Opencast Mining MCQs Questions & Answers

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Learn and practice multiple-choice questions (MCQs) with answers related to Opencast Mining. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Opencast Mining chapter is particularly important for students studying mining engineering. Page-5 section-2

Each section contains 100 MCQs on Opencast Mining .

High wall mining has been successful for wining of

A) Coal blocked in the boundary in Quarry B) Coal susceptible to spontanious heating C) Thick seams worked by drag line D) Seams worked by dumper shovel combination

Discuss

Answer & Solution

Answer: Option A

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

A plane failure occurs due to

A) Tension only B) Compression only C) Both A and B D) None of them

Discuss

Answer & Solution

Answer: Option A

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

The output capacity of adrag line with 11.5 to 15 m³ is million cu.m per year is

A) 1.5 to 1.7 B) 0.25 to 0.75 C) 3 to 4.5 D) Above 4.5

Discuss

Answer & Solution

Answer: Option A

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

Which shovel is higher cost.

A) Compressed operator B) Diesel operator C) Kerosine operator D) Electric operator

Discuss

Answer & Solution

Answer: Option D

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

The process of under water mining of sand, clay, tin and place deposit of gold known as

A) Leaching B) Dredging C) Placer mining D) Hydraulicing

Discuss

Answer & Solution

Answer: Option B

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

'Crowding' means inrespect of dipper shovel.

A) Raising bucket to dumper height B) Moving shovel from one place to another C) Swining the bucket round D) Piercing the bucket into broken coal

Discuss

Answer & Solution

Answer: Option D

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

Full extraction can be obtained by this mining.

A) B.G method B) Long wall C) Open cut mining D) Bord and Pillar

Discuss

Answer & Solution

Answer: Option C

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

Jack hammer is employed to drill holes upto a depth of

A) 3 m B) 8 m C) 10 m D) 12 m

Discuss

Answer & Solution

Answer: Option A

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

Crawler unit is advantage in case of

A) Soft roads B) Rough roads C) Loose sand D) None

Discuss

Answer & Solution

Answer: Option B

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

Fill factor for the drag line is . . . . . . . .

A) 65% B) 75% C) 85% D) 80%

Discuss

Answer & Solution

Answer: Option A

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

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Opencast Mining MCQs Questions & Answers | Mining Engineering