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Airbus A320 · Oxygen 题库（50 题）

Airbus A320 机型「Oxygen」相关知识共 50 道题。想练习或模拟考试，请到 题库 · 模拟考试。
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1.After using the cockpit oxygen mask, the user needs to press the RESET button in order to:

  1. Stow the oxygen mask.
  2. Cut off the oxygen.
  3. Cut off the mask microphone.
  4. Cut off the oxygen and the mask microphone. ✓
正确答案：Cut off the oxygen and the mask microphone.　·　A320　·　来源 smartcockpit.com

2.The flight crew portable oxygen system furnishes an effective time of use of:

  1. 10 minutes.
  2. 15 minutes. ✓
  3. 20 minutes.
  4. 25 minutes.
正确答案：15 minutes.　·　A320　·　来源 smartcockpit.com

3.The oxygen flow on the cabin oxygen masks begins when:

  1. The oxygen door opens and the masks drop.
  2. The cabin altitude exceeds 14,000 feet.
  3. A mask is pulled towards the seat. ✓
  4. The PASSENGER SYS ON indicator illuminates.
正确答案：A mask is pulled towards the seat.　·　A320　·　来源 smartcockpit.com

4.The chemical reaction used for oxygen generation creates heat. Therefore, the smell of burning, smokes and cabin temperature increase may be associated with the normal operation of the oxygen generators in the cabin.

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

5.Oxygen under positive pressure is supplied to the mask by turning the "EMERGENCY" pressure selector in the direction of the arrow. This over-pressure supply is automatically activated when:

  1. The cabin altitude exceeds 30000 ft.
  2. The cabin altitude exceeds 35000 ft.
  3. The cabin altitude exceeds 30000 ft and N/100% selector is set on the on the 100% position. ✓
  4. The cabin altitude exceeds 35000 ft and N/100% selector is set on the on the 100% position.
正确答案：The cabin altitude exceeds 30000 ft and N/100% selector is set on the on the 100% position.　·　A320　·　来源 smartcockpit.com

6.When the oxygen pressure is normal, what are the ECAM indications when the "CREW SUPPLY" pushbutton on the overhead panel is selected OFF?

  1. There are no indications on the ECAM.
  2. The "CREW SUPP OFF" ECAM memo is displayed.
  3. The CKPT OXY and the OXYGEN pressure indications on the ECAM DOOR/OXY page become amber.
  4. The CKPT OXY indication on the ECAM DOOR/OXY page becomes amber. ✓
正确答案：The CKPT OXY indication on the ECAM DOOR/OXY page becomes amber.　·　A320　·　来源 smartcockpit.com

7.Use of this EMERGENCY PRESSURE SELECTOR creates on overpressure which eliminates condensation or fogging of the mask, and prevents smoke, smell or ashes from entering the mask.

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

8.In the cabin, the rearming of the oxygen system can only be made on ground after the masks are restowed.

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

9.What is the purpose of the "CREW SUPPLY" pushbutton on the overhead panel?

  1. When it is selected to ON position, the solenoid valve opens and supplies low pressure oxygen to the cockpit masks. ✓
  2. When it is selected to ON position, the pressure regulator supplies oxygen under positive pressure to the cockpit masks.
  3. When it is selected to ON position, the solenoid valve opens and supplies low pressure oxygen to the cockpit masks (observers' masks are excluded).
  4. When it is selected to ON position, the solenoid valve opens and supplies high pressure oxygen to the cockpit masks.
正确答案：When it is selected to ON position, the solenoid valve opens and supplies low pressure oxygen to the cockpit masks.　·　A320　·　来源 smartcockpit.com

10.What happens when the crew mask-mounted regulator is set to the "100%" position?

  1. The mask is supplied with diluted oxygen on demand.
  2. The mask is supplied with diluted oxygen under positive pressure.
  3. The mask is supplied with undiluted oxygen on demand. ✓
  4. The mask is supplied with undiluted oxygen under positive pressure.
正确答案：The mask is supplied with undiluted oxygen on demand.　·　A320　·　来源 smartcockpit.com

11.There are oxygen generators in each aircraft’s galley.

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

12.Emergency Pressure Selector - On the oxygen mask, turning the knob in the direction of the arrow generates a permanent overpressure. Overpressure supply is automatically started, when cabin altitude exceeds 20 000 ft.

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

13.A portable oxygen system, which is provided in both the cockpit and cabin, is to be used for FIRST AID purposes only.

