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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-1

Each section contains 100 MCQs on Coal Mining .
71
The best method of mining in seam of 4.8 m thick, 500 m deep and massive sand stone roof.
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Answer & Solution
Answer: Option D
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72
In sand stowing incorrect profile will effect
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Answer & Solution
Answer: Option A
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73
The holes to be treated with chemicals known as
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Answer & Solution
Answer: Option C
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74
The percussive drilling is applicable upto a maximum depth of . . . . . . . . m.
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Answer & Solution
Answer: Option C
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75
The water bearing quality of seam is measured by the
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Answer & Solution
Answer: Option C
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76
In hydraulic sand stowing the throw of the sand without nozzle is . . . . . . . . m and with nozzle is . . . . . . . . m.
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Answer & Solution
Answer: Option D
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77
The purpose of boring is
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Answer & Solution
Answer: Option D
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78
The pressure on diamonds is between during drilling
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Answer & Solution
Answer: Option B
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79
Chilled shot drilling suitable for drilling vertical and large diameter holes of
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Answer & Solution
Answer: Option B
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80
Deviation may occur in a hole of small depth as . . . . . . . .
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Answer & Solution
Answer: Option D
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