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Airbus A320 · APU 题库（79 题）

Airbus A320 机型「APU」相关知识共 79 道题。想练习或模拟考试，请到 题库 · 模拟考试。
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1.The APU system page will appear on the ECAM:

  1. When selected by the flight crew.
  2. Automatically whenever the APU is started and AC power is available.
  3. All statements are correct. ✓
正确答案：All statements are correct.　·　A320　·　来源 smartcockpit.com

2.When the APU MASTER SW is selected ON:

  1. The APU computer automatically completes a self-test, opens the air intake flap and supplies fuel pressure. ✓
  2. The APU computer automatically starts the APU.
  3. Connects the APU generator to the aircraft electrical system.
  4. The APU door opens.
正确答案：The APU computer automatically completes a self-test, opens the air intake flap and supplies fuel pressure.　·　A320　·　来源 smartcockpit.com

3.After 3 starter motor duty cycles, you shall wait 30 minutes before attempting 3 more cycles.

  1. True.
  2. False. ✓
正确答案：False.　·　A320　·　来源 smartcockpit.com

4.The starter engages if the air intake is closed and the MASTER SW and the START pushbuttons are ON.

  1. True.
  2. False. ✓
正确答案：False.　·　A320　·　来源 smartcockpit.com

5.Fire on ground or in flight will cause the APU MASTER SW pushbutton FAULT light to come on.

  1. True.
  2. False. ✓
正确答案：False.　·　A320　·　来源 smartcockpit.com

6.When the APU is running, the APU fuel pump:

  1. Runs when tank pumps pressure is not sufficient. ✓
  2. Runs all time.
  3. Runs only in flight.
  4. Runs when the APU fuel pump is selected on.
正确答案：Runs when tank pumps pressure is not sufficient.　·　A320　·　来源 smartcockpit.com

7.The APU cannot be shut down from outside the aircraft.

  1. True.
  2. False. ✓
正确答案：False.　·　A320　·　来源 smartcockpit.com

8.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:

  1. Sequence and monitoring of start.
  2. Speed and temperature monitoring.
  3. Monitoring of bleed air and shut down.
  4. All statements are correct. ✓
正确答案：All statements are correct.　·　A320　·　来源 smartcockpit.com

9.On ground, can you start the APU using the aircraft batteries only?

  1. Yes. ✓
  2. No.
正确答案：Yes.　·　A320　·　来源 smartcockpit.com

10.With battery power, what would an APU fire test look like?

  1. APU FIRE pushbutton illuminated.
  2. SQUIB and DISCH lights illuminated.
  3. All statements are correct. ✓
正确答案：All statements are correct.　·　A320　·　来源 smartcockpit.com

11.Can the APU FIRE test be performed with the APU running?

  1. Yes. ✓
  2. No.
正确答案：Yes.　·　A320　·　来源 smartcockpit.com

12.The APU may be started and operated even if the LOW OIL LEVEL ECAM advisory is displayed. Maintenance action is required within next _____ of APU operation.

  1. 10 hours. ✓
  2. 5 hours.
  3. 20 hours.
  4. 25 hours
正确答案：10 hours.　·　A320　·　来源 smartcockpit.com

13.What is the maximum altitude at which the APU may be started using the batteries only?

  1. 15, 000 ft.
  2. 20, 000 ft.
  3. 25, 000 ft. ✓
  4. 39, 000 ft.
正确答案：25, 000 ft.　·　A320　·　来源 smartcockpit.com

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).

  1. Second stage compressor.
  2. Third stage turbine.
  3. Second stage turbine.
  4. Mechanical shaft. ✓
正确答案：Mechanical shaft.　·　A320　·　来源 smartcockpit.com

15.How many APU fire extinguisher bottles are installed?

  1. One. ✓
  2. Two.
  3. One AC operated and one DC operated.
正确答案：One.　·　A320　·　来源 smartcockpit.com

16.The APU MASTER SW FAULT light will illuminate:

  1. When APU low oil pressure is detected.
  2. When an automatic shutdown of the APU occurs. ✓
  3. For an APU overheat or APU fire.
  4. If the batteries are selected OFF while the APU is operating.
正确答案：When an automatic shutdown of the APU occurs.　·　A320　·　来源 smartcockpit.com

17.Can the APU be used with wing anti-ice on?

