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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-10 section-2

Each section contains 100 MCQs on Mine Supports and Strata Control .
91
Most of the hydraulic props for use in mines do not incorporate the following devices.
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Answer & Solution
Answer: Option B
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92
During depillaving operations, if the roof is laminated, local fall occurs . . . . . . . . hours after props are withdrawn
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Answer & Solution
Answer: Option C
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93
In thick seam when its thickness is equal to or more than . . . . . . . . m in Indian coal seams.
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Answer & Solution
Answer: Option A
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94
Jharia coal fields occupies an area of
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Answer: Option D
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95
The prop offers the maximum . . . . . . . . to roof.
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Answer & Solution
Answer: Option B
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96
Which roof is treacherous and most unreliable in mines.
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Answer: Option B
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97
The support provides a continuous cover all along the face by canopies placed side by side called
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Answer & Solution
Answer: Option C
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98
Support system design based on RMR depends on the following.
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Answer: Option E
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99
Maximum heating value of coal depend on the percentage is
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Answer: Option C
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100
In a tunnel 2 m × 2 m; the support of weak strata near a dyxe, intrusion is done by
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Answer & Solution
Answer: Option D
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