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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-3

Each section contains 100 MCQs on Mine Ventilation .
81
The important factors affecting gas emission are
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Answer & Solution
Answer: Option E
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82
The density of a gas inversely proportional to the absolute temperature when pressure is constant
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Answer: Option A
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83
Maximum permissable quantity of CO2 in mine air is
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Answer: Option B
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84
Critical temperature of CO2
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Answer: Option C
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85
Rakin interferometer manufactured in
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Answer: Option B
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86
Dry kata for hard manual workers is
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Answer: Option C
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87
In cat II and III degree gassy mine, major consideration to decide the quantity of air going u/g is the rate of emission of gas, should be diluted by ventilating air, that is percentage not more than . . . . . . . . in the main return air way of mine.
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Answer: Option B
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88
A person at walking at 3 km/hour consumes nearly . . . . . . . .
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Answer: Option D
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89
Critical temperature of nitrogen . . . . . . . .
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Answer: Option B
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90
This is the pressure exerted by a moving fluid on the surface parallel with the direction of movement called . . . . . . . .
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Answer: Option C
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