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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-5 section-4

Each section contains 100 MCQs on Coal Mining .
41
Minimum life of mine should be more than . . . . . . . . years for adopting horizon mining.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
42
If the water bearing strata may have several feeders of water at various depths these are sealed by this lining
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
43
The . . . . . . . . holes left in brick wall at the curb level during their construction for escape of water called.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
44
The relative distance between roof and floor in a vertical plane called
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
45
Drop shaft methods are also called
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
46
Usual thickness of brick lining vanes from
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
47
Shaft sides buttons are fixed at intervals of . . . . . . . . for support of cables, delivery pipes, etc.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
48
The trend of coal production in India always been on increase except the year . . . . . . . . when production fall down, and packed up again slightly.
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Answer & Solution
Answer: Option A
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49
The type of boring suitable for drilling to a depth of 3000 m with a hole dia of 200 mm
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Answer & Solution
Answer: Option A
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50
The thickness of stowing pipes used in pneumatic stowing.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board