The major components of the DC power system include what? correct answers Battery,
starter/generator,
generator control unit, relays,
28 volt bus, and circuit breakers.
All circuits in the electrical system are __________ _________ with ___________ common
ground return. correct answers - single wire
- fuselage
Describe the battery? correct answers 24volt, 17 ampere/hour,
Ni-Cad (JSO lead-acid) battery
Nicad battery reconditioning is a _________ _________ procedure conducted every ________
hours. correct answers - battery shop
- 100
When the the battery switch is selected on, it energizes the 28 VDC system and _______ VDC
power is supplied to all aircraft electrical components. correct answers 24
During engine operation a fully charged battery can be determined by moving the battery switch
from BAT to OFF and observing the effect on the ________ _________. correct answers
generator loadmeter.
The DC loadmeter indicates the load in amperes being supplied to the 28 VDC bus by the
generator. The maximum continuous load is _________ % ( ______ Amps). correct answers
70% (105 Amps).
If the generator loadmeter indicates less than ________ % on loadmeter, the battery is considered
charged. correct answers 1 %
, What is starter/generator electrical output? correct answers 30 volt, 105 amp (derated from 150
amp)
The Generator Control Unit (GCU) and other electrical components are located where? correct
answers On the accessory shelf above the baggage compartment.
The battery is located where? correct answers In the nose compartment of the aircraft.
The battery system includes? correct answers Battery, battery relay, battery switch, BATT TEMP
and BATT HOT sensors, and related wiring.
The battery relay is located where? correct answers Located in the nose compartment and
forward of the battery.
Describe the battery relay? correct answers It is an electrically operated switch that controls
battery current to the main bus bar.
The DC power systems include what? correct answers Battery, external power receptacle,
interlock generator, and starter/igniter.
The external power receptacle is located where? correct answers Front nose section, below the
battery access door
When a battery cart is used to power the aircraft, the battery switch is in the on or off position?
correct answers Off position
A Ground Power Unit (GPU) start-up requires the battery switch to be in the on or off position?
correct answers On position