Oxygen Questionnaire

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Question 1 of 22

1. Question
The cabin oxygen masks will drop automatically if the cabin altitude exceeds:
(Applies to aircraft not configured for operations at high altitude airfields).
- 10000 (+250, -750) ft
- 12000 (+250, -750) ft
- 14000 (+250, -750) ft
- 16000 (+250, -750) ft
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Question 2 of 22

2. Question
The cabin oxygen system is supplied by:
- Individual high pressure bottles at each seat.
- A single high pressure cylinder in the lower fuselage.
- Chemical generators.
- Portable Breathing Equipment.
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Question 3 of 22

3. Question
If the crew mask-mounted regulator is set to Normal "N", the user breathes:
- A mixture of cabin air and oxygen. The higher the cabin altitude, the more oxygen the mask provides, until the mask supplies 100% oxygen.
- 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.
- 100% pure oxygen at all cabin altitudes.
- 100% pure oxygen under pressure at all cabin altitudes.
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Question 4 of 22

4. Question
The cockpit oxygen system is supplied by:
(not applicable to A-320neo)
- A solid state chemical generator.
- A single high-pressure cylinder.
- Individual high pressure bottles at each station.
- A portable breathing equipment for each pilot.
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Question 5 of 22

5. Question
The cabin oxygen masks will provide pure oxygen under positive pressure for approximately:
- 13 min, 15 min or 22 min depending on the aircraft configuration.
- 10 min, 15 min or 22 min depending on the aircraft configuration.
- 13 min, 17 min or 22 min depending on the aircraft configuration.
- 13 min, 15 min or 20 min depending on the aircraft configuration.
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Question 6 of 22

6. Question
If an amber half frame appears next to the oxygen pressure, the flight crew must:
- Refer to PRO-NOR-SOP and check if the remaining oxygen quantity is not below the minimum required.
- Refer to LIM-OXY and check if the remaining oxygen quantity is not below the minimum required.
- Perform the oxygen check and if satisfactory they can go.
- Perform the oxygen check only if an observer is onboard.
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Question 7 of 22

7. Question
What is the purpose of the "CREW SUPPLY" pushbutton on the overhead panel?
- When it is selected to ON position, the solenoid valve opens and supplies low pressure oxygen to the cockpit masks.
- When it is selected to ON position, the pressure regulator supplies oxygen under positive pressure to the cockpit masks.
- When it is selected to ON position, the solenoid valve opens and supplies low pressure oxygen to the cockpit masks (observers' masks are excluded).
- When it is selected to ON position, the overpressure safety valve opens to vent oxygen overboard, if the pressure becomes too high.
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Question 8 of 22

8. Question
The crew oxygen mask microphone will be automatically deactivated when the mask is re-stowed in its box.
- True
- False
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Question 9 of 22

9. Question
The cabin oxygen system is activated:
- Automatically when the cabin altitude exceeds 12000 ft, or manually by pressing the PASSENGER SYS ON pushbutton.
- Automatically when the cabin altitude exceeds 12000 ft, or manually by pressing the the MASK MAN ON pushbutton.
- Automatically when the cabin altitude exceeds 14000 ft, or manually by pressing the PASSENGER SYS ON pushbutton.
- Automatically when the cabin altitude exceeds 14000 ft, or manually by pressing the MASK MAN ON pushbutton.
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Question 10 of 22

10. Question
The oxygen flow on the cabin oxygen masks begins when:
- The oxygen door opens and the masks drop.
- The cabin altitude exceeds 14,000 feet.
- A mask is pulled towards the seat.
- The PASSENGER SYS ON indicator illuminates.
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Question 11 of 22

11. Question
If the crew mask-mounted regulator is set to "100%", the user breathes:
- A mixture of cabin air and oxygen. The higher the cabin altitude, the more oxygen the mask provides.
- Pure oxygen above a certain cabin altitude.
- Pure oxygen under pressure at all cabin altitudes.
- Pure oxygen at all cabin altitudes.
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Question 12 of 22

12. Question
On ECAM DOOR/OXY page, the "REGUL LO PR" indication appears in amber if the oxygen pressure in the low pressure circuit is below:
- 20 psi
- 30 psi
- 40 psi
- 50 psi
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Question 13 of 22

13. Question
The flight crew portable oxygen system furnishes an effective time of use of:
- 10 min
- 15 min
- 20 min
- 25 min
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Question 14 of 22

14. Question
After using the cockpit oxygen mask, the user needs to press the RESET button in order to:
- Stow the oxygen mask.
- Cut off the oxygen.
- Cut off the mask microphone.
- Cut off the oxygen and the mask microphone.
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Question 15 of 22

15. Question
A thermal discharge of the flight crew oxygen bottle is indicated by:
- An ECAM "THERMAL DISCHARGE" caution message.
- The green oxygen overboard discharge indicator is missing.
- A "THERMAL DISCHARGE" ECAM memo.
- The green oxygen overboard discharge indicator is becoming red.
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Question 16 of 22

16. Question
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:
- The cabin altitude exceeds 30000 ft.
- The cabin altitude exceeds 35000 ft.
- The cabin altitude exceeds 30000 ft and N/100% selector is set on the on the 100% position.
- The cabin altitude exceeds 35000 ft and N/100% selector is set on the on the 100% position.
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Question 17 of 22

17. Question
The white "PASSENGER SYS ON" light on the overhead panel indicates that:
- The crew must press the MASK MAN ON pushbutton in order to deploy the masks.
- Electrical power has been sent to deploy the masks, either manually or automatically.
- The cabin oxygen cylinder is empty.
- All the passenger masks have been deployed.
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Question 18 of 22

18. Question
What does the "MASK MAN ON" pushbutton on the overhead panel do when pressed?
- Opens the cabin oxygen mask doors.
- Opens the cabin oxygen mask doors and starts the oxygen supply.
- Starts the oxygen supply to the masks.
- Sets the system in the automatic mode in order oxygen mask doors to open automatically when the cabin altitude exceeds 14000ft.
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Question 19 of 22

19. Question
What are the ECAM indications when the "CREW SUPPLY" pushbutton on the overhead panel is selected OFF?
(The oxygen pressure is normal)
- There are no indications on the ECAM.
- The "CREW SUPP OFF" ECAM memo is displayed.
- The CKPT OXY and the OXYGEN pressure indications on the ECAM DOOR/OXY page become amber.
- The CKPT OXY indication on the ECAM DOOR/OXY page becomes amber.
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Question 20 of 22

20. Question
What is the main difference between the cockpit and the cabin oxygen system?
- There is no difference: both are supplied by high pressure cylinders.
- Cockpit oxygen system is supplied by a high pressure cylinder; cabin oxygen system is supplied by chemical generators.
- There is no difference: both are supplied by chemical generators.
- Both are supplied by high pressure cylinders but cockpit system has additionally two chemical generators for emergency back-up.
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Question 21 of 22

21. Question
What happens when the crew mask-mounted regulator is set to "100%" position?
- The mask is supplied with diluted oxygen on demand.
- The mask is supplied with diluted oxygen under positive pressure.
- The mask is supplied with undiluted oxygen on demand.
- The mask is supplied with undiluted oxygen under positive pressure.
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Question 22 of 22

22. Question
On Airbus 320 Neo, the cockpit oxygen system is supplied by:
- One high-pressure cylinder.
- Two high-pressure cylinders.
- One high-pressure cylinder and two chemical generators.
- Two high-pressure cylinders and two chemical generators.
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Oxygen Questionnaire

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