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Opencast Mining MCQs Questions & Answers | Mining Engineering

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.

Each section contains 100 MCQs on Opencast Mining .
1
Blasting is always done during
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Answer & Solution
Answer: Option B
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2
Which test determines the sensitivity of explosive to shock and impact.
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Answer: Option A
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3
The mining method which does not distroy the land for agriculture and residential purposes.
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Answer & Solution
Answer: Option D
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4
The output capacity of a drag line with 23 to 30m3 is million cu.m per year is
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Answer: Option B
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5
Yeild of coal per kg of special gelatine (60 - 80%) is generally in manual quarry.
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Answer & Solution
Answer: Option B
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6
Stripper shovels are mostly deployed for . . . . . . . .
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Answer & Solution
Answer: Option B
Solution:
Stripper shovels are mostly deployed for Overburden removal in surface mining operations. Stripper shovels are large excavation machines used in open-pit mining, and they are designed specifically for removing overburden or waste rock from the surface to expose the underlying ore or mineral deposit.

Option A, Coal mining, is a common application of stripper shovels as coal deposits are often located beneath thick layers of overburden material, which must be removed before the coal can be extracted.

Option C, Hard rock mining, and Option D, Very hard rock mining, typically involve the use of other types of excavation equipment, such as drilling rigs, blasting equipment, and tunneling machines, that are better suited for the hard rock excavation.

Therefore, the answer to this question is Option B, Overburden removal.
7
Drifters are generally designed to drill
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Answer & Solution
Answer: Option A
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8
Electric drive preferred for . . . . . . . . machines.
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Answer: Option C
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9
The bench of open cast have two elements they are . . . . . . . . and . . . . . . . .
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Answer & Solution
Answer: Option A
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10
Ensure safety in very deep open cast mine and at external dumps, instrumentation being done to record slope stability.
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Answer & Solution
Answer: Option B
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