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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-6 section-3

Each section contains 100 MCQs on Mine Supports and Strata Control .
51
Mining situations which roof is called good and reliable.
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Answer & Solution
Answer: Option C
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52
It is a good practice to keep . . . . . . . . m of coal intact near a shaly roof during development
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
53
The value of the threshold convergence in long wall mining is . . . . . . . . mm/m.
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Answer & Solution
Answer: Option B
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54
Method of estimation in which shape and size of ore can be estimated called
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Answer & Solution
Answer: Option B
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55
The hydraulic oil used in hydraulic prop may be water with . . . . . . . .% of suitable oil.
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Answer & Solution
Answer: Option B
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56
Which kind of roof weathers quickly when exposed to atmospheric action and spalls off.
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Answer & Solution
Answer: Option A
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57
In case of weak rock over lain by strong rock, the bolt installed through them will act in
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Answer & Solution
Answer: Option C
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58
The widely acceptable theory behind roof bolt is
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Answer & Solution
Answer: Option A
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59
A support with combination of sleepers above one another in a cris-cross manner
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
60
In high stress zone, the shape of the shaft cross section should be
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board