M11c15

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通報

問題一覧

A passenger cabin gaseous oxygen system layout is such that

a small number of oxygen cylinders (typically 5 to 13) together supply all the cabin masks with Oxygen.

A chemical oxygen generator, once activated, will supply oxygen for at least

15 minutes.

The layout of the cockpit diluter demand oxygen system is such that

each member of the crew has their own regulator.

Without supplemental oxygen or cabin pressurisation, at 30,000 feet, it takes………….for an aeroplane occupant to become unconscious.

1 to 2 minutes

A fully charged breathing oxygen cylinder will have an internal pressure of approximately

1,800 PSI (125 Bar).

Oxygen bottle capacity varies between

80 2250 litres.

Anoxia is due to

lack of oxygen.

Oxygen cylinder test dates

are painted in white on the cylinder.

Portable oxygen bottles are fitted with

a demand regulator.

are the left handed threads found in an oxygen system.

Shut-off valves

A discharged chemical generator is indicated by

a change in colour.

The cabin oxygen system provides an emergency oxygen supply to

the passengers and flight attendants.

To measure moisture in an oxygen system use a hygrometer

using the dew point method

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