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Airbus A320 · Electrical 题库（122 题）

Airbus A320 机型「Electrical」相关知识共 122 道题。想练习或模拟考试，请到 题库 · 模拟考试。
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1.Which of the following AC busses can be powered by the emergency generator?

  1. AC bus 1.
  2. AC bus 2.
  3. AC ESS bus and AC ESS SHED bus. ✓
  4. AC ESS SHED bus.
正确答案：AC ESS bus and AC ESS SHED bus.　·　A320　·　来源 smartcockpit.com

2.What is the minimum voltage when conducting a BATTERY CHECK?

  1. 28 volts.
  2. Less than 60 amps in 10 seconds.
  3. Greater than 24 volts.
  4. Greater than 25 volts. ✓
正确答案：Greater than 25 volts.　·　A320　·　来源 smartcockpit.com

3.If AC Bus 1 fails the AC ESS bus is supplied by the:

  1. Emer Gen.
  2. RAT.
  3. Static Inverter.
  4. AC Bus 2. ✓
正确答案：AC Bus 2.　·　A320　·　来源 smartcockpit.com

4.The aircraft batteries are always connected to the DC BAT BUS.

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

5.Which voltage requires recharging or replacing the batteries?

  1. 20 volts or less.
  2. 24 volts or less.
  3. 25 volts or less. ✓
  4. 26 volts or less.
正确答案：25 volts or less.　·　A320　·　来源 smartcockpit.com

6.The RAT is connected directly and mechanically to the Emergency Generator.

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

7.if the BAT 1 "OFF" white light is illuminated:

  1. The battery charge limiter is not operating and the DC BAT BUS is supplied. ✓
  2. The battery charge limiter is not operating and the DC BAT BUS is partially supplied.
  3. The battery charge limiter is operating but the DC BAT BUS is not supplied.
  4. The battery charge limiter is operating and the DC BAT BUS is partially supplied.
正确答案：The battery charge limiter is not operating and the DC BAT BUS is supplied.　·　A320　·　来源 smartcockpit.com

8.The normal priority for supplying electrical power to the AC busses is:

  1. External power, engine generators then APU.
  2. External power, APU, then engine generators.
  3. APU, external power then engine generators.
  4. Engine generators, external power then APU. ✓
正确答案：Engine generators, external power then APU.　·　A320　·　来源 smartcockpit.com

9.In a SMOKE configuration the main busbars are shed.

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

10.The BAT FAULT light will illuminate when:

  1. Battery voltage is low.
  2. The battery charge limiter is in fault. ✓
  3. Battery voltage is too low or too high.
  4. The battery voltage is too low because of the battery charger.
正确答案：The battery charge limiter is in fault.　·　A320　·　来源 smartcockpit.com

11.While operating on Emergency Electrical Power (EMER GEN powering the system, FAC 1 reset) which of the following control laws are in effect?

  1. Manual.
  2. Alternate. ✓
  3. Backup.
  4. Manual and backup.
正确答案：Alternate.　·　A320　·　来源 smartcockpit.com

12.What is the meaning of the green AVAIL light?

  1. External power is plugged in and parameters are normal. You must push the external power to connect it. ✓
  2. External power is available to the batteries only.
  3. The external power panel door has been opened.
  4. External power is supplying the aircraft systems.
正确答案：External power is plugged in and parameters are normal. You must push the external power to connect it.　·　A320　·　来源 smartcockpit.com

13.While operating on Emergency Electrical Power (EMER GEN powering the system) how is it possible to properly complete the ECAM checklist with only an upper display?

  1. To depress and hold the specific ECAM page push button on the ECAM control panel. ✓
  2. Transfer occurs automatically.
  3. This is not possible.
正确答案：To depress and hold the specific ECAM page push button on the ECAM control panel.　·　A320　·　来源 smartcockpit.com

14.If during a normal flight the BUS TIE pb is depressed to "OFF", what effect would this have on power to the busses?

  1. None. ✓
  2. All power would be lost and the aircraft would be powered by the batteries until the RAT was up to speed.
  3. The power transfer would switch to the opposite bus.
  4. This is not possible as the bus tie contactors are locked out during flight.
正确答案：None.　·　A320　·　来源 smartcockpit.com

15.DC Bat Bus can be supplied by:

  1. DC Bus 1 or batteries.
  2. DC Bus 1, DC Bus 2 or batteries. ✓
  3. DC Bus 2 or batteries.
  4. DC Bus 1 only.
正确答案：DC Bus 1, DC Bus 2 or batteries.　·　A320　·　来源 smartcockpit.com

16.If a TR fails:

  1. The other TR automatically replaces the faulty one and the ESS TR supplies the DC Ess Bus. ✓
  2. The static inverter replaces the faulty TR.
  3. The DC Bus on the faulty side is lost.
  4. The Emergency generator supplies DC power on the faulty side.
正确答案：The other TR automatically replaces the faulty one and the ESS TR supplies the DC Ess Bus.　·　A320　·　来源 smartcockpit.com

17.When are the Essential Shed buses powered by the battery?

  1. Never. The purpose of the shed buses is to reduce the load on the batteries. ✓
  2. In case of double generator failure.
  3. In case of single or double generator failure.
  4. After every IDG connection.
正确答案：Never. The purpose of the shed buses is to reduce the load on the batteries.　·　A320　·　来源 smartcockpit.com

18.The RAT powers the blue hydraulic system, which drives the emergency generator by the means of an electric motor.

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

19.Entering a dark cockpit, what action is necessary before checking the battery voltages?

  1. To check that the external power is on.
  2. To ensure that at least one battery is on.
  3. To ensure that both batteries are on.
  4. To verify that both batteries are off. ✓
正确答案：To verify that both batteries are off.　·　A320　·　来源 smartcockpit.com

20.Are there any limitations associated with disconnecting an IDG?

