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|  CHAPTER SIX
STUDENT GUIDE FOR T-1A AIRCRAFT SYSTEMS
CHAPTER SIX REVIEW
1.
The ______________________ is the primary power source for most aircraft systems.
2. The generators supply primary ____________ power for the DC system and also function
as _______________.
3.
The battery is a lead-acid _______ VDC ______ ampere-hour battery.
4.
Placing the battery switch to the ___________ position isolates the battery from the start
bus.
a.
ON
b.
EMER
c.
STBY
d.
OFF
5.
What is the purpose of external DC power?
6.
The _________________________ provides ground fault protection for the generators.
7.
What are the consequences of charging a low state battery using external power?
8.
The standby battery supplies power to the:
9.
If STBY PWR is not armed during preflight, the standby bus will still automatically be
powered with the loss of electrical power. (T/F)
10. The AHRS battery supplies 24 VDC for up to ______ minutes should either load bus
power fall below a preset limit.
11.
Illumination of the L BUS FDR FAIL or R BUS FDR FAIL indicates what?
12. The emergency bus supplies charge current to the ______________________.
13. Placing the inverter switch to the NO. 2 position forces the ___________ inverter to power
the primary busses and the ___________ inverter to power the secondary busses.
6-6
ELECTRICAL POWER SYSTEMS
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