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Mine Supports and Strata Control MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Mine Supports and Strata Control. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Mine Supports and Strata Control chapter is particularly important for students studying mining engineering. Page-9 section-1

Each section contains 100 MCQs on Mine Supports and Strata Control .
81
CMRS designed hydraulic Prop. Have
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Answer & Solution
Answer: Option B
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82
The hydraulic props classified into . . . . . . . . types.
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Answer: Option C
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83
Pick odd-man out
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Answer: Option D
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84
Vertical compressive forces are proportional to the . . . . . . . . excavation.
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Answer: Option C
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85
The pressure rating of triaxial cell is . . . . . . . . maximum confining pressure.
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Answer: Option B
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86
The point load index strength index (IS) of rock is, 0.5 Mpa, what is the compressive strength of that rock?
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Answer: Option A
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87
Commercial grades fixed by Government of India based an analysis carried out under
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Answer: Option C
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88
RMR is predominently used for estimation of rock load and design of the support system for . . . . . . . . in underground mines.
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Answer: Option B
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89
Calculate the safe cover, if the seam extracted by stowing on surface occupied by Kacha buildings assume thickness of seam is 2 m.
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Answer: Option B
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90
In cross bar support, the side clamps are put in holes of atleast A cm deep. Made in coal pillar side, A is given by
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Answer: Option D
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