A220 02 & Emergency Equipment Exam With complete
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Name the three different oxygen systems onboard the A220 - Flight Deck Oxygen,
Cabin Oxygen, and portable oxygen walk-around bottles
What microphones disable and enable once the mask stowage box doors are
opened? - The headset and handset microphones are inhibited, and the oxygen
mask microphone is
automatically enabled
What is the function of the N/100% oxygen supply lever in N (Normal)? - The
regulator supplies a mixture of oxygen and cabin air to the mask. At 35,000 ft, the
air inlet on
the regulator closes and 100% pure oxygen will be delivered regardless of selector
position
What are the two functions of the O2 PRESS TO TEST AND RESET control lever? - It
allows the testing of oxygen flow without removing the mask
It closes the flow of oxygen after usage and resets the microphone to enable
headset
communication
Where is the location of the overboard discharge indicator (green blowout disc)? -
Located on the lower left side of the fuselage by the ground service panel
What is the normal cylinder pressure for the cabin oxygen system? - 1850 PSI
solution– Expert Verified | Latest Version | 100 Guaranteed
Success
Name the three different oxygen systems onboard the A220 - Flight Deck Oxygen,
Cabin Oxygen, and portable oxygen walk-around bottles
What microphones disable and enable once the mask stowage box doors are
opened? - The headset and handset microphones are inhibited, and the oxygen
mask microphone is
automatically enabled
What is the function of the N/100% oxygen supply lever in N (Normal)? - The
regulator supplies a mixture of oxygen and cabin air to the mask. At 35,000 ft, the
air inlet on
the regulator closes and 100% pure oxygen will be delivered regardless of selector
position
What are the two functions of the O2 PRESS TO TEST AND RESET control lever? - It
allows the testing of oxygen flow without removing the mask
It closes the flow of oxygen after usage and resets the microphone to enable
headset
communication
Where is the location of the overboard discharge indicator (green blowout disc)? -
Located on the lower left side of the fuselage by the ground service panel
What is the normal cylinder pressure for the cabin oxygen system? - 1850 PSI