  1. Never disconnect an IDG in flight or push the IDG disconnect push button for more than 30 seconds.
  2. There is no limitation.
  3. Never disconnect an IDG in flight or push the IDG disconnect push button for more than 5 seconds.
  4. Never disconnect an IDG unless the engine is running, nor push the IDG disconnect push button for more than 3 seconds. ✓
正确答案：Never disconnect an IDG unless the engine is running, nor push the IDG disconnect push button for more than 3 seconds.　·　A320　·　来源 smartcockpit.com

21.In flight in case of loss of all main generators, emergency generator not running, the DC ESS Bus is supplied by:

  1. Hot bus 2. ✓
  2. ESS TR.
  3. Hot Bus and ESS TR.
  4. Hot Bus 1.
正确答案：Hot bus 2.　·　A320　·　来源 smartcockpit.com

22.The APU is supplying the electrical system. What is the order of priority for the different generators?

  1. Engines, external power, APU. ✓
  2. APU, engines, external power.
  3. External power, engines, APU.
  4. APU, external power, engines.
正确答案：Engines, external power, APU.　·　A320　·　来源 smartcockpit.com

23.In cruise, you have suddenly a Master Warning and caution comes on with ELEC EMER CONFIG. You notice a red FAULT light on the RAT and EMER GEN pushbutton. What does it indicate?

  1. The EMER GEN is not yet supplying the system. ✓
  2. The RAT has failed. You will have to turn the batteries to OFF.
  3. The FAULT light is always on when are in ELEC EMER CONFIG.
  4. The RAT has failed. Both IDGs should be reconnected.
正确答案：The EMER GEN is not yet supplying the system.　·　A320　·　来源 smartcockpit.com

24.While operating on Emergency Electrical Power with the landing gear lowered which of the following control laws is in effect?

  1. Backup.
  2. Direct. ✓
  3. Alternate.
  4. Backup or alternate.
正确答案：Direct.　·　A320　·　来源 smartcockpit.com

25.In the event that normal AC power is not available, an emergency generator can provide AC power. In the event that all AC power is not available, the electrical power system can invert DC power from the batteries into AC power.

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

26.The Airbus A320 has _____ batteries in its main electrical system.

  1. One.
  2. Two. ✓
  3. Three.
  4. Three (Four when ETOPS capable).
正确答案：Two.　·　A320　·　来源 smartcockpit.com

27.What does the BUS TIE Pushbutton do when Selected OFF?

  1. Isolates both sides of the electrical system.
  2. Isolates both sides of the electrical system. APU or Ground Power are not available. ✓
  3. Aircraft reverts to battery power.
  4. Nothing happens on the ground.
正确答案：Isolates both sides of the electrical system. APU or Ground Power are not available.　·　A320　·　来源 smartcockpit.com

28.The IDG FAULT light comes on, if:

  1. IDG oil outlet overheats or IDG oil pressure is low. ✓
  2. IDG overheats.
  3. IDG temperature is above 300 deg.C.
  4. IDG temperature is above 300 deg.C or IDG pressure is below 10 psi.
正确答案：IDG oil outlet overheats or IDG oil pressure is low.　·　A320　·　来源 smartcockpit.com

29.What is the function of the GEN 1 LINE push button?

  1. When selected OFF the avionics compartment isolation valves close.
  2. When selected OFF the generator 1 powers all AC busses.
  3. When selected OFF generator 1 is removed from all busses but continues to power one fuel pump in each wing. ✓
正确答案：When selected OFF generator 1 is removed from all busses but continues to power one fuel pump in each wing.　·　A320　·　来源 smartcockpit.com

30.Which busses will be powered after the RAT is extended and the EMER GEN begins producing power?

  1. BATT HOT busses, ESS DC, ESS DC SHED, ESS AC and ESS AC SHED. ✓
  2. The STATIC INVERTER would power both HOT BATT busses, ESS DC and ESS AC through the ESS AC SHED busses.
  3. The BATTERIES would power both HOT BATT busses, ESS DC and ESS AC through the STATIC INVERTER.
  4. ESS DC, ESS DC SHED, ESS AC and ESS AC SHED.
正确答案：BATT HOT busses, ESS DC, ESS DC SHED, ESS AC and ESS AC SHED.　·　A320　·　来源 smartcockpit.com

31.Which flight control computers are operational in the Emergency Electrical Power configuration (gear down and batteries powering the system)?

  1. All are operational.
  2. ELAC 1, SEC 1, and FAC 1.
  3. ELAC 1 and 2, SEC 1 and 2, FAC 1.
  4. ELAC 1 and SEC 1. ✓
正确答案：ELAC 1 and SEC 1.　·　A320　·　来源 smartcockpit.com

32.In flight on batteries only, the AC ESS Shed bus and DC ESS Shed bus are lost.

  1. True. ✓
  2. False.
  3. Only the ESS Shed Bus is lost.
  4. Only the DC ESS Shed Bus is lost.
正确答案：True.　·　A320　·　来源 smartcockpit.com

33.What cockpit lighting is available during an emergency electrical situation?

  1. Emergency path lighting only.
  2. Right side Dome light, main panel flood lights (left two columns only), and the standby compass light. ✓
  3. Located on normal circuit breaker panels.
  4. Right side dome light, main panel flood lights, and the standby compass light.
正确答案：Right side Dome light, main panel flood lights (left two columns only), and the standby compass light.　·　A320　·　来源 smartcockpit.com

34.FAILURE OF AC BUS 1 - DC BUS 2 supplies DC BUS 1 and DC BAT BUS automatically after _____

  1. 2 seconds.
  2. 5 seconds. ✓
  3. 8 seconds.
  4. 10 seconds maximum.
正确答案：5 seconds.　·　A320　·　来源 smartcockpit.com

35.The number 1 AC bus channel normally supplies power to _____ and to the _____ bus which supplies power to the ______ bus.

