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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-5 section-3

Each section contains 100 MCQs on Mine Ventilation .
41
Methane drainage was first fried in the colliery in Ruhr coal field of . . . . . . . . in 1943.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
42
CMRS has patented a H2S detector tube which detects . . . . . . . . ppm of H2S.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
43
Methane can form a layer along the floor of the workings, if the density of the gas mixture more than
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
44
The percentage of methane present in mine air by volume.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
45
Methane accumulates in mins in
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
46
DGMS has approved this type for use for all degree of gassy mines in coal.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
47
Name the gas which is not dangerous
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
48
The liquid employed in Fortin barometer
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
49
The alarm range of BCO-1 CO detector . . . . . . . . of CO.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
50
What is the minimum % of methane concentration a oil safety lamp can measure.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board