What is the oxygen capacity?

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Prepare with flashcards and multiple choice questions for the ATR General Familiarization Test. Gain insights into various aircraft systems, hints, and explanations for a successful exam experience. Get ready to excel!

Multiple Choice

What is the oxygen capacity?

Explanation:
Oxygen capacity is the total amount of oxygen gas available in a system, expressed as liters of O2 at standard conditions. It comes from how much gas is stored under pressure in a cylinder: the cylinder’s physical volume multiplied by its fill pressure, converted to liters at standard temperature and pressure. In aviation-type oxygen systems, a small cylinder filled to a typical service pressure yields around two thousand liters of O2 at STP, so a value near 2182 liters fits that common range. The other options would require atypical cylinder sizes or pressures, so 2182 liters best matches what such a system can supply.

Oxygen capacity is the total amount of oxygen gas available in a system, expressed as liters of O2 at standard conditions. It comes from how much gas is stored under pressure in a cylinder: the cylinder’s physical volume multiplied by its fill pressure, converted to liters at standard temperature and pressure. In aviation-type oxygen systems, a small cylinder filled to a typical service pressure yields around two thousand liters of O2 at STP, so a value near 2182 liters fits that common range. The other options would require atypical cylinder sizes or pressures, so 2182 liters best matches what such a system can supply.

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