  1. No.
  2. Yes, but only for electrical power. The APU bleed valve should not be opened while using wing anti-ice. ✓
  3. Yes, except during approach and go-around.
  4. Yes, but the altitude of utilization is limited to 15,000 ft.
正确答案：Yes, but only for electrical power. The APU bleed valve should not be opened while using wing anti-ice.　·　A320　·　来源 smartcockpit.com

18.Maximum altitude for APU bleed operation is:

  1. 15, 000 ft.
  2. 18, 000 ft.
  3. 20, 000 ft. ✓
  4. 22, 000 ft.
正确答案：20, 000 ft.　·　A320　·　来源 smartcockpit.com

19.To start the APU the:

  1. BAT 1 and 2 pbs must be selected to ON. ✓
  2. BAT 1 and 2 pbs do not need to be selected ON if external power is available.
  3. All statements are correct.
正确答案：BAT 1 and 2 pbs must be selected to ON.　·　A320　·　来源 smartcockpit.com

20.A FLAP OPEN indication is displayed in amber when the APU air inlet flaps is fully open.

  1. True.
  2. False. ✓
正确答案：False.　·　A320　·　来源 smartcockpit.com

21.If an APU start is initiated on battery power only, is fire protection available?

  1. Yes. ✓
  2. No.
正确答案：Yes.　·　A320　·　来源 smartcockpit.com

22.When starting the APU, the FUEL LO PR indication appears amber when an APU fuel low pressure is detected.

  1. True. ✓
  2. False.
正确答案：True.　·　A320　·　来源 smartcockpit.com

23.If APU bleed was used, after a manual shut down sequence, the APU:

  1. Stops immediately.
  2. Keeps running for 4 minutes.
  3. Keeps running for 2 minutes.
  4. Keeps running for 60 seconds. ✓
正确答案：Keeps running for 60 seconds.　·　A320　·　来源 smartcockpit.com

24.What is the maximum operating altitude of the APU?

  1. 25,000 feet.
  2. 30,000 feet.
  3. 35,000 feet.
  4. 39,000 feet. ✓
正确答案：39,000 feet.　·　A320　·　来源 smartcockpit.com

25.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?

  1. It is not possible to determine without checking the ECAM.
  2. The aircraft batteries.
  3. The APU. ✓
  4. External power.
正确答案：The APU.　·　A320　·　来源 smartcockpit.com

26.The ECB (Electronic Control Box) controls the APU fuel flow.

  1. True. ✓
  2. False.
正确答案：True.　·　A320　·　来源 smartcockpit.com

27.With battery power only, what would an APU fire test look like?

  1. APU FIRE pb illuminated and SQUIB + DISCH lights illuminated. ✓
  2. APU FIRE pb illuminated.
  3. SQUIB + DISCH lights illuminated.
正确答案：APU FIRE pb illuminated and SQUIB + DISCH lights illuminated.　·　A320　·　来源 smartcockpit.com

28.The APU is supplied from the:

  1. Left fuel feed line. ✓
  2. Right fuel feed line.
  3. Left or right fuel line.
正确答案：Left fuel feed line.　·　A320　·　来源 smartcockpit.com

29.BAT 1 and 2 push buttons do not need to be selected ON if external power is available.

  1. It is normally left in the lights out position.
  2. When selected OFF, the APU generator is de-energized.
  3. All statements are correct. ✓
正确答案：All statements are correct.　·　A320　·　来源 smartcockpit.com

30.When selected on, the APU START push button, will:

  1. Connect the APU generator to the aircraft electrical system.
  2. Start the APU if the APU MASTER SW was previously selected ON. ✓
  3. Open the air intake flap and supply fuel pressure.
正确答案：Start the APU if the APU MASTER SW was previously selected ON.　·　A320　·　来源 smartcockpit.com

31.The APU may obtain power for starting from:

