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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. Page-3 section-2

Each section contains 100 MCQs on Opencast Mining .
21
Geo phone suitable for detecting frequencies in the range of . . . . . . . .
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Answer & Solution
Answer: Option B
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22
In dumper operation, specific fuel oil consumption can be controlled by . . . . . . . .
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Answer & Solution
Answer: Option D
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23
The height of bench for 10 m3 shovel is
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Answer & Solution
Answer: Option D
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24
The value of ore is Rs. 600 per ton, production cost Rs. 400 per ton and cost of over burden removal is Rs. 50 per m3, the break even stripping ratio in m3/ton is
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Answer & Solution
Answer: Option B
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25
Which is used for stripping top soil and making shallow cuts and trenches upto a depth of 3.5 - 6 m.
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Answer & Solution
Answer: Option C
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26
Solomons formula used for calculating.
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Answer & Solution
Answer: Option A
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27
In order to avoid formation of toe in hard rocks the depth of shot hole should be
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Answer & Solution
Answer: Option B
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28
Limiting gredient of drag line.
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Answer & Solution
Answer: Option B
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29
Cut holes are called
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Answer & Solution
Answer: Option C
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30
The line of intersection of the quarry side with the subadjacent unmined surface. Line defines the upper contour of openings.
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Answer & Solution
Answer: Option A
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