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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-10 section-5

Each section contains 100 MCQs on Drilling and Blasting .
91
The example for stabilizers.
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Answer & Solution
Answer: Option A
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92
For breaking hard rock and brittle rock cut pattern employed is . . . . . . . .
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Answer: Option C
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93
Mining regulations are stringent in inspection of . . . . . . . .
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Answer: Option A
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94
The formule for air power in SI unit is
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Answer: Option A
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95
The person in each inhalation inspires about . . . . . . . . litres of air of which he consumes about . . . . . . . . cc of oxygen so that with breaths per min.
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Answer: Option A
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96
It is given in the statute that when two working places below ground have approached within A metre of each other, the Shotfirer shall fire in any of the two faces only. A is given by
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Answer: Option A
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97
The O2 needed for breathing is produced by . . . . . . . . in chemical O2 breathing apparatus. AVER/SAR-30.
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Answer: Option D
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98
Which type of fan produce more noise . . . . . . . .
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Answer: Option B
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99
Power of ventilationis proportional to
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Answer: Option C
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100
The sources of leakage of air in a mine are
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Answer: Option E
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