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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-1

Each section contains 100 MCQs on Mine Supports and Strata Control .
51
Crack formed under tensile stress and shear stress called
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Answer: Option B
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52
The maximum stress of metals can withstand without breaking or without failure for specific number of stress reveals.
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Answer: Option B
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53
The yeilding props which exerts resistance with continuous increase in yeild called
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Answer: Option B
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54
The minimum length of sleeper used as chock support if the roof height of 3 m to be supported
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Answer: Option A
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55
The chock is tightend against the roof by hammering . . . . . . . .
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Answer: Option C
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56
Stress is
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Answer: Option B
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57
Plate shows a triaxial test cell for specimens upto . . . . . . . . diameter.
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Answer: Option C
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58
Normal load, in hydraulic prop.
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Answer: Option D
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59
In pressure arch theory, lateral forces, intensity of which increases with . . . . . . . .
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Answer: Option A
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60
Rejects are coals whose ash + moisture is in excess of
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Answer: Option C
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