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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-2 section-2

Each section contains 100 MCQs on Coal Mining .
11
The percentage of recovery in BG method.
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Answer & Solution
Answer: Option B
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12
The walls by which roof over the goaf partially/compleated supported by
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Answer: Option A
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13
Bentonite chemical is used for
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Answer: Option A
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14
Driving motor HP in thrower conveyar in mechanical stowing.
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Answer: Option A
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15
The distance between one room to another room, leaving a small rib in . . . . . . . . meters in room and pillar mining.
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Answer: Option B
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16
Crows foot used for removing
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Answer: Option A
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17
If the size of the pillar is 30 m × 30 m; the number of stooks done in pillar is
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Answer: Option C
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18
Rotory drilling methods are
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Answer: Option D
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19
For a seam inclined, 60° steep, 2 m thin the method of goaf control employed.
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Answer: Option B
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20
The length of rooms in room and pillar method.
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Answer: Option B
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