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Coal Mining MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Coal Mining. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Coal Mining chapter is particularly important for students studying mining engineering. Page-3 section-4

Each section contains 100 MCQs on Coal Mining .
21
The pipe joints should be occasionally tested at a pressure of . . . . . . . . in hydraulic stowing.
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Answer & Solution
Answer: Option A
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22
Cuttings from bottom of hole removed in percussive drilling by means of
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Answer & Solution
Answer: Option B
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23
Daily advance of gallaries by continuous, miner is . . . . . . . .
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Answer & Solution
Answer: Option B
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24
In which shape of shaft resist heavy side pressure, offers least rubbing surface to ventilating air
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Answer & Solution
Answer: Option C
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25
Brine is a solution of
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Answer & Solution
Answer: Option A
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26
Deviation of bore hole increases with
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Answer & Solution
Answer: Option C
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27
Bumps occurs usually in the following condition
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Answer: Option E
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28
The type of core barrel prefered to get better core recovery inhomogenious formation
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Answer & Solution
Answer: Option A
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29
The poor recovery of core, causes because of the drill rods make
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Answer & Solution
Answer: Option A
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30
A hole 1.2 - 1.5 m deep may require . . . . . . . . of explosive charge
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Answer & Solution
Answer: Option C
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