Auxiliary Power Unit Flashcards
1
Q
When is a fifteen minute cooling period required on the APU?
A
After three consecutive aborted start attempts
2
Q
Max Altitude - APU Bleed + APU Electrical Load
A
10,000 feet
3
Q
Max Altitude - APU Bleed
A
17,000 feet
4
Q
Max Altitude - APU Electrical Load
A
41,000 feet
5
Q
APU Bleed Valve must be closed under what conditions?
A
Ground air is connected, and the isolation valve is open
Engine No.1 bleed valve is open
Isolation valve and engine No. 2 bleed valves are open