  1. Ground services.
  2. Normal aircraft supply.
  3. The aircraft’s batteries or in combination with the external power.
  4. All statements are correct. ✓
正确答案：All statements are correct.　·　A320　·　来源 smartcockpit.com

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

  1. Without delay in all cases.
  2. With a delay, in all cases.
  3. With a delay if the bleed air was in use. ✓
正确答案：With a delay if the bleed air was in use.　·　A320　·　来源 smartcockpit.com

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

  1. True. ✓
  2. False.
正确答案：True.　·　A320　·　来源 smartcockpit.com

34.The LOW OIL LEVEL advisory pulses in _____ if the APU oil quantity approaches its minimum value.

  1. Amber.
  2. White.
  3. Red.
  4. Green. ✓
正确答案：Green.　·　A320　·　来源 smartcockpit.com

35.Nobody is in the cockpit, and there is an APU FIRE, which statement is correct?

  1. On the ground, an APU EMER shut down will occur and the APU fire bottle will be discharged automatically. ✓
  2. On the ground, you have to perform the ECAM actions to shut down the APU and extinguish the fire from the cockpit.
  3. On the ground an APU AUTO shut down will occur, but you have to discharge the APU fire bottle manually.
  4. In the air, an APU EMER shut down will occur and the APU fire bottle will be discharged automatically.
正确答案：On the ground, an APU EMER shut down will occur and the APU fire bottle will be discharged automatically.　·　A320　·　来源 smartcockpit.com

36.The APU may be started and operated even if the ECAM advisory LOW OIL LEVEL for the APU is displayed. Maintenance action is required within next ___ hours of APU operation:

  1. 24 hours
  2. 10 hours ✓
  3. 72 hours
  4. 48 hours
正确答案：10 hours　·　A320　·　来源 Chair Flight A320 Question Bank

37.APU start on GND: After setting the APU MASTER SW to ON, wait at least ___ seconds before switching APU START pb-sw to ON:

  1. 10 seconds
  2. 3 seconds ✓
  3. 5 seconds
  4. there is no time limit
正确答案：3 seconds　·　A320　·　来源 Chair Flight A320 Question Bank

38.On ground, in case of APU fire, the following happens:

  1. The APU fire warnings operate in the cockpit, the APU does not shut down, the AVAIL light remains on but the FAULT light in the MASTER SW lights up additionally
  2. The horn in the nose gear bay sounds, the FAULT light in the MASTER SW lights up, the APU shuts down but the the fire extinguisher must be discharged manually
  3. The APU fire warnings operate in the cockpit, a horn in the nose gear bay sounds, the AVAIL light goes out, the FAULT light in the MASTER SW lights up, the APU shuts down and the APU fire extinguisher discharges ✓
  4. The APU fire warnings operate in the cockpit, the AVAIL light goes out, the APU does not shut down and the crossbleed valve shuts
正确答案：The APU fire warnings operate in the cockpit, a horn in the nose gear bay sounds, the AVAIL light goes out, the FAULT light in the MASTER SW lights up, the APU shuts down and the APU fire extinguisher discharges　·　A320　·　来源 Chair Flight A320 Question Bank

39.The APU starter limitations are:

  1. after 3 starter motor duty cycles, wait 40 minutes before attempting 3 more cycles
  2. after 2 starter motor duty cycles, wait 30 minutes before attempting 3 more cycles
  3. after 3 starter motor duty cycles, wait 60 minutes before attempting 3 more cycles ✓
  4. after 4 starter motor duty cycles, wait 20 minutes before attempting 1 more cycle
正确答案：after 3 starter motor duty cycles, wait 60 minutes before attempting 3 more cycles　·　A320　·　来源 Chair Flight A320 Question Bank

40.Securing the aircraft: What can happen when you switch off the batteries before the APU flap is fully closed?

