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-2 section-3

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

RQD signifies

A) Shear strength of rock B) Joints C) Fracture and strength of rock D) All of these

Discuss

Answer & Solution

Answer: Option C

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

Tape extensometers are used to measure

A) Insitu stress B) Induced stress C) Roof convengence D) Load on breaker line props

Discuss

Answer & Solution

Answer: Option B

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

If R is the RMR, B is gallery span in meters, D is the rock density in t/m³, what will be the empirieal formula for rock load in ton/m³?

A) B × D[1.7 - 0.0037R + 0.02R²] B) B × D[1.77 - 0.37R + 0.0002R²] C) B × D[1.7 - 0.0037R + 0.002R²] D) B × D[1.77 - 0.37R + 0.0002R²]

Discuss

Answer & Solution

Answer: Option B

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

The type of supports which needs less man power than conventional supports.

A) Bolts B) Shields C) Chocks D) Junction supports

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Answer & Solution

Answer: Option A

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

If the width of excavation increases, the span of pressure arch . . . . . . . .

A) Decreases B) No change C) Increases D) All of these

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Answer & Solution

Answer: Option C

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

Sal props are available in lengths upto

A) 6 m B) 7 m C) 8 m D) 9 m

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Answer & Solution

Answer: Option D

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

Proximate analysis of coal gives the percentage of

A) O₂, C, N, S, P, H₂ B) Ash, Moisture, Volatilemeter, Fixed carbon C) Both A and B D) None

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Answer & Solution

Answer: Option B

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The hole should terminate . . . . . . . . m below, if immeidate roof is shale.

A) 0.3 m B) 0.2 m C) 0.1 m D) 0.15 m

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Answer & Solution

Answer: Option A

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

Storing space required for roof bolts are

A) Large B) Small C) Medium D) None

Discuss

Answer & Solution

Answer: Option B

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

For starting a mine, the required is

A) Mining lease B) Prospecting license C) Mining Licence D) All of these

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