Mining Engineering > GATE 2024 > Mine Safety
In a self-contained closed-circuit breathing apparatus,
A
the exhaled air is released outside the apparatus.
B
the exhaled air is wholly absorbed within the apparatus.
C
CO2 is released outside the apparatus after separating from exhaled air.
D
CO2 from exhaled air is absorbed with a chemical.

Correct : d

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Related Topics

self-contained breathing apparatus closed-circuit breathing apparatus GATE Mining Engineering 2024 exhaled air release CO2 absorption apparatus mining engineering gate breathing apparatus CO2 closed-circuit breathing system

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