  1. It may cause smoke in the cabin during the next flight ✓
  2. The APU fire alarm may trigger
  3. An APU fault may be triggered during the next APU start
  4. A bird may enter the APU inlet and lay eggs
正确答案：It may cause smoke in the cabin during the next flight　·　A320　·　来源 Chair Flight A320 Question Bank

41.The APU provides

  1. AC power and bleed air up to FL225 ✓
  2. AC power only FL 250 and above
  3. DC power and bleed air up to FL250
  4. AC power and bleed air up to FL300
正确答案：AC power and bleed air up to FL225　·　A320　·　来源 Chair Flight A320 Question Bank

42.Which answer about the APU controls is correct?

  1. There is no chance to shut down the APU manually except with the MASTER SW pb
  2. The blue ON light in the START pb-sw illuminates only if the APU is running normally
  3. The blue ON light in the MASTER SW pb illuminates only if the APU is running normally
  4. The FAULT light within the MASTER SW pb illuminates when an automatic APU shutdown occurs, which happens in case of one of several possible failures ✓
正确答案：The FAULT light within the MASTER SW pb illuminates when an automatic APU shutdown occurs, which happens in case of one of several possible failures　·　A320　·　来源 Chair Flight A320 Question Bank

43.The APU Inlet Flap...

  1. closes 1 minute after the APU MASTER SW pb has been switched to OFF regardless of the APU rotorspeed
  2. closes 15 minutes after APU speed is lower than 7% in case of an automatic, non-emergency shutdown ✓
  3. closes immediately after switching the APU MASTER SW pb to OFF
  4. closes automatically in case of APU Fire to provide efficient work of the halon extinguisher
正确答案：closes 15 minutes after APU speed is lower than 7% in case of an automatic, non-emergency shutdown　·　A320　·　来源 Chair Flight A320 Question Bank

44.Which answer about the APU is correct?

  1. APU Bleed must not be switched on before the APU start sequence is completed
  2. The use of APU bleed is permitted during ground operation with ground air unit connected
  3. The flight crew should use APU electrical supply as soon as the APU is available to avoid unwanted electrical switching if external power is adversely removed
  4. After switching the APU MASTER SW pb to ON you have to wait at least 3 seconds before selecting the APU START pb-sw ✓
正确答案：After switching the APU MASTER SW pb to ON you have to wait at least 3 seconds before selecting the APU START pb-sw　·　A320　·　来源 Chair Flight A320 Question Bank

45.Which Answer about the APU envelope is correct?

  1. All answers are correct ✓
  2. The APU supplies bleed and electrical power up to FL 225
  3. The APU is not able to maintain 100% generator load up to max. FL 398
  4. The APU battery restart limit (EMER ELEC CONFIG) is at max. FL250
正确答案：All answers are correct　·　A320　·　来源 Chair Flight A320 Question Bank

46.Emergency shutdown of the APU is possible by two methods. One is to push the APU fire handle on the flight deck. The other is to:

  1. switch off the left side fuel pumps.
  2. push the APU SHUT-OFF pushbutton on the Interphone Panel under the nose fuselage. ✓
  3. use the APU Master Switch
正确答案：push the APU SHUT-OFF pushbutton on the Interphone Panel under the nose fuselage.　·　A320　·　来源 Chair Flight A320 Question Bank

47.Bleed air extraction from the APU for wing anti-icing is:

  1. Not permitted. ✓
  2. Permitted.
正确答案：Not permitted.　·　A320　·　来源 Chair Flight A320 Question Bank

48.If the APU speed is above 95%, the bleed air system has priority over the engine bleed air system.

  1. True ✓
  2. False
正确答案：True　·　A320　·　来源 Chair Flight A320 Question Bank

49.When the aircraft is on ground, the APU may run without cockpit crew supervision. In case of a fire in the APU compartment:

  1. The APU fire extinguisher discharges automatically immediately after the appearance of the fire warning.
  2. The APU fire extinguisher discharges automatically 3 s after pressing the APU SHUT OFF push-button
  3. The APU fire extinguisher discharges immediately after pressing the APU SHUT OFF push-button
  4. The APU fire extinguisher discharges automatically 3 s after the appearance of the fire warning ✓
正确答案：The APU fire extinguisher discharges automatically 3 s after the appearance of the fire warning　·　A320　·　来源 Chair Flight A320 Question Bank

50.The red APU FIRE light comes on when the APU fire warning is activated, regardless of the position of the pushbutton.

