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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-8

Each section contains 100 MCQs on Drilling and Blasting .
91
What happens if more than one auxiliary fan employed in one ventilation district.
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Answer & Solution
Answer: Option C
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92
It is a process of giving sufficiently voilent shock to the explosive charge to bring almost rearrangement of atoms called . . . . . . . .
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Answer & Solution
Answer: Option B
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93
At Sudhamdih colliery the main coal winding shaft finished diameter is . . . . . . . .
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Answer & Solution
Answer: Option C
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94
The lowest temperature at which the fine dry coal dust can be ignited and can cause the flame to travel through out the dust air mixture is . . . . . . . .
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Answer: Option C
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95
The reducing valve in self contained breathing apparatus, reduces the pressure supplied to the wearer and ensures of . . . . . . . . O2/minutes.
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Answer & Solution
Answer: Option B
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96
First conference of safety in mines held in the year.
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Answer: Option E
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97
When stemming is insufficient then there is chance of
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Answer: Option C
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98
Power output of the fan called . . . . . . . .
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Answer: Option B
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99
The corrugated hose pipe connected to hose masks forms an air . . . . . . . .
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Answer & Solution
Answer: Option A
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100
CO2 absorbent known as . . . . . . . .
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Answer: Option B
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