ELECTRICAL PE TEST 2025
Where is the ELEC power panel located?
on the lower left corner of the overhead switch console
How are the main AC generators cooled and lubricated? (Be specific. List both
component and system.)
Oil Cooled, AFT Transmission MAIN Lubrication System
The GCUs protect the AC system from what four conditions?
Over Voltage
Under Voltage
Under Frequency (RPM)
Feeder Fault (Short/Open Circuit)
Where are the No. 1 and No. 2 auxiliary PDPs located?
Cabin Area
How is the APU generator cooled?
Air Cooled by a built-in fan
An indicator on the center instrument panel indicates when the battery voltage
drops below ___ V dc.
20 V dc
What is the purpose of the AC bus-tie gang bars on each PDP? (Two key
words)
Purpose of gang bars is to ISOLATE the respective system and PREVENT a
"bus-tie" from occurring to the other side.
With the BATT switch in OFF position, the battery supplies DC electrical
power only to the _____ bus.
Where is the ELEC power panel located?
on the lower left corner of the overhead switch console
How are the main AC generators cooled and lubricated? (Be specific. List both
component and system.)
Oil Cooled, AFT Transmission MAIN Lubrication System
The GCUs protect the AC system from what four conditions?
Over Voltage
Under Voltage
Under Frequency (RPM)
Feeder Fault (Short/Open Circuit)
Where are the No. 1 and No. 2 auxiliary PDPs located?
Cabin Area
How is the APU generator cooled?
Air Cooled by a built-in fan
An indicator on the center instrument panel indicates when the battery voltage
drops below ___ V dc.
20 V dc
What is the purpose of the AC bus-tie gang bars on each PDP? (Two key
words)
Purpose of gang bars is to ISOLATE the respective system and PREVENT a
"bus-tie" from occurring to the other side.
With the BATT switch in OFF position, the battery supplies DC electrical
power only to the _____ bus.