  1. True ✓
  2. False
正确答案：True　·　A320　·　来源 Chair Flight A320 Question Bank

51.During preliminary cockpit preparation if the APU is started on batteries only, it should be started within ________ after the selection of batteries to AUTO

  1. 20 minutes
  2. 10 minutes
  3. 30 minutes ✓
  4. 5 minutes
正确答案：30 minutes　·　A320　·　来源 Chair Flight A320 Question Bank

52.If the oil quantity of the APU approaches the minimum value, “low oil level” is pulsing:

  1. Amber on the ECAM
  2. Green on the ECAM ✓
  3. Red on the ECAM
  4. There is no indication on the ECAM
正确答案：Green on the ECAM　·　A320　·　来源 Chair Flight A320 Question Bank

53.When performing the securing the aircraft checklist and the aircraft is not handed over to Maintenance staff, the APU...

  1. must be switched off ✓
  2. must be left on
  3. may be left on, but generator p/b must be in OFF position
  4. may be left on or switched off
正确答案：must be switched off　·　A320　·　来源 Chair Flight A320 Question Bank

54.The APU BLEED pb FAULT light illuminates amber if:

  1. Overheat is detected
  2. A malfunction and an overheat are detected
  3. An APU bleed leak is detected ✓
  4. A malfunction is detected
正确答案：An APU bleed leak is detected　·　A320　·　来源 Chair Flight A320 Question Bank

55.With the APU running, the APU BLEED pb pushed and the X-BLEED selector to AUTO, the APU will:

  1. Only supply bleed air to the right side
  2. Supply bleed air only to the left side unless the X-Bleed selector is set OPEN
  3. Supply pneumatic air to both sides of the aircraft because the pneumatic crossbleed valve automatically opens ✓
  4. Only supply bleed air to the left side
正确答案：Supply pneumatic air to both sides of the aircraft because the pneumatic crossbleed valve automatically opens　·　A320　·　来源 Chair Flight A320 Question Bank

56.When selected, APU bleed air:

  1. Will supply bleed air only if the ENG BLEED pb’s are manually selected OFF
  2. Will supply bleed air only if the X-BLEED selector is selected OPEN
  3. Has priority over engine bleed air ✓
  4. Does not have priority over eng bleed air
正确答案：Has priority over engine bleed air　·　A320　·　来源 Chair Flight A320 Question Bank

57.APU bleed may be used, if the APU speed is above:

  1. 50 %
  2. 100 %
  3. 95 % ✓
  4. 80 %
正确答案：95 %　·　A320　·　来源 Chair Flight A320 Question Bank

58.In order to use bleed from the APU in flight, the aircraft has to be at or below:

  1. FL200
  2. FL225 ✓
  3. FL250
  4. FL300
正确答案：FL225　·　A320　·　来源 Chair Flight A320 Question Bank

59.APU Bleed pb sw ON: The APU valve opens if N > ___ % and there is no leak in the APU or in the left side bleed

  1. 95% ✓
  2. 80%
  3. 85%
  4. 90%
正确答案：95%　·　A320　·　来源 Chair Flight A320 Question Bank

60.With engines and APU running and APU bleed valve selected on. Select the correct statement:

  1. Engine bleed valves close, X-Bleed valve opens, APU bleed valve opens. ✓
  2. Engine bleed valves open, X-Bleed valves closes, APU bleed valve opens.
  3. Engine bleed valves close, X-Bleed valve closes, APU bleed valve opens.
  4. Engine bleed valves open, X-Bleed valve opens, APU bleed valve closes.
正确答案：Engine bleed valves close, X-Bleed valve opens, APU bleed valve opens.　·　A320　·　来源 Chair Flight A320 Question Bank

61.Bleed leak detection system: For the pylon and APU, the sensing elements are tied to form a ____________loop and for the wing a _______________loop.

