The sp.gr of CO2
A. 1.2
B. 1.52
C. 0.553
D. 0.967
Answer: Option B
Related Questions on Mine Ventilation
The mechanical mixture of gases existing in a mine given off after explosion called
A. White damp
B. Stink damp
C. Black damp
D. After damp
A Drager Gas Mask does not filter
A. Water vapour
B. Nitrous fumes
C. Carbon monoxide
D. Carbon dioxide
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