Mine Supports and Strata Control MCQs Questions & Answers

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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-2

Each section contains 100 MCQs on Mine Supports and Strata Control .

Poisson ratio for rock is generally taken as

A) 0.05 B) 0.1 C) 0.5 D) 0.25

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Support at the goof edge is made strongest. Why

A) to keep immediate roof intact B) to resist coal bumps C) support requirement in other areas will be minimum D) help to roof to break

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

In flaggy rocks when bedding planes on them less than

A) 50 mm B) 60 mm C) 75 mm D) 90 mm

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Cog are required under regulations at

A) Goaf edges B) Junctions C) Depillaring areas D) Break line of goaf E) All these

Discuss

Answer & Solution

Answer: Option E

No explanation is given for this question. Let's Discuss on Board

Prime coaking coal occur in India in the state of

A) Jharkhand B) Chhattisgarh C) Orissa D) Bihar E) A.P.

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The length of slot and wedge bolt.

A) 1.3 m B) 1.5 m C) 1.8 m D) 1.4 m

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Protruding ends of roof bolts can be used to suspend.

A) Air pipes B) Cables C) Water pipes D) All of these

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Sound, pressure level is measured in

A) Linear scale B) Logarithmic scale C) Hertz D) Any of these

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Poissons ratio is defined as

A) Ratio of longitudinal strain to lateral strain B) Ratio of longitudinal stress to lateral strain C) Ratio of lateral stress to longitudinal stress D) Ratio of lateral strain to longitudinal strain

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

L/W faces with caving have called difficulties in roof control are depth less than nearly . . . . . . . .

A) 100 m B) 200 m C) 300 m D) 400 m

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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