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

14.The cabin oxygen masks will provide pure oxygen under positive pressure for approximately:

  1. 13 min, 15 min or 22 min depending on the aircraft configuration. ✓
  2. 10 min, 15 min or 22 min depending on the aircraft configuration.
  3. 13 min, 17 min or 22 min depending on the aircraft configuration.
  4. 13 min, 15 min or 20 min depending on the aircraft configuration.
正确答案：13 min, 15 min or 22 min depending on the aircraft configuration.　·　A320　·　来源 smartcockpit.com

15.The white "PASSENGER SYS ON" light on the overhead panel indicates that:

  1. The crew must press the MASK MAN ON pushbutton in order to deploy the masks.
  2. Electrical power has been sent to deploy the masks, either manually or automatically. ✓
  3. The cabin oxygen cylinder is empty.
  4. All the passenger masks have been deployed.
正确答案：Electrical power has been sent to deploy the masks, either manually or automatically.　·　A320　·　来源 smartcockpit.com

16.If the crew mask-mounted regulator is set to Normal "N", the pilot breathes:

  1. A mixture of cabin air and oxygen. The higher the cabin altitude, the more oxygen the mask provides, until the mask supplies 100% oxygen. ✓
  2. A mixture of cabin air and oxygen. The higher the cabin altitude , the less oxygen the mask provides, until the mask supplies 100% cabin air.
  3. 100% pure oxygen at all cabin altitudes.
  4. 100% pure oxygen under pressure at all cabin altitudes.
正确答案：A mixture of cabin air and oxygen. The higher the cabin altitude, the more oxygen the mask provides, until the mask supplies 100% oxygen.　·　A320　·　来源 smartcockpit.com

17.The cabin oxygen system is activated:

  1. Automatically when the cabin altitude exceeds 12000 ft, or manually by pressing the PASSENGER SYS ON pushbutton.
  2. Automatically when the cabin altitude exceeds 12000 ft, or manually by pressing the the MASK MAN ON pushbutton.
  3. Automatically when the cabin altitude exceeds 14000 ft, or manually by pressing the PASSENGER SYS ON pushbutton.
  4. Automatically when the cabin altitude exceeds 14000 ft, or manually by pressing the MASK MAN ON pushbutton. ✓
正确答案：Automatically when the cabin altitude exceeds 14000 ft, or manually by pressing the MASK MAN ON pushbutton.　·　A320　·　来源 smartcockpit.com

18.What is the main difference between the cockpit and the cabin oxygen system?

  1. There is no difference: both are supplied by high pressure cylinders.
  2. Cockpit oxygen system is supplied by a high pressure cylinder and cabin oxygen system is supplied by chemical generators. ✓
  3. There is no difference: both are supplied by chemical generators.
  4. Both are supplied by high pressure cylinders but cockpit system has additionally two chemical generators for emergency back-up.
正确答案：Cockpit oxygen system is supplied by a high pressure cylinder and cabin oxygen system is supplied by chemical generators.　·　A320　·　来源 smartcockpit.com

19.Gaseous generators replace chemical generators in the lavatories.

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

20.When the "MASK MAN ON" pushbutton of the overhead panel is pressed:

  1. It opens the cabin oxygen mask doors. ✓
  2. It opens the cabin oxygen mask doors and starts the oxygen supply.
  3. It starts the oxygen supply to the masks.
  4. It sets the system in the automatic mode in order oxygen mask doors to open automatically when the cabin altitude exceeds 14000ft.
正确答案：It opens the cabin oxygen mask doors.　·　A320　·　来源 smartcockpit.com

21.A thermal discharge of the flight crew oxygen bottle is indicated by:

  1. An ECAM "THERMAL DISCHARGE" caution message.
  2. The green oxygen overboard discharge indicator that is missing. ✓
  3. A "THERMAL DISCHARGE" ECAM memo.
  4. A red oxygen overboard discharge indicator.
正确答案：The green oxygen overboard discharge indicator that is missing.　·　A320　·　来源 smartcockpit.com

22.The cabin oxygen system is supplied by:

  1. High pressure oxygen at each row.
  2. A single high pressure cylinder in the lower fuselage.
  3. Chemical generators. ✓
  4. Portable Breathing Equipment.
正确答案：Chemical generators.　·　A320　·　来源 smartcockpit.com

23.If an amber half frame appears next to the oxygen pressure, the flight crew must:

  1. Refer to the FCOM PRO-NOR-SOP and check if the remaining oxygen quantity is not below the minimum required.
  2. Refer to the FCOM LIM-OXY and check if the remaining oxygen quantity is not below the minimum required. ✓
  3. A special oxygen check must be performed by the maintenance staff.
  4. The oxygen bottle must be changed.
正确答案：Refer to the FCOM LIM-OXY and check if the remaining oxygen quantity is not below the minimum required.　·　A320　·　来源 smartcockpit.com

24.The flight crew oxygen mask microphone will be automatically deactivated when the mask is re-stowed in its box.

