A-320 Chapter № 19. APU

17問 • 11ヶ月前

Popovich

通報

問題一覧

19.1. To start the APU:

A. BAT 1 and 2 pushbuttons must be selected to ON

19.2. When the APU Master Switch is released, a normal APU shutdown occurs:

C. With a delay if the bleed air was in use

19.3. According to the APU Start sequence, selecting the APU START pushbutton on will:

B. Energize the starter, the ignition turns ON. When N = 60% the starter is de-energized and the ignition turns OFF

19.4. The APU has an integral independent lubrication system for lubrication and cooling.

True

19.5. When the APU MASTER SW is selected ON:

A. Electric power goes to the APU system, the ECB performs a power-up test, air intake flap opens, the fuel isolation valve opens, if no fuel tank pump is running the fuel pump operates

19.6. During refuel/defuel procedures, APU starts or shutdown are permitted with next restriction:

B. If a fuel spill occurs, perform a normal APU shutdown

19.7. The basic element of the APU is ________ that delivers mechanical shaft power for driving the accessory gearbox (electrical generator, starter, etc.) and produces bleed air (engine starting and pneumatic supply).

C. a single-shaft gas turbine

19.8. During the APU start sequence the APU AVAIL memo is displayed on the E/WD at approximately ____ .

A. N = 95%

19.9. The APU starter engages if the air intake is fully open and the MASTER SW and the START pushbutton are ON.

True

19.10. In case of engine failure APU BLEED must not be used:

A. If the ENG 1 FIRE pb-sw is pushed

19.11. The APU cannot be shut down from outside.

False

19.12. An APU automatic shutdown may be caused by:

B. Fire on ground only

19.13. APU Bleed maximum altitude to assist engine start:

B. 20 000 ft

19.14. Maximum altitude for air conditioning and pressurization (dual pack operation):

A. Within aircraft operational envelop

19.15. APU Normal Restart Limit envelop:

A. Within aircraft operational envelop

19.16. APU start attempts are limited:

A. After three consecutive APU start attempts, the flight crew must wait 60 min before a new start attempt

19.17. To start APU press APU MASTER SW pb-sw first. Wait at least 3 s before selecting APU START pb-sw. What is the reason for delay?

B. Electric power goes to the APU system; the ECB performs a power-up test

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д31

д31

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問題一覧

19.1. To start the APU:

A. BAT 1 and 2 pushbuttons must be selected to ON

19.2. When the APU Master Switch is released, a normal APU shutdown occurs:

C. With a delay if the bleed air was in use

19.3. According to the APU Start sequence, selecting the APU START pushbutton on will:

B. Energize the starter, the ignition turns ON. When N = 60% the starter is de-energized and the ignition turns OFF

19.4. The APU has an integral independent lubrication system for lubrication and cooling.

True

19.5. When the APU MASTER SW is selected ON:

A. Electric power goes to the APU system, the ECB performs a power-up test, air intake flap opens, the fuel isolation valve opens, if no fuel tank pump is running the fuel pump operates

19.6. During refuel/defuel procedures, APU starts or shutdown are permitted with next restriction:

B. If a fuel spill occurs, perform a normal APU shutdown

C. a single-shaft gas turbine

19.8. During the APU start sequence the APU AVAIL memo is displayed on the E/WD at approximately ____ .

A. N = 95%

19.9. The APU starter engages if the air intake is fully open and the MASTER SW and the START pushbutton are ON.

True

19.10. In case of engine failure APU BLEED must not be used:

A. If the ENG 1 FIRE pb-sw is pushed

19.11. The APU cannot be shut down from outside.

False

19.12. An APU automatic shutdown may be caused by:

B. Fire on ground only

19.13. APU Bleed maximum altitude to assist engine start:

B. 20 000 ft

19.14. Maximum altitude for air conditioning and pressurization (dual pack operation):

A. Within aircraft operational envelop

19.15. APU Normal Restart Limit envelop:

A. Within aircraft operational envelop

19.16. APU start attempts are limited:

A. After three consecutive APU start attempts, the flight crew must wait 60 min before a new start attempt

19.17. To start APU press APU MASTER SW pb-sw first. Wait at least 3 s before selecting APU START pb-sw. What is the reason for delay?

B. Electric power goes to the APU system; the ECB performs a power-up test