  1. TR2 / AC ESS SHED / DC ESS SHED.
  2. TR1 / AC ESS SHED / DC ESS.
  3. TR1 / AC ESS / AC ESS SHED. ✓
  4. TR1 / AC ESS / DC ESS SHED.
正确答案：TR1 / AC ESS / AC ESS SHED.　·　A320　·　来源 smartcockpit.com

36.Normal minimum battery voltage before APU start is:

  1. 24 Volts.
  2. 27.5 Volts.
  3. 25.5 Volts. ✓
  4. 22.5 Volts.
正确答案：25.5 Volts.　·　A320　·　来源 smartcockpit.com

37.The engine generators and APU generator are rated at _____ KVA.

  1. 50.
  2. 70.
  3. 90. ✓
  4. 110.
正确答案：90.　·　A320　·　来源 smartcockpit.com

38.An AC ESS FEED switch located on the overhead panel shifts the power source for the AC ESS bus from:

  1. AC bus 1 to AC bus 2. ✓
  2. AC bus 1 to AC Grnd/Flt bus.
  3. AC bus 2 to AC bus 1.
正确答案：AC bus 1 to AC bus 2.　·　A320　·　来源 smartcockpit.com

39.The generators can be connected in parallel.

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

40.If both AC BUS 1 and AC BUS 2 are lost and the aircraft speed is above _____, the RAT extends automatically.

  1. 90 kt.
  2. 100 kt. ✓
  3. 110 kt.
  4. 120 kt.
正确答案：100 kt.　·　A320　·　来源 smartcockpit.com

41.The BATTERY BUS is normally powered by the:

  1. DC BUS 2.
  2. DC BUS 1 and DC BUS 2.
  3. DC bus 1 through a DC tie control relay. ✓
  4. DC bus 2 through a DC tie control relay.
正确答案：DC bus 1 through a DC tie control relay.　·　A320　·　来源 smartcockpit.com

42.Two generators are needed to supply the DC BUS Entertainment, except on ground, where the APU generator (if not overloaded) or the external power is sufficient.

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

43.What would cause the GALLEY fault light to illuminate?

  1. The load on any generator is above 105% of its rated output.
  2. The Main Galley has shed.
  3. The load on any generator is above 100% of its rated output. ✓
  4. The Aft Galley has shed.
正确答案：The load on any generator is above 100% of its rated output.　·　A320　·　来源 smartcockpit.com

44.Aircraft on ground in Emergency electrical configuration - The batteries automatically connect to the DC BAT bus when speed decreases below _____.

  1. 50 knots.
  2. 70 knots.
  3. 90 knots.
  4. 100 knots. ✓
正确答案：100 knots.　·　A320　·　来源 smartcockpit.com

45.An automatic thermal disconnection of the IDG will occur if the temperature reaches:

  1. 150 deg.C.
  2. 200 deg.C. ✓
  3. 250 deg.C.
  4. 300 deg.C.
正确答案：200 deg.C.　·　A320　·　来源 smartcockpit.com

46.What is the significance of the green collared circuit breakers?

  1. Green collared circuit breakers are pulled when flying on battery power only.
  2. Green collared circuit breakers are monitored by the ECAM. ✓
  3. Green collared circuit breakers are not to be reset.
  4. Green collared circuit breakers are AC powered.
正确答案：Green collared circuit breakers are monitored by the ECAM.　·　A320　·　来源 smartcockpit.com

47.After IDG disconnection why do you get a GALLEY SHED indication on the SD?

  1. It is a reminder to push the GALLEY pushbutton to manually shed the main galley.
  2. It is a reminder to get the flight attendants to switch off galley equipment to decrease the load on the remaining generator.
  3. It is a reminder that the main galley has been shed automatically following the loss of one generator. ✓
正确答案：It is a reminder that the main galley has been shed automatically following the loss of one generator.　·　A320　·　来源 smartcockpit.com

48.When no other power is available in flight, the static inverter converts _____ power to AC power for the _____ bus and _____ powers the _____ bus.

  1. BAT1 DC / AC ESS bus / BAT2 / DC ESS. ✓
  2. BAT1 DC / AC ESS SHED / BAT2 / DC ESS SHED.
  3. BAT1 DC / AC ESS bus / BAT2 / DC ESS SHED.
  4. BAT1 DC / AC ESS bus / DC ESS.
正确答案：BAT1 DC / AC ESS bus / BAT2 / DC ESS.　·　A320　·　来源 smartcockpit.com

49.What does the blue EXT PWR ON light mean?

  1. External power is plugged in and parameters are normal
  2. External power is supplying the aircraft’s electrical system. ✓
  3. There is a fault with the external power.
  4. External power is plugged in.
正确答案：External power is supplying the aircraft’s electrical system.　·　A320　·　来源 smartcockpit.com

50.FAILURE OF ONE TR - The contactor of each TR opens automatically, in case of:

  1. Overheat and/or minimum current. ✓
  2. Overheat.
  3. Malfunction.
  4. Current malfunction.
正确答案：Overheat and/or minimum current.　·　A320　·　来源 smartcockpit.com

51.Which flight control computer will be inoperative with gear extension while in the Emergency Electrical Configuration?

  1. FAC 1 (Flight Augmentation Computer) and ELAC 1 (Elevator Aileron Computer).
  2. SEC 1 (Spoiler Elevator Computer).
  3. SEC 1 (Spoiler Elevator Computer) and ELAC 1 (Elevator Aileron Computer).
  4. FAC 1 (Flight Augmentation Computer). ✓
正确答案：FAC 1 (Flight Augmentation Computer).　·　A320　·　来源 smartcockpit.com

52.What happens in case of total loss of main generators?

