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Drilling and Blasting MCQs Questions & Answers | Mining Engineering

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-2 section-5

Each section contains 100 MCQs on Drilling and Blasting .
11
If the gas emission in a mine is very high as may some. times occur in very deep mines, it is a safe practice to substitute electric power supply by . . . . . . . .
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
12
Heat produced by human being through the process of . . . . . . . .
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
13
The weight of self contained breathing apparatus of proto marks V . . . . . . . . of 2 hour duration in kg.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
14
The quantity survey can be made in gassy mines of III degree once in every . . . . . . . . days.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
15
Face pump h.p varies from
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
16
Spraying the surface of stoping with liquid cement sand mixture ratio 3 : 1 called
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
17
Identify the odd out if the lot.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
18
Saylor's classification is based on . . . . . . . .
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
19
Taking the air to the lower point of the district and allow to travel to higher levels to ventilate the district or faces before goes to return . . . . . . . .
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
20
Which explosive is blasted by safety fuse.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board