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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-8 section-5

Each section contains 100 MCQs on Coal Mining .
71
Splitting may start from . . . . . . . . middle points of pillar simultaneously.
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Answer & Solution
Answer: Option B
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72
Strata through which shaft has to be sunk may be divided into
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Answer & Solution
Answer: Option D
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73
Diamond drill bit is rotated at a speed of nearly
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Answer & Solution
Answer: Option C
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74
The pressure falling on drill bit can be controlled during drilling by
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Answer & Solution
Answer: Option C
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75
The methods used deflection of bore holes are
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Answer & Solution
Answer: Option E
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76
The discharge velocity of sand in pneumatic stowing in m/s . . . . . . . .
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Answer & Solution
Answer: Option C
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77
Manual drilling is possible upto maximum
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Answer & Solution
Answer: Option B
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78
For deep hole, downward holes, for blasting in quaries, the type of drilling preferred are
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Answer & Solution
Answer: Option D
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79
Pocket wheel stowing machines also called
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Answer & Solution
Answer: Option B
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80
Lump breaker installed near belt conveyor to reduced the coal to . . . . . . . . size.
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Answer & Solution
Answer: Option A
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