  1. double / single
  2. single / single
  3. double / double
  4. single / double ✓
正确答案：single / double　·　A320　·　来源 Chair Flight A320 Question Bank

62.On the ramp with APU running, PARK BRK is set ON, message on ECAM shows PARK BRK.

  1. True ✓
  2. False
正确答案：True　·　A320　·　来源 Chair Flight A320 Question Bank

63.Can you use APU bleed for wing anti ice?

  1. Yes, but it should only be used in severe icing conditions
  2. Yes, always
  3. No, APU bleed will not deliver sufficient flow and pressure for the WING ANTI-ICE system ✓
  4. Yes, but only according supplementary procedures for flight with APU bleed and WING ANTI-ICE
正确答案：No, APU bleed will not deliver sufficient flow and pressure for the WING ANTI-ICE system　·　A320　·　来源 Chair Flight A320 Question Bank

64.What additional external warnings are activated in case of an APU fire on ground only?

  1. APU fire light accompanied by an external horn warning. ✓
  2. An external horn warning.
  3. A fire bell warning.
正确答案：APU fire light accompanied by an external horn warning.　·　A320　·　来源 Chair Flight A320 Question Bank

65.The engine and APU fire protection system includes:

  1. 1 fire agent bottle for each engine - 1 fire agent bottle for the APU.
  2. 2 fire agent bottles for the engines - 2 fire agent bottle for the APU.
  3. 2 fire agent bottles for each engine - 1 fire agent bottle for the APU. ✓
正确答案：2 fire agent bottles for each engine - 1 fire agent bottle for the APU.　·　A320　·　来源 Chair Flight A320 Question Bank

66.The APU TEST PB on the APU FIRE panel permits the flight crew to test the operation of the fire detection and extinguishing system for the APU. When the flight crew presses it:

  1. A triple low chime sounds. The MASTER WARN come on white and APU FIRE warning flashes on the ECAM.
  2. On the APU FIRE panel: The APU FIRE pushbutton lights up red, the SQUIB light comes on white, and the DISCH light comes on amber. ✓
正确答案：On the APU FIRE panel: The APU FIRE pushbutton lights up red, the SQUIB light comes on white, and the DISCH light comes on amber.　·　A320　·　来源 Chair Flight A320 Question Bank

67.How many sensing elements does the APU fire detection system have?

  1. Three
  2. Two
  3. One ✓
  4. Four
正确答案：One　·　A320　·　来源 Chair Flight A320 Question Bank

68.The fire protection for engines, APU and cargo entails

  1. two extinguisher bottles for the engine, one extinguisher bottle for the APU and one fire bottle for the cargo compartments ✓
  2. two extinguisher bottles for the engine, one extinguisher bottle for the APU and two fire bottles for the cargo compartments
  3. one extinguisher bottle for the engine, one extinguisher bottle for the APU and two fire bottles for the cargo compartment
  4. A CIDS, one extinguisher bottle for the engine, one extinguisher bottle for the APU and two fire bottles for the cargo compartment
正确答案：two extinguisher bottles for the engine, one extinguisher bottle for the APU and one fire bottle for the cargo compartments　·　A320　·　来源 Chair Flight A320 Question Bank

69.Which statement is correct in case of APU fire on ground? (more than one statement may be correct)

  1. The APU shuts down and the APU fire warnings operate
  2. A horn in the nose gear bay sounds
  3. The APU fire extinguisher discharges
  4. 1,2,3 ✓
正确答案：1,2,3　·　A320　·　来源 Chair Flight A320 Question Bank

70.What happens if an APU fire is detected on ground?

