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-10 section-1

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

The prop is errected in inclined seams

A) Normal to dip B) Vertical C) Against dip D) Rise

Discuss

Answer & Solution

Answer: Option A

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

Square set support made of

A) Steel B) Sand C) Timber D) Hydraulics

Discuss

Answer & Solution

Answer: Option C

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

The capsule bolt should not be loaded for the first . . . . . . . . hour.

A) $$\frac{1}{4}$$ hour B) $$\frac{1}{6}$$ hour C) $$\frac{1}{2}$$ hour D) $$\frac{1}{8}$$ hour

Discuss

Answer & Solution

Answer: Option C

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

Maximum unsupported span is related to excavation support ratio [ESR] and 'Q' of Barton's classification by the formulae.

A) 3[ESR]Q^0.2 B) 2[ESR]Q^0.2 C) 3[ESR]Q^0.4 D) 2[ESR]Q^0.4

Discuss

Answer & Solution

Answer: Option D

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

Prop tightened by the lid against roof and floor by driving . . . . . . . . with hammer.

A) Wedse B) Chock piece C) Lid D) Flat base

Discuss

Answer & Solution

Answer: Option A

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

40 × 40 m centre to centre size of coal pillar in bord and pillar working, at a depth of 280 m has 4 m wide gallans. What area of roof does a pillar support according to tributary area.

A) 1600 B) 1296 C) 1120 D) 1936 E) 4480

Discuss

Answer & Solution

Answer: Option A

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

The fire proof supports are

A) Props B) Pigsty C) Duplay mats D) Bolts

Discuss

Answer & Solution

Answer: Option D

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

The safe cover for surface required when caving employed, and on surface multistored building

A) 60 T B) 9 T C) 45 T D) 37.5 T

Discuss

Answer & Solution

Answer: Option A

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

Slot and wedge type bolt made of

A) Steel B) Mild steel C) Wrought iron D) Maganese steel

Discuss

Answer & Solution

Answer: Option B

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

100

For a frequency of vibration 3 - 300 cycle/sec the PPV safe for structure is

A) 5.08 cm/s B) 19.3 cm/s C) 25.4 cm/s D) 30.08 cm/s

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