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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-6 section-2

Each section contains 100 MCQs on Drilling and Blasting .
51
For mine evaluation which is used . . . . . . . .
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
52
The number of shock waves accompanied by methane explosions.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
53
The air quality parameter required to be monitored under the Indian National Ambient Air Quality Standards is . . . . . . . .
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
54
The instruments that are used to measure the velocity of air are
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
55
Light type stone dust barrier should be installed in lognwall gate conveyor roads within a range of . . . . . . . .m from the nearest point of the face.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
56
A district separated from other districts by an artificial brick wall or by a long pillar of coal called . . . . . . . .
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
57
In degree II gassy mines the percentage of inflammable gas in the general body of air is . . . . . . . .
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
58
. . . . . . . . . has effect of reducing the air flowing in regulated split, same time increasing the volume of air flow in . . . . . . . . split.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
59
Reversal of ventilation is easy in . . . . . . . . fan.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
60
The smaples are collected in sampling bottles which are by . . . . . . . . and . . . . . . . .
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board