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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-10 section-3

Each section contains 100 MCQs on Mine Ventilation .
91
The instrument factor of kata thermometer.
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Answer & Solution
Answer: Option C
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92
Critical temperature of CH4.
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Answer: Option A
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93
The cause which tend to heat the air in mine . . . . . . . .
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Answer: Option B
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94
H2 found in u/g . . . . . . . . places.
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Answer & Solution
Answer: Option A
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95
Reduction of each 1% of oxygen percentage light of flame safety lamp diminishes by . . . . . . . .
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Answer & Solution
Answer: Option C
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96
The length of connecting cable of temperature humidity monitor is . . . . . . . . long.
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Answer & Solution
Answer: Option D
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97
The gas abundant in atmosphere comprising about $$\frac{4}{5}$$ of atmosphere called
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Answer: Option B
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98
In gassy coal mines Deg. II & III, the quantity of air should be more than the minimum stated above and a reasonable figure should be . . . . . . . . m3/min per person employed.
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Answer: Option C
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99
The flame safety lamp extinguished if the oxygen percentage falls to about . . . . . . . .
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Answer: Option D
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100
The standard atmospheric pressure also called as
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Answer & Solution
Answer: Option B
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