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Introduction to Mining Engineering MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Introduction to Mining Engineering. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Introduction to Mining Engineering chapter is particularly important for students studying mining engineering. Page-3 section-2

Each section contains 100 MCQs on Introduction to Mining Engineering .
21
In a cut-and-fill stope, the main purpose of back filling is to
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Answer & Solution
Answer: Option C
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22
Maximum Lump size that can be conveyed by belt conveyer is
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Answer & Solution
Answer: Option A
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23
How much time a dragline may take to complete a cycle for a single pass?
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Answer & Solution
Answer: Option C
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24
A narrow vertical or inclined excavation made in the ore block along the width and the height of a stope to continue stoping is termed as
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Answer & Solution
Answer: Option B
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25
Two coal seams are called contiguous if they are A m (maximum) apart from each other. A is given by
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Answer & Solution
Answer: Option C
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26
The sale value of chromite ore from an open pit mine is Rs. 6500 per tonne. Cost of mining, excluding stripping cost, is Rs. 2450 per tonne. If the cost of stripping is Rs. 1150 per m3, the breakeven stripping ratio in m3/tonne is
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Answer & Solution
Answer: Option B
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27
From a hard rock open pit mine, the following data available
Burden : 3 m
Spacing : 4 m
Bench height : 12 m
Sub-drilling : 1 m
Collar stemming : 4 m
Diameter of hole : 150 mm
Density of rock : 2500 kg/m3
Density of explosive : 800 kg/m3
The powder factor in kg/t is
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Answer & Solution
Answer: Option C
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28
As per the Indian Electricity Rules 1956. the maximum permissible length of a flexible cable used with an electric rope shovel in m is
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Answer: Option C
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29
The slope angle for hard and compact ground should not be more than
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Answer: Option D
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30
The opening cut in open cast mining is known as
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Answer & Solution
Answer: Option B
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