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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-7 section-3

Each section contains 100 MCQs on Coal Mining .
61
Which is used for raising and lowering of rods of square section
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Answer & Solution
Answer: Option C
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62
Hydrogenation of tar obtained by the process of
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Answer & Solution
Answer: Option C
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63
Percussive drilling methods classified in to
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Answer & Solution
Answer: Option A
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64
Shock bumps occurs in
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Answer & Solution
Answer: Option A
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65
For adoption of hydraulic sand stowing, the availability of sand from rivers flowing near the collieres within . . . . . . . . Km.
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Answer & Solution
Answer: Option B
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66
Controlling the course of bore hole to follow predetermined path and complete the hole at desired surface location called
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Answer & Solution
Answer: Option A
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67
Length of rooms and room and pillar mining
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Answer & Solution
Answer: Option B
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68
In B.G the entire operation of drilling, blasting takes about
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Answer & Solution
Answer: Option B
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69
Coincident verticality of pillars in multisection working is not required to be maintained when the strata are inclined at an angle of more than . . . . . . . .
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Answer & Solution
Answer: Option C
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70
Improved technique of removal of core during drilling without raising of drill rods
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Answer & Solution
Answer: Option D
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