Oxygen A320 - Dgca question bank for pilots

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

The PRESS page.

The DOORS page.

The COND page.

The STATUS page.

#2. What is indicated by a missing green thermal plug during an exterior preflight?

An oxygen system overpressure or thermal discharge.

This is normal indication, the green thermal plug only appears if the oxygen cylinder is low.

The crew oxygen bottle is empty.

An external fire discharge has been activated.

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

15 minutes.

20 minutes.

25 minutes.

30 minutes.

#4. What is the main difference between the crew and the passenger oxygen system?

There is no difference: both are served by oxygen cylinders.

Crew is supplied from an oxygen cylinder; passengers are supplied by chemical oxygen generators

Both the crew and passengers are supplied with oxygen from chemical oxygen generators

The crew has an oxygen bottle for an emergency back-up supply.

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#6. What happens when the mask is used with the selection at 100% position?

Mask is supplied with diluted oxygen on demand.

Mask is supplied with undiluted oxygen on demand.

Mask is supplied with undiluted oxygen continuous flow.

Mask is supplied with diluted oxygen on demand.

#7. At approximately what cabin altitude should the passenger oxygen masks drop?

10,000 feet (+100, - 500 ft)

12,500 feet (+ or - 500 ft)

14,000 feet (+0, - 500 ft)

15,000 feet.

#8. What does an amber OXY on the ECAM Doors mean?

The crew supply switch is turned off and/or oxygen pressure is less than 400 psi.

The crew supply switch is turned off

Oxygen pressure is less than 650 psi

Oxygen pressure is less than 300 psi.

#9. Illumination of the SYS ON light is an indication that:

The crew must depress the MASK MAN ON pb in order to deploy the masks.

Electrical power has been sent to deploy the masks, either manually or automatically.

The crew oxygen cylinder is empty.

All of the passenger masks have deployed.

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#11. What will depressing the guarded MASK MAN ON pb accomplish?

A signal is sent to the chemical oxygen generators to start the flow of oxygen to the masks.

It manually sends a signal to open the oxygen mask doors.

Both are correct.

#12. When does passenger oxygen flow start?

When the mask is pulled toward the seat.

When the oxygen doors open.

When the oxygen button is pushed

When cabin altitude exceeds 14,000 ft'

#13. A Thermal discharge of the cockpit crew fixed Oxygen bottle is indicated by

Thermal discharge message on ECAM

Green Blow out disc missing

Red blow out disc missing

No indication of Thermal Discharge is provided.

#14. What happens when you press the guarded MASK MAN ON p/b?

A signal is sent to the chemical oxygen generators to start the flow of oxygen to the masks.

It manually sends a signal to open the oxygen mask doors.

Both are correct.

#15. After using a quick donning mask, the mask is stowed back but OXY ON flag is visible. Is it possible to have communication via boom MIC.

No.

Yes.

Yes, only if INT / RED switch is in INT (only interphone is possible )

Yes, only if INT / RED switch is held in RAD (only RT is possible )

#16. What are the possible flows of oxygen through the individual quick doning full face mast in the cockpit ?

Diluted Oxygen on demand, 100% Oxygen on demand or continuously.

Diluted Oxygen on demand or continuously, 100% Oxygen on demand only

Diluted Oxygen on demand or continuously, 100% continuously

Only two flows 100% Oxygen continuously, Diluted Oxygen on demand.

#17. Which is the suitable statement for Pax fixed Oxygen system

Pax Oxygen can be activated but only reset from cockpit

Pax Oxygen can be activated and reset from cockpit

Pax Oxygen system activates automatically in case of decompression but can be reset only from cockpit

Pax Oxygen system once activated (Automatically or Manually) cannot be reset.

#18. Due to landing impact one PSU door opens, 3 masks had dropped, if only one mask is pulled, will oxygen flow.

No, since cabin is not depressurized

Yes, into all the 3 masks for 13 minutes

Yes, into only that mask for 13 minutes

Yes, into only that mask for 39 minutes

#19. Which is the suitable statement for Pax fixed Oxygen system

Pax Oxygen can be activated are reset from cockpit

Pax Oxygen system activates automatically in case of decompression but can be reset only from cockpit

Pax Oxygen system once activated (Automatically or Manually) cannot be reset.

On ground as altitude is low, Oxygen does not flow from oxygen generator even if connected mask is pulled.

#20. Which of the following oxygen flows is possible from a portable Oxygen bottle of cabin ?

100% Oxygen continuously

100% on demand.

Diluted Oxygen on demand.

(b) and (c) are correct.

Finish