Oxygen Flashcards

1
Q

How many oxygen cylinders supply oxygen to both crew and passengers?

A

One.

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2
Q

When will the passenger oxygen masks automatically deploy with the OXYGEN knob in PAX AUTO?

A

When cabin altitude exceeds 14,500 +/- 300 feet.

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3
Q

What are the two capacities of oxygen bottles available?

A

77 and 115 ft ³.

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4
Q

Where are the oxygen system parameters and indications displayed?

A

OXYGEN STATUS synoptic page.

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5
Q

What are the selections that can be toggled between on the MODE SELECTOR on the oxygen mask?

A

100%, N and EMGCY.

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6
Q

What position must the mode selector be set to in order to stow the oxygen mask?

A

100%.

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7
Q

What is the purpose of the OXYGEN SAVER PUSH/PULL BUTTON on the oxygen mask?

A

Allows the flight crew to breathe cabin air, when oxygen supply is not required.

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8
Q

Which mode can the OXYGEN SAVER PUSH/PULL BUTTON be pushed in?

A

Only in the N mode.

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9
Q

What does oxygen pressure in green indicate?

A

Normal range of operation.

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10
Q

What does oxygen pressure in white indicate?

A

Advisory operating range, and minimum pressure for dispatch must be measured according to Oxygen Dispatch Pressure tables.

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11
Q

How many smoke goggles are provided?

A

One for each flight crew member.

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12
Q

Can smoke or toxic fumes be purged from the smoke goggles? How?

A

Yes. With the PURGE VALUE.

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13
Q

The oxygen mask is designed to be donned within how many seconds.

A

5 seconds.

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14
Q

When must the OXYGEN SAVER PUSH-PULL BUTTON be manually closed?

A

In case of fire and smoke. And whenever it is in the stowage box.

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15
Q

Does the oxygen mask need to be removed from the stowage box to be tested?

A

No.

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16
Q

How is the oxygen mask tested?

A

The Oxygen Mask Knob set to 100%
Keep pressed, at the same time, the Oxygen Mask PRESS TO TEST AND RESET Button on the LH door of the stowage box and the Oxygen Mask PRESS TO TEST Button on the regulator, for 1 second
The Oxygen Mask FLOW Indicator will blink and a sound signal will be audible on the speaker.

17
Q

When must the Oxygen Cylinder Toggle switch not be set to ON?

A

When the ambient temperature is below-15° C.