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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-8 section-6

Each section contains 100 MCQs on Drilling and Blasting .
71
The ignition temperature of betuminous coal is nearly . . . . . . . .°C.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
72
The maximum number of shots that a shotfirer may fire in any shift by using a multi-shot exploder
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Answer & Solution
Answer: Option C
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73
The coefficient of friction in unlined roadway . . . . . . . .
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Answer & Solution
Answer: Option B
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74
In which regulation of CMR 2017, the provisions of dealing with misfires are given?
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
75
Samples of coal dust in the mine with stone dust should be taken at regular intervals of . . . . . . . . days.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
76
The unit of resistance in SI units is . . . . . . . .
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Answer & Solution
Answer: Option B
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77
The weight of proto mark IV apparatus . . . . . . . .
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Answer & Solution
Answer: Option C
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78
The main transporting medium where high outputs are to be handled.
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Answer & Solution
Answer: Option A
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79
The minimum insulation resistance of medium power cable is . . . . . . . .
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Answer & Solution
Answer: Option B
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80
Centrifugal fan occupies . . . . . . . . space for installation.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board