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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-9 section-4

Each section contains 100 MCQs on Mine Ventilation .
81
If a person affected by CO2, recovery done by . . . . . . . .
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
82
The weight of GL-60 lamp with fuel is . . . . . . . . in kg.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
83
In a hot day the relative humidity will be nearly
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
84
CO is soluable 100 vol. of water desolving 2.3 vols. of gas at . . . . . . . .°C.
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Answer & Solution
Answer: Option B
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85
Inclined water gauge can be read upto . . . . . . . . mm and in same cases even upto . . . . . . . . mm depending upon scale graduation.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
86
Shelf life of the MSA co detector tube is . . . . . . . .
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Answer & Solution
Answer: Option C
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87
Drykata for sedimentary workers.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
88
The S.I unit of water vapour pressure in air . . . . . . . .
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
89
The velocity of air at working face at . . . . . . . . is reasonable.
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Answer & Solution
Answer: Option A
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90
The methane drainage system used to shut off when % of methane falls below.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board