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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-1 section-10

Each section contains 100 MCQs on Drilling and Blasting .
1
Incubation period not related to
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Answer: Option C
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2
This factor do not have control over the circulation by natural ventilation.
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Answer: Option D
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3
During drilling, the hole gets filled with cuttings and has to be cleaned out frequently. This is done with the help of
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Answer: Option C
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4
In coal mines low velocities of air dangerous in the point.
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Answer: Option B
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5
In degree III mines the rate of emission of gas m3/t of coal raised is . . . . . . . .
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Answer: Option C
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6
If the deposit is at higher level than the general ground level, the access is by slightly raising roadway from grand level, known as . . . . . . . .
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Answer: Option A
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7
The type of drill rods used for coal drilling.
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Answer: Option A
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8
Due to evoporation of moisture in upcast shaft, the dry bulb and wet bulb temperature upcast shaft will
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Answer: Option B
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9
Duration of BG-174 apparatus . . . . . . . . hrs.
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Answer: Option C
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10
Powdery explosives employed in
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Answer: Option C
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