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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-2

Each section contains 100 MCQs on Drilling and Blasting .
91
The process of inducing artificial respiration in a person who is unconsious and whose rate of breathing is feeble . . . . . . . .
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Answer & Solution
Answer: Option B
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92
Moisture is given of during oxydation of coal, condensation of moisture deposition as beads on cooler surfaces the stage called . . . . . . . .
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Answer & Solution
Answer: Option B
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93
For installation of booster . . . . . . . . days notice to be given to JDMS.
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Answer & Solution
Answer: Option B
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94
Sodium phosphate liquifies at . . . . . . . . °C.
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Answer: Option C
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95
It is best to control noise at the
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Answer & Solution
Answer: Option C
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96
When the oxygen percentage comes down to nearly 2 remains at that level or below for some weeks the fire may be considered to be . . . . . . . .
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Answer: Option C
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97
The strata temperature and crushing effect of superincumbent rocks of coal seam accelerate of
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Answer: Option A
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98
Find the efficiency of the fan of the BHP is 45 and air hp is 15.
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Answer: Option A
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99
The main purpose of a Booster fan a mechanical ventilator usedbelow ground for
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Answer: Option B
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100
Vertical, steeply inclined passage driven downward movement of ore by gravity, not employed in coal mining.
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Answer: Option A
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