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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-9 section-4

Each section contains 100 MCQs on Drilling and Blasting .
81
The MCDR are not applicable to . . . . . . . .
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
82
The coefficient of friction in smooth lined roadway . . . . . . . .
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Answer & Solution
Answer: Option A
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83
Coal dust explosions can be prevented by
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Answer & Solution
Answer: Option E
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84
These type of explosives commonly used in under ground coal mines.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
85
Explosives are used in mines for . . . . . . . . coal/mines.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
86
The percentage of charcoal in gun powder.
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Answer & Solution
Answer: Option C
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87
The cotton wool in gas mask removes . . . . . . . .
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Answer & Solution
Answer: Option D
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88
A fan circulates 6000 m3/min of air at a pressure of 20 mm of Hg. Air power in HP will be
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Answer & Solution
Answer: Option B
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89
The weight strength of blasting gelatine is . . . . . . . .
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Answer & Solution
Answer: Option D
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90
To control the fly rock the blasting technique adopted is . . . . . . . .
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board