  1. The RAT is automatically extended and powers the yellow system which drives the emergency generator.
  2. The RAT is automatically extended and powers the blue system which drives the emergency generator. ✓
  3. The RAT has to be manually extended.
  4. The RAT is extended and mechanically connected to the emergency generator.
正确答案：The RAT is automatically extended and powers the blue system which drives the emergency generator.　·　A320　·　来源 smartcockpit.com

53.While operating on Emergency Electrical Power with the landing gear lowered which of the following statements is correct?

  1. If the APU is not operating it should be started at this time.
  2. The APU will not start until the aircraft has come to a complete stop and all power has been removed for 15 seconds.
  3. On the ground at 100 knots, the DC BATTERY BUS automatically reconnects to the batteries allowing APU start. ✓
  4. At 70 knots ESS AC is disconnected from the batteries.
正确答案：On the ground at 100 knots, the DC BATTERY BUS automatically reconnects to the batteries allowing APU start.　·　A320　·　来源 smartcockpit.com

54.During the 5 seconds it takes for the RAT to extend:

  1. The BATTERIES power both BATT HOT busses, ESS DC SHED, and ESS AC SHED through the STATIC INVERTER.
  2. The BATTERIES power both BATT HOT busses, ESS DC, and ESS AC through the STATIC INVERTER. ✓
  3. The STATIC INVERTER powers both BATT HOT busses, ESS DC, and ESS AC through the ESS AC SHED busses.
  4. The BATTERIES power both BATT HOT busses.
正确答案：The BATTERIES power both BATT HOT busses, ESS DC, and ESS AC through the STATIC INVERTER.　·　A320　·　来源 smartcockpit.com

55.If batteries are the only source of power in flight, how long will battery power be available?

  1. Between 22 and 30 minutes depending on equipment in use. ✓
  2. Until the APU is started.
  3. Between 30 and 60 minutes depending on equipment in use.
  4. Around 45 minutes depending on equipment in use.
正确答案：Between 22 and 30 minutes depending on equipment in use.　·　A320　·　来源 smartcockpit.com

56.The IDG shall be disconnected only when the engine is running or windmilling. If not, the IDG will be damaged when starting the engine.

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

57.The purpose of the AUTO BUS TIE is to allow either engine-driven IDG to automatically power both main AC buses in the event of a generator loss until either ground power or the APU generator is activated.

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

58.In normal electrical configuration, how is DC ESS bus supplied:

  1. From TR 1 via DC Bus 1 and DC Bat Bus. ✓
  2. From ESS TR.
  3. From TR 2.
  4. From Bat 2.
正确答案：From TR 1 via DC Bus 1 and DC Bat Bus.　·　A320　·　来源 smartcockpit.com

59.How many times can you reset a circuit breaker?

  1. Once.
  2. Once, if authorized by the procedure. ✓
  3. Twice.
  4. Twice, if authorized by the procedure.
正确答案：Once, if authorized by the procedure.　·　A320　·　来源 smartcockpit.com

60.How is the FADEC electrical powered?

  1. The FADEC is self-powered by a magnetic alternator above 12% N2 otherwise by A/C supply. ✓
  2. The FADEC is self-powered by an internal 28 V DC generator above 20% N2 otherwise by A/C supply.
  3. The FADEC is self-powered by an internal 28 V DC generator above 12% N2 otherwise by A/C supply.
  4. The FADEC is self-powered by a magnetic alternator above 20% N2 otherwise by A/C supply.
正确答案：The FADEC is self-powered by a magnetic alternator above 12% N2 otherwise by A/C supply.　·　A320　·　来源 Chair Flight A320 Question Bank

61.When the electric pump is operating the FWD or AFT cargo doors, the only other system devices that can operate are braking and engine 2 reverse.

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

62.Bleed air & electrical power are available up to:

  1. 14.500 ft
  2. 20.000 ft
  3. 22.500 ft ✓
  4. 25.000 ft
正确答案：22.500 ft　·　A320　·　来源 Chair Flight A320 Question Bank

63.APU start on battery is possible ______ ?

  1. On ground only
  2. Up to 35.000ft
  3. Up to 20.000 ft
  4. Up to 25.000 ft ✓
正确答案：Up to 25.000 ft　·　A320　·　来源 Chair Flight A320 Question Bank

64.What is the altitude limitation for APU BATTERY RESTART (ELEC EMERG CONFIG)?

  1. 39 000 ft.
  2. 25 000 ft. ✓
  3. 20 000 ft.
  4. 15 000 ft.
正确答案：25 000 ft.　·　A320　·　来源 Chair Flight A320 Question Bank

65.The MASTER SW push button controls the electric power supply for APU operation, and the shutdown sequences. If the aircraft was using APU bleed air:

  1. the APU keeps running for a cooling period of 60 seconds ✓
  2. the APU keeps running for a cooling period of 30 seconds
  3. the APU shuts down immediately, because there is no cooling period necessary
  4. the APU keeps running for a cooling period of 120 seconds
正确答案：the APU keeps running for a cooling period of 60 seconds　·　A320　·　来源 Chair Flight A320 Question Bank

66.FIXED OXYGEN SYSTEM FOR CABIN - The generation of oxygen begins when the passenger pulls the mask towards the passenger seat. The mask receives pure oxygen under positive pressure for about ___ min, until the generator is exhausted

  1. 12 min
  2. 10 min
  3. 20 min
  4. 15 min ✓
正确答案：15 min　·　A320　·　来源 Chair Flight A320 Question Bank

67.FIXED OXYGEN SYSTEM FOR CABIN - Each container has an electrical latching mechanism that opens automatically to allow the masks to drop if:

  1. The cabin pressure altitude exceeds 14 000 ft exactly. The flight crew can not override the automatic control
  2. The cabin pressure altitude exceeds 14 000 ft (+ 250, - 750 ft). The flight crew can not override the automatic control
  3. The cabin pressure altitude exceeds 14 000 ft (+ 250, - 750 ft). The flight crew can override the automatic control ✓
  4. The cabin pressure altitude exceeds 14 000 ft exactly. The flight crew can override the automatic control
正确答案：The cabin pressure altitude exceeds 14 000 ft (+ 250, - 750 ft). The flight crew can override the automatic control　·　A320　·　来源 Chair Flight A320 Question Bank

68.Fixed oxygen system cabin: Each chemical generator container has an electrical latching mechanism that opens automatically to allow the masks to drop, if the cabin pressure altitude exceeds ________________________.

