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Questions for Auxiliary Power Unit A320

Answer the following questions

1. If an APU start is initiated on battery power only, is fire protection available?
2. If APU bleed was used, after a manual shut down sequence, the APU:
3. When selected on, the APU START push button, will:
4. On ground, can you start the APU using the aircraft batteries only?
5. The APU BLEED valve is automatically closed above ______ feet descending by the ECB.
6. On ground, the No Break Power Transfer function is inhibited in case of APU shutdown generated by which of the following conditions?
7. When the APU is running, the APU fuel pump:
8. What is the maximum altitude at which the APU may be started using the batteries only?
9. Fire on ground or in flight will cause the APU MASTER SW pushbutton FAULT light to come on.
10. When the APU Master Switch is released, a normal APU shutdown occurs:
11. A FLAP OPEN indication is displayed in amber when the APU air inlet flaps is fully open
12. The APU has an integral independent lubrication system for lubrication and cooling.
13. The APU is supplied from the:
14. The basic element of the APU is a single shaft gas turbine which delivers ______ power for driving the accessory gearbox (electrical generator) and produces bleed air (engine starting and pneumatic supply)
15. The LOW OIL LEVEL advisory pulses in ____ if the APU oil quantity approaches its minimum value.
16. The APU may obtain power for starting from:
17. The APU MASTER SW FAULT light will illuminate:
18. The APU cannot be shut down from outside the aircraft.
19. The Electronic Control Box (ECB) is primarily a full authority digital electronic controller that performs the APU system logic for all modes of APU operation such as:
20. The starter engages if the air intake is closed and the MASTER SW and the START pushbuttons are ON.
21. If an APU start is initiated on battery power only, is fire protection available?
22. A319/320/321. With the APU supplying bleed air what will be the pack flow if the PACK FLOW selector is LOW?
23. With battery power, what would an APU fire test look like?
24. Can the APU FIRE test be performed with the APU running?
25. When the APU MASTER SW is selected ON:
26. How many APU fire extinguisher bottles are installed?
27. The ECB (Electronic Control Box) controls the fuel flow.
28. The APU system page will appear on the ECAM:
29. Maximum altitude for APU bleed operation is:
30. What are some of the causes for an APU automatic shutdown?
31. BAT 1 and 2 push buttons do not need to be selected ON if external power is available.
32. Can the APU be used with wing anti-ice on?
33. With the engines off, if the AVAIL light is illuminated on both the APU START push button and the EXT PWR push button, what is the source of electrical power for the aircraft busses?
34. To start the APU the
35. Will the APU bleed valve close automatically during climb? Will it reopen during descent?
36. What is the maximum operating altitude of the APU?
37. With nobody in the cockpit, if you have an APU FIRE, which statement is correct?
38. With battery power only, what would an APU fire test look like?
39. The APU may be started up to what altitude?
40. When starting the APU, the FUEL LO PR indication appears amber when an APU fuel low pressure is detected.