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Mine Ventilation MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Mine Ventilation. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Mine Ventilation chapter is particularly important for students studying mining engineering. Page-6 section-3

Each section contains 100 MCQs on Mine Ventilation .
51
H2S is . . . . . . . . gas.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
52
The temperature of the rock is constant at a depth of . . . . . . . . m from surface.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
53
The cap lamp used by the miners is
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
54
The R.H near sea shore is
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
55
The mine air should not contain less than . . . . . . . .% of O2 and . . . . . . . .% CO2.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
56
Specific gravity of CO is
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
57
The range of PS CO detector instrument is to detect . . . . . . . . of CO%.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
58
Before cap test with the cap lamp, which test is carried out
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Answer & Solution
Answer: Option B
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59
The R.H value in arid regions is rarely less than
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
60
40% of black damp (60% air i.e. 12% O2 and 5% CO2) physiological effect on human body is . . . . . . . .
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board