Electrical

Question 1

The Left and Right Battery are connected directly to the … ?

Answer 1

Their respective Battery Bus (Hot Bus)

Question 2

Each Generator supplies electrical power to their respective … ?

Answer 2

Main Bus in the DCPC’s

Question 3

Provided the Battery switches are ON, the batteries remain connected to their _______ for charging.

Answer 3

Essential Buses

Question 4

With both generators running, the APU generator powers … ?

Answer 4

Right Main Bus along with the right engine-driven generator

Question 5

For APU starting, the ______ battery is isolated from the rest of the electrical system?

Answer 5

Right battery. The left battery powers the rest of the electrical system during the APU start sequence.

Question 6

During in-flight single generator operations, the _______ buses are shed.

Answer 6

Aux buses

Question 7

During single generator operations, what may be shed based on electronic logic?

Answer 7

Hydraulic pump (DC)

Question 8

With a total loss of electrical power, the batteries will power … ?

Answer 8

Their respective Battery and Essential Buses

Question 9

Battery power alone will last roughly how long?

Answer 9

One hour

Question 10

When utilizing a GPU, the power output should be set to … ?

Answer 10

28 VDC and 1500 amps

Question 11

A L or R BATT OVERHEAT warning will be initiated at what temperature?

Answer 11

70 C

Question 12

An APU or L or R GEN OVERLOAD occurs when … ?

Answer 12

Generator output exceeds 500 amps

Question 13

Items on the Left Battery Bus (HOT) (7 items)

Answer 13

Clock
Firex A
Left Engine SOV
Left Hydraulic SOV
Entry Lights
External Baggage/Aft Bay Light
Passenger Door

Question 14

Items on the Right Battery Bus (HOT) (5 items)

Answer 14

Firex B
Right Engine SOV
Right Hydraulic SOV
Refuel/Defuel Control
Refuel/Defuel Valves