
D.
Electric fuel pumps.
6.
How many fuel filters are used in the APU fuel system?
A.
One.
B.
Two.
C.
Three.
D.
Four.
7.
What must be done to the MASTER switch before removing the APU control
box?
A.
Lock.
B.
Remove.
C.
Set in the ON position.
D.
Set in the OFF position.
8.
What is the primary cause of the APU engine misfiring?
A.
Fouled spark plugs.
B.
Cracked ignition wires.
C.
Magneto improperly timed.
D.
Dirty fuel and/or air cleaner system.
47
OD1702
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