Mining Engineering > GATE 2026 > Mine Safety - Breathing Apparatus
A closed-circuit self-contained breathing apparatus (SCBA) contains 2 liters of O2 at 200 bar. If a miner consumes O2 at a rate of 2 liters min-1, the maximum duration that the apparatus can supply O2, in min, is _______________. (answer in integer)
Correct : 200
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