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

25.The flight crew smoke hood is equipped with one oxygen cylinder and one CO2 absorption system

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

26.On ECAM DOOR/OXY page, the "REGUL LO PR" indication appears in amber if the oxygen pressure in the low pressure circuit is below:

  1. 20 psi.
  2. 30 psi.
  3. 50 psi. ✓
  4. 100 psi.
正确答案：50 psi.　·　A320　·　来源 smartcockpit.com

27.The minimum bottle pressure of the cockpit fixed oxygen system takes the following into account:

  1. Protection after loss of cabin pressure, with mask regulator on NORMAL (diluted oxygen) during an emergency descent: For all cockpit members for 5 min
  2. Protection in case of smoke, with 100 % oxygen: For all cockpit members for 15 min at a cabin altitude of 8'000 ft ✓
  3. Protection after loss of cabin pressure, with mask regulator on NORMAL (diluted oxygen) during an emergency descent: For all cockpit members for 25 min
  4. Protection in case of smoke, with 100 % oxygen: For all cockpit members for 15 min at a cabin altitude of 36'000 ft
正确答案：Protection in case of smoke, with 100 % oxygen: For all cockpit members for 15 min at a cabin altitude of 8'000 ft　·　A320　·　来源 Chair Flight A320 Question Bank

28.When does the flight crew have to use the oxygen masks?

  1. Whenever the cabin altitude exceeds 10'000ft for a period in excess of 30 minutes
  2. All answers are correct ✓
  3. In case of smoke in the cockpit
  4. Whenever the cabin altitude exceeds 13'000ft
正确答案：All answers are correct　·　A320　·　来源 Chair Flight A320 Question Bank

29.What is the last point of the oxygen mask test?

  1. Check if the left door of the oxygen mask box is closed
  2. No REGUL LO PR message on the ECAM page ✓
  3. It is correctly stowed
  4. Check if the N 100% selector is in the N position
正确答案：No REGUL LO PR message on the ECAM page　·　A320　·　来源 Chair Flight A320 Question Bank

30.Oxygen system (cockpit): on ECAM DOOR/OXY page, CKPT OXY indication is normally green .It becomes amber when:

  1. Low oxygen pressure is detected
  2. The OXYGEN CREW SUPPLY pb on the overhead panel is OFF
  3. Pressure goes below 300 PSI
  4. All answers are correct ✓
正确答案：All answers are correct　·　A320　·　来源 Chair Flight A320 Question Bank

31.OXYGEN STOWAGE BOX: As soon as the left flap door opens, the mask is supplied with oxygen and, once it closes (mask still supplied with oxygen), the ____ flag appears.

  1. NO OXYGEN
  2. LOW OXY
  3. OXY ON ✓
  4. OXY OFF
正确答案：OXY ON　·　A320　·　来源 Chair Flight A320 Question Bank

32.What measuring unit is used to depict the cockpit oxygen system pressure on the ECAM?

  1. QT
  2. KG
  3. L
  4. PSI ✓
正确答案：PSI　·　A320　·　来源 Chair Flight A320 Question Bank

33.What can be done in order to relase a cabin oxygen mask, when the door fails to open?

  1. Nothing
  2. The Manual Release Tool (MRT) can be used by cabin crew to open affected containers ✓
  3. Provide first aid oxygen
  4. Repeatedly (4 times) press the MASK MAN ON pb
正确答案：The Manual Release Tool (MRT) can be used by cabin crew to open affected containers　·　A320　·　来源 Chair Flight A320 Question Bank

34.FIXED OXYGEN SYSTEM FOR CABIN. Which statement is correct?

  1. Supplies oxygen for cabin occupants in case of depressurization and noxious gases
  2. Supplies oxygen for cabin occupants in case of depressurization, smoke and noxious gases
  3. Supplies oxygen for cabin occupants in case of depressurization and smoke
  4. Supplies oxygen for cabin occupants in case of depressurization only ✓
正确答案：Supplies oxygen for cabin occupants in case of depressurization only　·　A320　·　来源 Chair Flight A320 Question Bank

35.When is the FCM oxygen mask supplied with oxygen?

  1. As soon as the right flap door of mask container is opened
  2. As soon as you push the RESET/TEST control slide
  3. As soon as the left flap door of mask container is opened ✓
  4. The mask is always supplied by oxygen
正确答案：As soon as the left flap door of mask container is opened　·　A320　·　来源 Chair Flight A320 Question Bank

36.FIXED OXYGEN SYSTEM FOR COCKPIT. Which statement about the EMERGENCY pressure selector is correct?

  1. Overpressure supply is automatically started, when the cabin altitude exceeds 25’000ft
  2. Overpressure supply is only available when the N/100% selector is set to 100% and will be automatically started, when the cabin altitude exceeds 30’000ft ✓
  3. Overpressure supply is started as soon as you put on the mask and the N/100% selector is set to 100%
  4. Overpressure supply is available when the N/100% selector is set to 100% or NORMAL and will be automatically started, when the cabin altitude exceeds 30’000ft
正确答案：Overpressure supply is only available when the N/100% selector is set to 100% and will be automatically started, when the cabin altitude exceeds 30’000ft　·　A320　·　来源 Chair Flight A320 Question Bank

37.When stowing the crew oxygen mask, when will the integrated microphone be deactivated automatically?