  1. Nothing happens.
  2. The APU will automatically shut down.
  3. The APU will automatically shut down and the extinguisher is ready to discharge.
  4. The APU will automatically shut down and the extinguisher will discharge. ✓
正确答案：The APU will automatically shut down and the extinguisher will discharge.　·　A320　·　来源 Chair Flight A320 Question Bank

71.The engine and APU fire detection system consists of:

  1. 3 fire detection loops on each engine and 2 fire detection loops attached to the APU which are monitored by the FWC (Flight Warning Computer)
  2. 3 or 4 (depending on configuration) fire detection loops on each engine and 2 fire detection loops attached to the APU which are directly wired to the FWC (Flight Warning Computer)
  3. 3 fire detection loops on each engine and 2 fire detection loops attached to the APU which are monitored by the FDU (Fire Detection Unit)
  4. 2 fire detection loops on each engine and 2 fire detection loops attached to the APU which are monitored by the FDU (Fire Detection Unit) ✓
正确答案：2 fire detection loops on each engine and 2 fire detection loops attached to the APU which are monitored by the FDU (Fire Detection Unit)　·　A320　·　来源 Chair Flight A320 Question Bank

72.If the system detects an APU fire while the aircraft is in flight, how is the APU fire extinguisher bottle discharged?

  1. Manually, via the APU FIRE pb on the external power panel
  2. Manually, via the AGENT pb on the APU FIRE PANEL located on the overhead panel ✓
  3. Manually, via the APU FIRE pb on the APU FIRE PANEL located on the overhead panel
  4. The fire bottle is discharged automatically
正确答案：Manually, via the AGENT pb on the APU FIRE PANEL located on the overhead panel　·　A320　·　来源 Chair Flight A320 Question Bank

73.If you have an APU FIRE which statement is correct?

  1. On the ground, an APU AUTO shut down will occur and the APU fire bottle will be discharged automatically. ✓
  2. On the ground you have to perform the ECAM actions to shut down the APU and extinguish the fire from the cockpit.
  3. On the ground an APU AUTO shut down will occur but you have to discharge the APU fire bottle manually.
  4. In the air, an APU EMER shut down will occur and the APU fire bottle will be discharged automatically.
正确答案：On the ground, an APU AUTO shut down will occur and the APU fire bottle will be discharged automatically.　·　A320　·　来源 Chair Flight A320 Question Bank

74.With bleed air supplied from the APU (APU bleed value open or same pack operation) the pack flow is automatically selected to:

  1. High ✓
  2. Normal
  3. ECON
正确答案：High　·　A320　·　来源 Chair Flight A320 Question Bank

75.APU bleed supply on ground. With the pack flow selector on set to NORM, what is the actual pack flow?

  1. LO with 80% pack valve flow
  2. NORM with 100% pack valve flow
  3. HI with 150 % pack valve flow
  4. HI with 120% pack valve flow ✓
正确答案：HI with 120% pack valve flow　·　A320　·　来源 Chair Flight A320 Question Bank

76.Qué función cumple la Unidad de Potencia Auxiliar (APU)?

  1. Suministrar energía eléctrica y neumática, funcionando en tierra y/o en vuelo ✓
  2. Extender el tren de aterrizaje en caso de una falla hidráulica
  3. Controlar la temperatura de las bodegas de carga
正确答案：Suministrar energía eléctrica y neumática, funcionando en tierra y/o en vuelo　·　A320　·　来源 MTC B2.1 Sistema de Aviones A320/A319

77.How long will the red APU FIRE pb on the overhead be illuminated?

  1. Until the crew pushes and releases the guarded red APU FIRE push button
  2. For as long as the fire warning is present ✓
  3. Until the crew pushes the red MASTER WARN push button
正确答案：For as long as the fire warning is present　·　A320　·　来源 A320 HANDBOOK (general ATA)

78.What is indicated by a missing red APU thermal plug during an exterior preflight?

  1. This is normal indication, the red APU thermal plug only appears if the APU halon cylinder is low
  2. An APU fire agent thermal discharge has occurred ✓
  3. An external fire discharge has been activated
正确答案：An APU fire agent thermal discharge has occurred　·　A320　·　来源 A320 HANDBOOK (general ATA)

79.Are there any warnings to alert ground personnel when there is a fire in the APU compartment?

  1. Yes, but only if previously selected to automatic by the ground personnel
  2. No, APU fire indications are only present in the cockpit
  3. Yes, the external fire warning horn will sound and the APU red fire light will illuminate ✓
正确答案：Yes, the external fire warning horn will sound and the APU red fire light will illuminate　·　A320　·　来源 A320 HANDBOOK (general ATA)
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