Q57
Match the following: Mine gas Principal constituent P. Stink damp 1. CO Q. White damp 2. H2S R. Black damp 3. CH4 S. Fire damp 4. CO2
Match the following:
| Mine gas | Principal constituent |
| P. Stink damp | 1. CO |
| Q. White damp | 2. H2S |
| R. Black damp | 3. CH4 |
| S. Fire damp | 4. CO2 |
A.
P-1, Q-2, R-3, S-4
B.
P-3, Q-4, R-1, S-2
C.
P-2, Q-1, R-4, S-3
AnswerD.
P-2, Q-1, R-3, S-4
Answer: Option C
Solution
Answer: Option C
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