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1.
The battery contactor for a main battery
will automatically open if:
A. The battery voltage drops to less than
14 VDC for more than 10 seconds
with the airplane on the ground.
B. The airplane is on the ground and the
battery voltage is less than 18 VDC.
C. The airplane is airborne and the bat-
tery voltage is less than 14 VDC.
D. The airplane is airborne and the bat-
tery voltage is less than 18 VDC.
2.
In the event of a dual generator failure,
how long should the aircraft main bat-
teries supply DC power to the essential
busses?
A. Minimum of 30 minutes (27 amp/hour
batteries)
B. Minimum of 60 minutes (38 amp/hour
batteries)
C. Approximately 3 hours
D. Both a. and b.
3.
What is indicated on the EICAS SUMRY
page following EMER-V?
A. It is an indication of emergency bat-
tery voltage.
B. It is an indication of airplane main
battery voltage.
C. It is an indication of the voltage on the
emergency battery bus.
D. It is always an indication of genera-
tor voltage.
4.
Generator Control Units provide all of
the following functions except?
A. Current limiting control
B. Voltage regulation
C. Overspeed protection
D. Alternator monitoring
5.
Which of the following items is not on one
of the hot busses?
A. Left and right FWSOVs
B. Clearance Delivery Head
C. Left and right fire extinguishers
D. Cockpit Emergency Instrument Lights
6.
The main airplane batteries can be re-
charged via:
A. The ground power unit (GPU)
B. The auxiliary power unit (APU)
C. The left or right generator
D. Any of the above
7.
After engine start with a GPU connected:
A. The generator will automatically
come on.
B. The generator may be manually se-
lected on with the GEN switch.
C. The generator will automatically
come on when the GPU is discon-
nected.
D. The generator will come on after dis-
connecting the GPU and momentar-
ily depressing the GEN switch.
8.
Normally, the two generator busses act in-
dependently; however, they are auto-
matically tied whenever _____ .
A. During engine start
B. Following a single generator failure
C. During SPPR refueling
D. Both a. and b. are correct
L E A R J E T 4 5
P I L O T T R A I N I N G M A N U A L
2-41
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