One cu/ft of liquid O2 is the equivalent to approximately how many cu/ft of gaseous O2?
a. 28
b. 244
c. 360
d. 860
ANS: D
Because 1 L of liquid O2 weighs 2.5 lb and produces 860 L of O2 in its gaseous state, the amount of gas in a liquid O2 cylinder can be calculated with the following formula:
Amount of gas in cylinder = Liquid O2 weight (lb) ⋅ 860/2.5 lb/L
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