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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-9 section-1

Each section contains 100 MCQs on Coal Mining .
81
In shaft sinking the holes are generally drilled by
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Answer & Solution
Answer: Option C
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82
Wireline drilling is possible upto a depth of
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Answer: Option D
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83
Flap valve provided in
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Answer: Option B
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84
Once the pillar extraction is commenced the splitting of pillars may be done upto pillars ahead of the pillar is under extraction.
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Answer & Solution
Answer: Option A
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85
In Indian coal mining, first time an attempt made for extraction of 4.5 m in single shift at a mine with shield support.
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Answer & Solution
Answer: Option D
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86
Coal bumps usually occur in
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Answer: Option C
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87
The thickness of isolation stopping in degree 2 and 3 mts. thickness not less than
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Answer: Option C
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88
If the depillaring proceeding from dip to rise and seam inclination is not mild so that goaf canbe submerged in water then the line of goaf is
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Answer: Option C
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89
The material thrown with the help of high speed belt conveyar into goaf called
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Answer: Option B
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90
Scaffold ropes are
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Answer: Option A
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