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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-1 section-3

Each section contains 100 MCQs on Coal Mining .
1
Heavy roof fall even premature collapse may take place if line of goaf is
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Answer & Solution
Answer: Option C
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2
Gallaries which are heightend, widended should be supported by row of props . . . . . . . . meter aparts and chocks . . . . . . . . meter apart.
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Answer & Solution
Answer: Option A
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3
Drilling with manual labour without help of power is suitable upto a depth of
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Answer: Option B
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4
The life C.I. pipes used in sand stowing is . . . . . . . . lac ton of sand.
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Answer & Solution
Answer: Option B
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5
Underground water emerging on surface in form of seepages and springs found to form loose superfical deposits of calcium carbonates called
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Answer: Option D
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6
Which type of drill bit suitable for highly sillceous rock
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Answer: Option C
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7
In B.G the full thickness of the seam can be extracted in one lift with percentage of recovery upto . . . . . . . .
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Answer: Option D
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8
Length of holes drilled by jumbos vans from
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Answer: Option C
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9
Spiral warm is used for removing
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Answer: Option C
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10
The fall which takes place soon after withdrawal of supports called
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Answer: Option B
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