Which of the following "E" size oxygen cylinders will last the longest?
Pressure Flow
(psig) (L/min)

Name: Which of the following "E" size oxygen cylinders will last the longest? Pressure Flow (psig) (L/min)
Brand: Quizplus
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Question

Quizplus · Accepted Answer

This answer was derived from the following formula:
cylinder pressure (psig) $ \times $ cylinder factor
flow rate of gas (L/min)$ = $ duration of flow in minutes 
1400 * 0.28 = 392/2.5 L/min = 156.8 minutes.
1400 psig at 2.5 L/min will last the longest compared with the other three.

Which of the Following "E" Size Oxygen Cylinders Will Last