Systems Electrical

Question 1

To isolate AC transfer bus 1 from AC transfer bus 2 the BUS TRANSFER Switch must be in what position?

Answer 1

OFF

Question 2

What happens when an engine driven Generator (GEN) Switch is selected OFF?

Answer 2

Disconnect the IDG from the related AC transfer bus

Question 3

The GROUND SERVICE Switch is located on what panel?

Answer 3

The forward flight attendant panel

Question 4

Select the component(s) that are powered by the ground service bus.

Answer 4

Utility outlets
Cabin lighting
Battery chargers

Question 5

With both AC transfer busses powered by the IDGs, moving an APU GEN switch on:

Answer 5

Allows the opposite AC transfer bus to remain powered by the respective IDG

Question 6

Which two power sources cannot supply power to the aircraft busses at the same time?

Answer 6

GRD power and APU generator

Question 7

What switch is used to connect external power to the AC transfer busses?

Answer 7

Ground Power GRD PWR switch

Question 8

What is the function of the GROUND SERVICE switch?

Answer 8

Enables airplane servicing using external power without activating AC transfer busses