Mine Ventilation MCQs Questions & Answers

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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-6 section-2

Each section contains 100 MCQs on Mine Ventilation .

Barometric pressure is expressed in

A) mm of kg B) mm of Hg C) mm of Hg² D) mm of cm

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The equation of Boyle's Law is

A) $${P_1}{V_1} = {P_2}{V_2} = {\text{Constant}}$$ B) $${V_1}{V_2} = {T_1}{T_2} = {\text{Constant}}$$ C) $$R \propto \frac{1}{D}$$ D) $$\frac{{{V_2}}}{{{V_1}}} = \frac{{{T_2}}}{{{T_1}}} = {\text{Constant}}$$

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The gas law states, the volume of given mass of gas is directly proportional to its absolute temperature when pressure is constant.

A) Boyle's law B) Charle's law C) Graham's law D) Ohm's law

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Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The welt bulb temperature in development face should not exceed . . . . . . . .

A) 30°C B) 31°C C) 33.5°C D) 35°C

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

PS detector is manufactured by . . . . . . . .

A) MSA B) Drager C) Siebe German Co. D) EMCOR

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Lowest percentage of moisture content in methane air mixture at which no explosion take place is

A) 5.5 B) 11.7 C) 14 D) 29

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The percentage of argon present in atmospheric air by volume.

A) 0.84 B) 0.74 C) 0.94 D) 0.99

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Every fan on surface should be capable of . . . . . . . . the ventilation, if electrically driven.

A) rotation B) flow in one directioin C) reversal D) all of these

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Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Infrared spectrometry commonly used for

A) gas detection B) gas analysis C) proto detector D) all of these

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

H₂ is . . . . . . . . gas.

A) heavy B) floating C) light D) poisonous

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Mine Ventilation MCQs Questions & Answers | Mining Engineering