  1. 12000 feet (+ 250, - 750)
  2. 13000 feet (+ 250, - 750)
  3. 14000 feet (+ 250, - 750) ✓
正确答案：14000 feet (+ 250, - 750)　·　A320　·　来源 Chair Flight A320 Question Bank

69.If electrical power fails, the engine anti-ice valve:

  1. Closes
  2. Remains it its last position
  3. Opens ✓
  4. Moves automatically in the mid position
正确答案：Opens　·　A320　·　来源 Chair Flight A320 Question Bank

70.Which components are electrically heated?

  1. All answers are correct ✓
  2. Flight compartment window
  3. Sensors, pitot probes and static ports
  4. Waste water drain mast
正确答案：All answers are correct　·　A320　·　来源 Chair Flight A320 Question Bank

71.Electrical heating protects:

  1. Pitot probes, Static ports, Angle-Of-Attack (AOAs) probes and Total Air Temperature (TAT) probes ✓
  2. Pitot probes and Static ports only
  3. Pitot probes, Static ports and TAT probes only
  4. Pitot probes and Angle-Of-Attack (AOAs) probes only
正确答案：Pitot probes, Static ports, Angle-Of-Attack (AOAs) probes and Total Air Temperature (TAT) probes　·　A320　·　来源 Chair Flight A320 Question Bank

72.In the event of an electrical power supply loss …

  1. The engine anti-ice valves will open automatically, anti-icing is ensured. ✓
  2. The engine anti-ice valves will close automatically, anti-icing is lost.
  3. The engine anti-ice valves will be controlled by the wing anti-ice controls.
正确答案：The engine anti-ice valves will open automatically, anti-icing is ensured.　·　A320　·　来源 Chair Flight A320 Question Bank

73.In case of loss of electrical power supply, the engine anti-ice valve:

  1. Opens when the engine is stopped.
  2. Opens when the engine is running. ✓
  3. Closes when the engine is running.
正确答案：Opens when the engine is running.　·　A320　·　来源 Chair Flight A320 Question Bank

74.Each front windshield has an electrical wiper which can operate at:

  1. Low speed and high speed ✓
  2. Only one speed
  3. Low, medium, high speed
  4. Interval, high speed
正确答案：Low speed and high speed　·　A320　·　来源 Chair Flight A320 Question Bank

75.Ice and Rain Protection: The electric wipers are controlled by two individual rotary selectors:

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

76.When the RAT MAN ON PB is pressed in case of blue electric pump failure:

  1. The blue hydraulic system is pressurized by the RAT driven hydraulic pump. ✓
  2. The emergency generator is supplying electrical power.
  3. The blue hydraulic system is pressurized and the emergency generator is running.
正确答案：The blue hydraulic system is pressurized by the RAT driven hydraulic pump.　·　A320　·　来源 Chair Flight A320 Question Bank

77.On ground, with the blue electric pump PB in AUTO, the circuit is energized if:

  1. One battery is on auto.
  2. Ground electrical power is on.
  3. One engine is running or BLUE PUMP OVRD PB has been pressed. ✓
正确答案：One engine is running or BLUE PUMP OVRD PB has been pressed.　·　A320　·　来源 Chair Flight A320 Question Bank

78.What happens when the ground crew move the cargo door manual selector either to OPEN or CLOSE position (aircraft is electrically powered)?

  1. The yellow electrical pump is automatically energized and pressurizes the entire yellow system
  2. The yellow electrical pump is automatically energized and the yellow system is partly pressurized (Cargo Doors and alternate braking only)
  3. The cargo door will not move until the yellow electrical pump is switched on with the pushbutton on the cockpit hydraulic panel
  4. The yellow electrical pump is automatically energized, the yellow system is partly pressurized (cargo doors, engine 2 reverse and alternate braking only) ✓
正确答案：The yellow electrical pump is automatically energized, the yellow system is partly pressurized (cargo doors, engine 2 reverse and alternate braking only)　·　A320　·　来源 Chair Flight A320 Question Bank

79.Which statement about the YELLOW electrical Pump is correct?

  1. The YELLOW electrical pump will be used immidiatly after an “HYD Y ENG 2 PUMP LO PR” ECAM caution
  2. When the pump is switched on, the YELLOW system will only be partially pressurized (cargo doors, braking and engine 2 reverse only)
  3. The electric pump can also pressurize the system, which allows YELLOW hydraulics to be used on the ground when the engines are stopped ✓
  4. When the pump is switched ON on ground, the PTU is inhibited automatically and only the YELLOW system will be pressurized
正确答案：The electric pump can also pressurize the system, which allows YELLOW hydraulics to be used on the ground when the engines are stopped　·　A320　·　来源 Chair Flight A320 Question Bank

80.electrical transfer valve(s) is (are) mounted in each wing to permit fuel transfer from the outer to the inner tank.

