Drilling and Blasting MCQs Questions & Answers

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Learn and practice multiple-choice questions (MCQs) with answers related to Drilling and Blasting. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Drilling and Blasting chapter is particularly important for students studying mining engineering. Page-5 section-4

Each section contains 100 MCQs on Drilling and Blasting .

The size of the incline usually, in case of travelling way.

A) 4.2 m × 2 m B) 3 m × 1.8 m C) 2 m × 1.8 m D) 2 m × 2 m

Discuss

Answer & Solution

Answer: Option D

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

Brattice cloth used in under ground should be . . . . . . . .

A) Water proof B) Gas resistant C) Fire resistant D) Flame proof

Discuss

Answer & Solution

Answer: Option C

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

Ammonia is not used in u/g coal mine as it is . . . . . . . .

A) Toxic B) Noxious C) Explosive D) Inflammable

Discuss

Answer & Solution

Answer: Option B

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

The formula for finding the law of mine air friction where P = . . . . . . . .

A) $$\frac{{{\text{KS}}{{\text{V}}^2}}}{{\text{A}}}$$ B) $$\frac{{{\text{KSQ}}}}{{\text{A}}}$$ C) $$\frac{{{\text{KS}}{{\text{V}}^3}}}{{{{\text{A}}^2}}}$$ D) $$\frac{{{\text{K}}{{\text{S}}^2}{\text{V}}}}{{\text{A}}}$$

Discuss

Answer & Solution

Answer: Option A

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

Vertical pit from one underground working place to another working place, does not extend to surface called . . . . . . . .

A) Long blind B) Blind pit C) Shaft D) Auxiliary shaft

Discuss

Answer & Solution

Answer: Option B

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

Air samples from behind stopping should be drawn during period of . . . . . . . . barometer.

A) High B) Medium C) Low D) Poor

Discuss

Answer & Solution

Answer: Option C

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

CTC fire extinguishers use for to extinguish

A) Class E B) Class D C) Class A D) Class B

Discuss

Answer & Solution

Answer: Option A

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

In case of reversal of air flow of the fan pressure - volume flow characteristics (P-Q) will indicate

A) High B) Less C) Constant D) First increase then decrease

Discuss

Answer & Solution

Answer: Option B

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

The values of the Angle of draw to the dip side workings to the rise side workings have . . . . . . . .

A) Same values B) Different values C) No values D) Higher values

Discuss

Answer & Solution

Answer: Option B

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

Rise of dry bulb temperature due to auto compression per 100 m depth is

A) 0.976 B) 0.273 C) 0.373 D) 0.284

Discuss

Answer & Solution

Answer: Option A

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

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Drilling and Blasting MCQs Questions & Answers | Mining Engineering