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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-3

Each section contains 100 MCQs on Coal Mining .
71
Maximum voltage required for longwall face.
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Answer: Option B
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72
Bore hole survey means
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Answer: Option B
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73
Tubbing thickness depends on . . . . . . . . to withstand
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Answer: Option B
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74
In third degree gassy mines the isolation stoppy should be
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Answer: Option D
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75
Clay anger used in
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Answer: Option D
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76
Maximum roof exposure for stowing is
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Answer: Option D
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77
The goaf packed by introducing the material in a stream of compressed air is called . . . . . . . .
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Answer: Option D
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78
Percussive drilling the rocks is broken by following action
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Answer: Option C
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79
In horizon mining laterals are driven
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Answer: Option B
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80
Ventilation by mechanical means is provided in sinking shaft exceeds at a depth of
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Answer: Option D
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