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

81.When engine FIRE push-button is pushed and released, an electrical signal is sent to perform among others following for the corresponding engine :

  1. Arms the fire extinguisher squibs and closes the low-pressure fuel valve, hydraulic fire shut off valve and engine bleed valve ✓
  2. Shuts down the APU and closes the low-pressure fuel valve, hydraulic fire shut off valve and engine bleed valve
  3. Cuts off the FADEC power supply and closes the high-pressure fuel valve, hydraulic fire shut off valve and engine bleed valve
  4. Shuts down the APU, deactivates the IDG, closes the low-pressure fuel valve, hydraulic fire shut off valve and engine bleed valve
正确答案：Arms the fire extinguisher squibs and closes the low-pressure fuel valve, hydraulic fire shut off valve and engine bleed valve　·　A320　·　来源 Chair Flight A320 Question Bank

82.A lithium battery catches visible fire in the cockpit:

  1. Cockpit/Cabin communication should be established
  2. PF shall use his QDM
  3. PM shall to use the smoke hood
  4. All answers are correct ✓
正确答案：All answers are correct　·　A320　·　来源 Chair Flight A320 Question Bank

83.What do you have to consider if you have to disconnect an IDG?

  1. Push the IDG pb-sw for at least 3 seconds
  2. Disconnect the IDG only when the engine is running or windmilling ✓
  3. Push the IDG pb-sw for at at least 4 seconds
  4. Nothing needs to be considered
正确答案：Disconnect the IDG only when the engine is running or windmilling　·　A320　·　来源 Chair Flight A320 Question Bank

84.If the IDG is disconnected once.

  1. The IDG may be reconnected in flight
  2. The IDG may be reconnected on ground only ✓
  3. The IDG may be reconnected in flight in idle thrust only
  4. The IDG must be exchanged by maintenance
正确答案：The IDG may be reconnected on ground only　·　A320　·　来源 Chair Flight A320 Question Bank

85.How is the emergency generator powered?

  1. The ram air turbine (RAT) must be extended. This powers the blue hydraulic system, which drives the emergency generator by means of a hydraulic motor ✓
  2. The ram air turbine (RAT) must be extended. This powers the green hydraulic system, which drives the emergency generator by means of a hydraulic motor
  3. By the yellow hydraulic power through the PTU to drive EMER ELEC GEN in the green hydraulic system
  4. By one of the electric pumps, whichever is switched on
正确答案：The ram air turbine (RAT) must be extended. This powers the blue hydraulic system, which drives the emergency generator by means of a hydraulic motor　·　A320　·　来源 Chair Flight A320 Question Bank

86.How much is the power output of each engine driven generator?

  1. 90 KVA ✓
  2. 45 KVA
  3. 5 KVA
正确答案：90 KVA　·　A320　·　来源 Chair Flight A320 Question Bank

87.What would happen to the battery voltage if you switch off the main power supply (EXT PWR+APU) and left the BAT 1 and BAT 2 pushbuttons in the AUTO position?

  1. The batteries would discharge completely
  2. The automatic cut-off logic would prevent the batteries from discharging completely ✓
  3. Nothing, because the batteries are not connected to the DC BAT BUS
  4. Only battery 2 would discharge completely
正确答案：The automatic cut-off logic would prevent the batteries from discharging completely　·　A320　·　来源 Chair Flight A320 Question Bank

88.IDG FAULT light lights up amber if:

  1. The IDG oil outlet overheats or IDG oil pressure is low ✓
  2. The IDG is disconnected
  3. The IDG outlet oil TEMP too low or IDG oil outlet overheats
  4. The IDG is disconnected and IDG oil pressure is low
正确答案：The IDG oil outlet overheats or IDG oil pressure is low　·　A320　·　来源 Chair Flight A320 Question Bank

89.If both the AC BUS 1 and AC BUS 2 buses are lost and the aircraft speed is above ________, the Ram Air Turbine (RAT) extends automatically:

  1. 130 knots
  2. 100 knots ✓
  3. 50 knots
  4. 150 knots
正确答案：100 knots　·　A320　·　来源 Chair Flight A320 Question Bank

90.A Generator Control Unit (GCU) controls the output of each generator. The main function(s) of each GCU are:

  1. Control the frequency and voltage of the generator output and protect the network by controlling the associated Generator Line Contactor (GLC) ✓
  2. Control the voltage of the generator output only
  3. Control the frequency of the generator output only
  4. Controls the revolutions of each generator drive gear in order to get constant Frequency
正确答案：Control the frequency and voltage of the generator output and protect the network by controlling the associated Generator Line Contactor (GLC)　·　A320　·　来源 Chair Flight A320 Question Bank

91.If AC BUS 1 fails, the AC ESS BUS is supplied by:

  1. Emergency generator
  2. AC BUS 2 ✓
  3. Battery 2 via the static inverter 2
正确答案：AC BUS 2　·　A320　·　来源 Chair Flight A320 Question Bank

92.In case of loss of all main generators, prior to RAT extension and emergency generator coupling, the emergency generation network (AC and DC power) is supplied by:

  1. The static inverter
  2. The batteries and the transformer rectifier (TR)
  3. The batteries via the static inverter for AC power and the batteries for DC power ✓
  4. DC power by the batteries via the static inverter and AC power by the batteries
正确答案：The batteries via the static inverter for AC power and the batteries for DC power　·　A320　·　来源 Chair Flight A320 Question Bank

93.The two batteries are connected to the DC BAT BUS if they need charging. When they are fully charged the battery charge limiter:

  1. Disconnects them ✓
  2. Maintains a trickle charge
  3. Remains connected
  4. Disconnects them, but after a time delay of exactly 20min they will be connected again
正确答案：Disconnects them　·　A320　·　来源 Chair Flight A320 Question Bank

94.On the emergency electric power panel, a fault light illuminates under the 'RAT and EMER GEN' label. What does it mean?

