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-8 section-2

Each section contains 100 MCQs on Mine Ventilation .

The specific gravity of mercury is . . . . . . . .

A) 11.6 B) 12.6 C) 14.6 D) 13.6

Discuss

Answer & Solution

Answer: Option D

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

The dimensions of the OXD-2M instrument.

A) 190 × 70 × 50 mm B) 192 × 80 × 50 mm C) 200 × 80 × 60 mm D) 170 × 80 × 40 mm

Discuss

Answer & Solution

Answer: Option B

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

Ignition temperature of anthracite coal is

A) 200°C B) 300°C C) 400°C D) 450°C

Discuss

Answer & Solution

Answer: Option C

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

Lower limit of inflammability of methane air mixture that participate in exposion

A) 3% B) 8% C) 5% D) 10%

Discuss

Answer & Solution

Answer: Option C

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

D₆ MSA methenometer works on the principle of

A) diffusion B) wheat stone bridge C) reaction of methane with chemicals D) difference in refractive index

Discuss

Answer & Solution

Answer: Option B

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

Hoolamite will be converted to a shade of green, brown or black by the reaction of . . . . . . . .

A) CO₂ B) CO₂N₂ C) CO D) H₂S

Discuss

Answer & Solution

Answer: Option C

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

Temperature of mine air commonly measured by . . . . . . . .

A) Hg thermometer B) alcholal thermometer C) colour alcholal thermometer D) all of these

Discuss

Answer & Solution

Answer: Option A

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

The ratio of mass of water vapour per m³ of air to mass of water vapour required to saturate one m³ of air called

A) relative humidity B) saturded air C) kent D) absolute humidity

Discuss

Answer & Solution

Answer: Option A

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

Motive column is given by the formula

A) $$\frac{{Tu + Td}}{{273 + Tu}} \times D$$ B) $$\frac{{Tu - Td}}{{273 + Tu}} \times D$$ C) $$\frac{{Tu - Td}}{{273 - Tu}} \times D$$ D) $$\frac{{Tu + Td}}{{273 - Tu}} \times {D^2}$$

Discuss

Answer & Solution

Answer: Option B

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

When lime is added to water.

A) value of P_H increases B) value of P_H decreases C) neutral D) P_H value first increase and these decrease

Discuss

Answer & Solution

Answer: Option A

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

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Mine Ventilation MCQs Questions & Answers | Mining Engineering