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-4

Each section contains 100 MCQs on Mine Ventilation .

H₂S inflammable limits.

A) 4.3 - 45 B) 4.5 - 14.5 C) 12 - 75 D) 4 - 40

Discuss

Answer & Solution

Answer: Option A

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

The formula for finding density of moist air in S.I units in kg/m³.

A) $$\left[ {\frac{{B\,0.378\,e}}{{287.1\,T}}} \right]{10^3}$$ B) $$\left[ {\frac{{B\,0.738\,e}}{{287.1\,T}}} \right]{10^3}$$ C) $$\left[ {\frac{{B\,378\,e}}{{297.1\,T}}} \right]{10^2}$$ D) $$\left[ {\frac{{B\,0.378}}{{297.1\,T}}} \right]{10^4}$$

Discuss

Answer & Solution

Answer: Option A

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

The cause which tend to cool the air in mine . . . . . . . .

A) burning of lamps B) operating machines C) local cooling effect D) adicbatic expansion

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Answer & Solution

Answer: Option C

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

The effect of breathing air containing CO % in air is 0.02, the symptoms are

A) headache B) palpitations C) unconsciousness D) death

Discuss

Answer & Solution

Answer: Option A

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Range of middle infrared in optical spectrum is

A) 0.25 - 0.40μ B) 0.40 - 0.70μ C) 0.70 - 2.5μ D) 2.5 - 25μ

Discuss

Answer & Solution

Answer: Option D

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

What are the sources which contributes the moisture content of mine air.

A) persipration of men B) wet road ways C) wet cutting D) all of these

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Answer & Solution

Answer: Option D

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To combat fire in goaf the following as introduced

A) SO₂ B) H₂ C) CO₂ D) N₂

Discuss

Answer & Solution

Answer: Option D

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

The sp.gr of nitrogen.

A) 0.553 B) 0.967 C) 1.1 D) 1.2

Discuss

Answer & Solution

Answer: Option B

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

The poisonous gas is . . . . . . . .

A) O₂ B) CO₂ C) CO D) CH₄

Discuss

Answer & Solution

Answer: Option C

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

Multi gas detector manufactured by the company.

A) Siber German B) Drager C) MSA D) ECOR

Discuss

Answer & Solution

Answer: Option B

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

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Mine Ventilation MCQs Questions & Answers | Mining Engineering