  1. RAT is not extended
  2. The emergency generator is not supplying when AC bus 1 and 2 are not powered (above 100 kts) or DC bat bus is not powered
  3. The emergency generator is supplying but AC ess bus is not powered
  4. The emergency generator is not supplying power when AC bus 1 and 2 are not powered ✓
正确答案：The emergency generator is not supplying power when AC bus 1 and 2 are not powered　·　A320　·　来源 Chair Flight A320 Question Bank

95.When the aircraft main electrical system is not powered, the battery voltage can be checked:

  1. On the ECAM electrical system page
  2. On the electrical section of the overhead panel ✓
  3. There are no indications
  4. Both on the ECAM electrical system page and on the electrical section of the overhead panel
正确答案：On the electrical section of the overhead panel　·　A320　·　来源 Chair Flight A320 Question Bank

96.When the aircraft speed is above ________, the static inverter is automatically activated, if nothing but the batteries are supplying electrical power to the aircraft, regardless of the BAT 1 and BAT 2 pb-sw positions.

  1. 100 knots
  2. 50 knots ✓
  3. 75 knots
  4. 72 knots
正确答案：50 knots　·　A320　·　来源 Chair Flight A320 Question Bank

97.What are the priorities in the electrical power supply of the A/C?

  1. GEN 1 and 2 over APU and over EXT PWR. External power has priority over APU generator when the EXT PWR pb switch is ON ✓
  2. APU over EXT PWR over GEN 1 and 2
  3. EXT PWR over GEN 1 and 2 over APU
  4. APU over GEN 1 and 2 over EXT PWR
正确答案：GEN 1 and 2 over APU and over EXT PWR. External power has priority over APU generator when the EXT PWR pb switch is ON　·　A320　·　来源 Chair Flight A320 Question Bank

98.Which statement concerning the electrical generators is correct?

  1. One engine generator can supply the entire network
  2. The generators cannot be connected in parallel
  3. All answers are correct ✓
  4. The APU generator or external power can supply the entire network
正确答案：All answers are correct　·　A320　·　来源 Chair Flight A320 Question Bank

99.While operating in emergency electrical configuration with the landing gear extended, which of the following control laws is active?

  1. Direct law ✓
  2. Alternate law
  3. Backup law
  4. Mechanical law
正确答案：Direct law　·　A320　·　来源 Chair Flight A320 Question Bank

100.Which busses will be powered after the RAT is extended and the EMER GEN begins producing electrical power?

  1. DC ESS, DC ESS SHED, AC ESS and AC SHED
  2. The STATIC INVERTER would power both HOT BAT busses, DC ESS and AC ESS through the AC ESS SHED busses
  3. The batteries would power both HOT BAT busses, DC ESS and AC ESS through the STATIC INVERTER
  4. HOT BAT busses, DC ESS, DC ESS SHED, AC ESS and AC ESS SHED ✓
正确答案：HOT BAT busses, DC ESS, DC ESS SHED, AC ESS and AC ESS SHED　·　A320　·　来源 Chair Flight A320 Question Bank

101.During an emergency electrical configuration what happens after landing?

  1. Below 100 kt, DC BAT BUS is automatically connected to the batteries and below 50 kt the AC ESS BUS is no longer powered, leading to the loss of all display units ✓
  2. Below 100 kt, DC ESS BUS is automatically connected to the batteries and below 50 kt the DC ESS BUS is no longer powered, leading to the loss of all display units
  3. Below 100 kt, AC ESS BUS is automatically disconnected and below 50 kt the DC ESS BUS is no longer powered from the ESS TR, leading to the loss of all display units
  4. The DC BAT BUS is automatically connected to the batteries below 50 kts
正确答案：Below 100 kt, DC BAT BUS is automatically connected to the batteries and below 50 kt the AC ESS BUS is no longer powered, leading to the loss of all display units　·　A320　·　来源 Chair Flight A320 Question Bank

102.Which statement about the IDG is correct?

  1. Pushing the IDG pb-sw for more than 3 seconds may damage the IDG disconnection mechanism ✓
  2. Push the IDG pb for at least 3 seconds to disconnect the IDG
  3. The IDG can be reconnected at anytime
  4. The FAULT light on the IDG pb remains ON after disconnection of the IDG
正确答案：Pushing the IDG pb-sw for more than 3 seconds may damage the IDG disconnection mechanism　·　A320　·　来源 Chair Flight A320 Question Bank

103.The generator indications on the ECAM page are:

  1. Load (%), voltage (V) and frequency (HZ) ✓
  2. Load (A), voltage (V) and frequency (HZ)
  3. Load (A) and frequency (HZ) only
  4. Voltage (V) and frequency (HZ) only
正确答案：Load (%), voltage (V) and frequency (HZ)　·　A320　·　来源 Chair Flight A320 Question Bank

104.The EMERGENCY GENERATOR is driven by:

  1. Directly by the RAT
  2. Electrically by the DC bus
  3. By a hydraulic motor in the BLUE hydraulic system ✓
  4. By a hydraulic motor in the YELLOW hydraulic system
正确答案：By a hydraulic motor in the BLUE hydraulic system　·　A320　·　来源 Chair Flight A320 Question Bank

105.The EMERGENCY GENERATOR supplies :

  1. DC BUS 1 and DC BUS 2
  2. AC BUS 1
  3. AC BUS 2
  4. AC ESS BUS ✓
正确答案：AC ESS BUS　·　A320　·　来源 Chair Flight A320 Question Bank

106.To disconnect the IDG press the guarded IDG DISCONNECT pb-sw for:

  1. At least 3 seconds
  2. A maximum of 3 seconds ✓
  3. At least 10 seconds
  4. A maximum of 10 seconds
正确答案：A maximum of 3 seconds　·　A320　·　来源 Chair Flight A320 Question Bank

107.What is the important thing to remember, to avoid damaging the disconnection mechanism of the IDG, when the IDG pb-sw will be pushed?

