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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-7 section-3

Each section contains 100 MCQs on Mine Ventilation .
61
The pressure which support the column of the mercury . . . . . . . . mm high at sea level when the temperature of mercury is . . . . . . . .°C.
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Answer & Solution
Answer: Option C
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62
This is the pressure exerted by fluid by virtue of its motion called . . . . . . . .
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Answer & Solution
Answer: Option D
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63
Portable interferometer type methane gas indicator to measure the methane content in methane air mixture scale offers a range of . . . . . . . . methane by vol.
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Answer & Solution
Answer: Option C
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64
Which gas is most toxic gas.
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Answer & Solution
Answer: Option A
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65
Gas blower accompained by . . . . . . . . sound.
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Answer & Solution
Answer: Option C
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66
A mechanical mixture of extinctive gases carbondioxide and excess nitrogen reffered as
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Answer & Solution
Answer: Option D
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67
The height of excess of air column of D.C shaft, 1 m2 in cross section which gives rise to NVP called.
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Answer & Solution
Answer: Option A
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68
Synonymous with sulphureted hydrogen called as
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Answer & Solution
Answer: Option B
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69
Human beings can survive in an atmospheric containing as low as . . . . . . . .% oxygen.
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Answer & Solution
Answer: Option C
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70
Over all weight of portable optical methanometer.
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Answer & Solution
Answer: Option C
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