Oxygen

Question 1

An amber half frame appears around oxygen pressure indication on the OXY page. This means:

(a) The oxygen bottle has discharged due to ambient temperature
(b) The oxygen CREW supply pb is turned off
(c) The oxygen pressure is less than 1000 psi

Answer 1

(c) The oxygen pressure is less than 1000 psi

Question 2

To check crew oxygen mask operation for continuous flow, watch blinker flowmeter and:

(a) Move test lever hold and press emergency button
(b) Press emergency button only
(c) Hold test lever in test position only

Answer 2

(a) Move test lever hold and press emergency button

Question 2

During oxygen requirements with the N/100% switch in its selected position of 100% and the EMERG selector off, the supply is:

(a) Mixture of cockpit air and oxygen on demand
(b) 100% oxygen overpressure
(c) 100% oxygen on demand

Answer 2

(c) 100% oxygen on demand

Question 3

The passenger cabin emergency oxygen supply doors will open automatically when the altitude in the cabin rises above:
(a) 10,000 ft
(b) 12,000 ft
(c) 14,000 ft

Answer 3

(c) 14,000 ft

Question 4

Where do you read the pressure
of the Cockpit Fixed Oxygen System?

Answer 4

ECAM Door Page

Question 5

What actions are required by the flight crew when there is an amber half frame under the indicated pressure?

Answer 5

The flight crew must check that the remaining quantity is not below the minimum for dispatch

Question 5

At what PSI does an amber half frame
appear under the indicated pressure?

Answer 5

<1500psi