CBT Systems 2 Flashcards
What are the primary sources of electrical power?
Aircraft Battery
Starter-Generators
External Ground Power Unit
Which of the following is a component of the primary DC power distribution system?
Load Buses
Which of the following is a component of the secondary DC power distribution system?
Non-Essential Buses
T or F: It is advised to reset one of two popped power feeder circuit breakers to ensure a secure connection between the Main and Load Buses.
False
T or F: You should not recharge a low battery (below 22 volts) using an external Ground Power Unit.
True
With the battery switch in EMERGENCY, the aircraft battery
powers the Emergency Bus.
Placing the Generator Master switches to EMER
isolates the generators and battery from the system.
If the battery FDR FAIL light illuminates with no other indications,
the Battery Feeder Protection Unit has failed.
The R GEN OFF annunciator illuminates. What action may return the generator online?
Cycle the GEN RESET switch momentarily to RESET then to NORM.
What is the minimum battery charge?
22 volts
With a GPU connected, what is the correct position for the GEN RESET switches during engine start?
OFF
During a battery start, what is the maximum AMPS on the operating generator for starting the second engine?
150 amps
You have lost one generator at 32,500 MSL or below. What is the maximum AMPS on the operating generator?
400 amps
You have lost one generator at 32,500 to 41,000 MSL. What is the maximum AMPS on the operating generator?
280 amps
Which type of power is used for most of the T-1A aircraft systems?
DC
Where is the main aircraft battery located?
Aft fuselage compartment
Where are the aircraft generators located?
One starter-generator is located on each engine’s accessory drive gearbox.
Each generator contains a __________ that controls starting and generating modes of operation.
Generator Control Unit (GCU)
How many inverters are installed in the T-1A?
Two
What is the visual cue on a push-pull circuit breaker that indicates when it has popped out?
A white ring around the collar of the extended circuit breaker