  1. After pressing the test button on the mask
  2. After closing the oxygen mask doors
  3. The microphone is not deactivated
  4. After closing the left flap of the oxygen mask door and having presed the RESET button ✓
正确答案：After closing the left flap of the oxygen mask door and having presed the RESET button　·　A320　·　来源 Chair Flight A320 Question Bank

38.If the oxygen masks fail to deploy automatically how else can they be deployed?

  1. They can be deployed by pressing the MASK MAN ON pb on the overhead panel. ✓
  2. They can be deployed by the flight attendants using the CIDS panel.
  3. They can be deployed by pressing the PASSENGER SYS ON pb on the overhead panel.
  4. They cannot be deployed if the automatic system fails.
正确答案：They can be deployed by pressing the MASK MAN ON pb on the overhead panel.　·　A320　·　来源 Chair Flight A320 Question Bank

39.The flight crew can not override the automatic control of the cabin oxygen system.

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

40.OVHD Panel: The PASSENGER SYS ON light comes on ________ when the control for the oxygen mask doors is activated.

  1. White ✓
  2. Blue
  3. Amber
正确答案：White　·　A320　·　来源 Chair Flight A320 Question Bank

41.The oxygen system consists of:

  1. A fixed oxygen system for the cockpit.
  2. All answers are correct. ✓
  3. A fixed oxygen system for the cabin.
  4. A portable oxygen system.
正确答案：All answers are correct.　·　A320　·　来源 Chair Flight A320 Question Bank

42.How is generated the oxygen on PBE?

  1. By a small compressed air tank inside the hood
  2. By a chemical reaction of Potassium Superoxide (KO2) with the moisture and CO2 of exhaled air ✓
  3. Through a umbilical cord connected to the aircraft’s main line
  4. By a solid-state oxygen candle activated by a pull-cord
正确答案：By a chemical reaction of Potassium Superoxide (KO2) with the moisture and CO2 of exhaled air　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

43.On the flight crew oxygen system the oxygen flow is indicated by?

  1. The blinker showing yellow and an OXY ON flag which appears on the left door when closed ✓
  2. The blinker showing green and an OXY ON flag which appears on the left door when closed
  3. The blinker showing red and an OXY ON flag which appears on the left door when closed
正确答案：The blinker showing yellow and an OXY ON flag which appears on the left door when closed　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

44.What color is displayed in the overboard indicator before of an overpressure on the flight crew oxygen system?

  1. The disc is displayed green ✓
  2. The disc is displayed red
  3. The disc is displayed yellow
正确答案：The disc is displayed green　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

45.What color is displayed in the overboard indicator after an overpressure on the flight crew oxygen system?

  1. The disc is displayed yellow ✓
  2. The disc is displayed green
  3. The disc is displayed red
正确答案：The disc is displayed yellow　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

46.How long is the time delay to de-energize the oxygen container solenoid of the passengers?

  1. 30 second ✓
  2. 6 second
  3. 15 to 25 minutes
正确答案：30 second　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

47.What is displayed in the cockpit if the flight crew oxygen pressure drops below the minimum operating pressure?

  1. RELUG LO PR is show amber on the DOOR/OXY page ✓
  2. RELUG LO PR is show amber on the ventilation panel pushbutton
  3. RELUG LO PR is show amber on the AIR COND page
正确答案：RELUG LO PR is show amber on the DOOR/OXY page　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

48.During a preflight inspection, what indicates that the crew portable oxygen system has been open?

  1. The serviceability indicator is broken ✓
  2. The oxygen bottle is empty
  3. The starter has been activated for the lanyard
正确答案：The serviceability indicator is broken　·　A320　·　来源 Em42 A320 FAM ATA 30,35,29

49.On which ECAM page could the flight crew check the exact pressure of the oxygen cylinder?

  1. The PRESS page
  2. The DOORS page ✓
  3. The COND page
  4. The STATUS page
正确答案：The DOORS page　·　A320　·　来源 A320 HANDBOOK (general ATA)

50.What is the purpose of the CREW SUPPLY push button?

  1. When selected to ON, it supplies oxygen to the Captain & F/O only (jump seats are not supplied)
  2. When selected to ON, it allows the flow of low pressure oxygen to the crew's masks ✓
  3. In case of low cylinder pressure it allows the crew to tap into the passenger oxygen system
正确答案：When selected to ON, it allows the flow of low pressure oxygen to the crew's masks　·　A320　·　来源 A320 HANDBOOK (general ATA)
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