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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-3

Each section contains 100 MCQs on Coal Mining .
11
Speed of rotation in saw toothed drilling
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Answer & Solution
Answer: Option D
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12
While working contiguous seams ventilation may be through
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Answer & Solution
Answer: Option C
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13
Ventilator used in sinking shaft commonly with a capacity of
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Answer & Solution
Answer: Option C
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14
The method of drilling not belongs to Rotory drilling
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Answer & Solution
Answer: Option A
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15
The thickness of thickest seam in India is in meters.
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Answer & Solution
Answer: Option C
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16
Each drill consumes nearly . . . . . . . . of free air per minute work at time in 6 m diameter shaft
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Answer & Solution
Answer: Option C
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17
Any excavation made or being made in a mine for search of or obtaining coal called
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Answer & Solution
Answer: Option A
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18
Construction of brick wall is carried out from with the help of . . . . . . . . in permanent lining.
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Answer & Solution
Answer: Option C
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19
The goaf subsidence can be reduced to about . . . . . . . . of the amount caused by caving in hydraulic stowing.
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Answer & Solution
Answer: Option D
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20
The curb rings are made of
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Answer & Solution
Answer: Option C
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