APU

Question 1

What make of APU is on the plane?

Answer 1

Garrett

Question 2

What is the rated amperage of the APU?

Answer 2

400 A

Question 3

What does the ‘APU Master’ switch on the overhead panel do?

Answer 3

1. Provides power to the Electronic Control Unit.

2. Opens the Fuel Shutoff Valve

Question 4

What must be monitored on the MFD during APU start?

Answer 4

APU system page

Question 5

What position are the ELPMPs supposed to be in during start and normal operation of the APU?

Answer 5

AUTO

Question 6

When starting the APU when does the starter/generator cut out?

Answer 6

50% rotation

Question 7

What is the wait period after selecting the APU generator to ON before selecting the APU Bleed Air to ON?

Answer 7

Two Minutes

Question 8

When you press the APU STOP button, how is it shutdown?

Answer 8

A false overspeed signal is generated.

Question 9

APU Automatic shutdown protection is provided on the ground for?

Answer 9

1. Overtemp
2. Overcurrent
3. Overspeed
4. Low Oil Pressure
5. High Oil Temp
6. Loss of RPM or EGT signals

Question 10

Will the APU shutdown automatically in flight?

Answer 10

No, not even for fire.

Question 11

APU red line EGT?

Answer 11

732C

Question 12

APU EGT should not exceed _____ for and load combination unless it an emergency.

Answer 12

680C

Question 13

Always shut down the APU in a loaded or unloaded condition?

Answer 13

LOADED