  1. To push the IDG pb-sw until the GEN FAULT light comes on and then for at least 3 more seconds
  2. To push the IDG pb-sw for a maximum of 3 seconds but make sure that the engine is running or windmilling ✓
  3. To push the IDG pb-sw for at least 10 seconds to ensure the disconnection
  4. To push the IDG pb-sw until the GEN FAULT light comes on, but only for a maximum of 5 seconds
正确答案：To push the IDG pb-sw for a maximum of 3 seconds but make sure that the engine is running or windmilling　·　A320　·　来源 Chair Flight A320 Question Bank

108.After an IDG disconnection, why do you get a GALLEY SHED indication on the SD?

  1. It is a reminder to push the GALLEY pb to manually shed the main galley
  2. It is a reminder to get the flight attendants to switch off galley equipment to decrease the load on the remaining generator
  3. It is a reminder that the main galleys have been shed automatically following the loss of one generator ✓
  4. It indicates that the APU generator powers the galley equipment
正确答案：It is a reminder that the main galleys have been shed automatically following the loss of one generator　·　A320　·　来源 Chair Flight A320 Question Bank

109.Can the cylinder pressure be checked when there is no electrical power?

  1. No, it requires the ECAM to be powered
  2. Yes, by a direct-reading pressure gauge located on the cylinder itself ✓
  3. Only by using an external maintenance terminal
  4. Only if the APU is running
正确答案：Yes, by a direct-reading pressure gauge located on the cylinder itself　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

110.On the passengers oxygen system, how is reseted the electrical circuit after system operation?

  1. The MASK MANUAL ON P/B SW MUST BE PRESSED
  2. The OXYGEN TMR RESET P/B SW MUST BE PRESSED ✓
  3. The MASTER WARNING P/B SW MUST BE PRESSED
正确答案：The OXYGEN TMR RESET P/B SW MUST BE PRESSED　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

111.The chemical generators offer oxygen to the passengers for about?

  1. 15 to seconds
  2. 12 to 25 minutes
  3. 15 to 22 minutes ✓
正确答案：15 to 22 minutes　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

112.When starts to operate the oxygen generator on the passenger masks after an automatic activation?

  1. As soon as the mask fall down
  2. When the first user pulls the mask toward his face, the release pin starts the chemical generation ✓
  3. When the last user pulls the mask toward his face, the release pin starts the chemical generation
正确答案：When the first user pulls the mask toward his face, the release pin starts the chemical generation　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

113.The chemical generator offer oxygen to the PBE for about?

  1. 23 minutes
  2. 20 minutes ✓
  3. 25 minutes
正确答案：20 minutes　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

114.Having started the APU, how can you get the APU generator to power the electrical system?

  1. The APU generator must be switch on
  2. By pushing the EXT PWR pushbutton thus disconnecting the external power ✓
  3. By pushing the BUS TIE pushbutton
  4. You are unable to as the APU power output is outside normal parameters
正确答案：By pushing the EXT PWR pushbutton thus disconnecting the external power　·　A320　·　来源 A320 HANDBOOK (general ATA)

115.What is the function of APU GEN push button located on the overhead electrical panel?

  1. Push this button to automatically start the APU
  2. When selected to OFF the APU generator field is de-energized ✓
  3. Both are correct
正确答案：When selected to OFF the APU generator field is de-energized　·　A320　·　来源 A320 HANDBOOK (general ATA)

116.Is it possible to parallel generators?

  1. Of course yes
  2. Only with the RAT deployed
  3. The electrical system will not allow “paralleling” of generators ✓
  4. Only one engine generator may be paralleled with the APU
正确答案：The electrical system will not allow “paralleling” of generators　·　A320　·　来源 A320 HANDBOOK (general ATA)

117.Can you reconnect an IDG in flight?

  1. Yes, but only after contacting maintenance control
  2. Yes, push and hold the IDG pb until the GEN fault light is no longer illuminated
  3. No, it is not possible ✓
正确答案：No, it is not possible　·　A320　·　来源 A320 HANDBOOK (general ATA)

118.Both batteries are charged by the external power unit. Approximately how long does the charging process take?

  1. 10 minutes
  2. 20 minutes ✓
  3. 30 minutes
  4. Between 30 and 45 minutes
正确答案：20 minutes　·　A320　·　来源 A320 HANDBOOK (general ATA)

119.When the aircraft is on the ground and the APU is started on battery power only, is fire protection available?

  1. Yes, the APU will initiate an auto shutdown and discharge the extinguishing agent ✓
  2. No, but the APU will initiate an auto shutdown
  3. No, automatic fire protection is only available if AC power is available
正确答案：Yes, the APU will initiate an auto shutdown and discharge the extinguishing agent　·　A320　·　来源 A320 HANDBOOK (general ATA)

120.Electrical transients (caused by switching among the APU, the external and the engine electrical supply) during automatic refueling may stop the process

  1. true ✓
  2. false
正确答案：true　·　A320　·　来源 A320 HANDBOOK (general ATA)

121.Approximately how long are the passenger oxygen generators able to produce oxygen?

  1. 15 minutes
  2. 22 minutes ✓
  3. 25 minutes
  4. 12 minutes
正确答案：22 minutes　·　A320　·　来源 A320 HANDBOOK (general ATA)

122.DOORS (ATA - 52) What happens to the cockpit door with electrical power failure?

  1. It operates normally on HOT BAT bus
  2. It automatically unlocks ✓
  3. It automatically locks from outside but stays unlock from inside
正确答案：It automatically unlocks　·　A320　·　来源 A320 HANDBOOK (general ATA)
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