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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-9 section-3

Each section contains 100 MCQs on Coal Mining .
81
In a seam with loco haulage system the junctions with main haulage are staggered.
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Answer & Solution
Answer: Option B
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82
How many coal seams belong to Barakar formation
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Answer & Solution
Answer: Option C
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83
Limiting gradient for longwall mining.
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Answer & Solution
Answer: Option C
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84
The sudden release of elastic strain energy stores in pillars which results violent burst of coal pillars called
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Answer & Solution
Answer: Option B
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85
Width of workings from goaf line of face . . . . . . . .
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Answer & Solution
Answer: Option A
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86
The purpose of treatment of holes with chemicals silicate of soda and alluminium sulphate is to reduce
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Answer & Solution
Answer: Option B
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87
Pressure bumps occur
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Answer & Solution
Answer: Option B
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88
For design of pillars used is
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Answer & Solution
Answer: Option C
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89
The hydraulic profile H : L ratio generally for reasonable good stowing rate is
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Answer: Option C
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90
Derrick made of
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Answer: Option A
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