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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-10 section-4

Each section contains 100 MCQs on Introduction to Mining Engineering .
91
The average vertical stress in a coal pillar of a B & P panel is found to be 8 MPa. The depth of the pillar and the average density of overburden rock are 200 m and 2500 kg/m3 respectively. Assuming pillar stress to be the same in all coal pillars of that panel, the extraction ratio of the panel is
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Answer & Solution
Answer: Option A
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92
The Automatic Contrivance shall prevent the descending cage from being landed at pit bottom at a speed exceeding
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Answer & Solution
Answer: Option A
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93
Which of the following characteristics in blasting gallery method is essential to minimize mixing of waste rocks with coal?
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Answer & Solution
Answer: Option B
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94
In order to get better safety, the optimum gradient of a haul road is
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Answer & Solution
Answer: Option B
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95
The maximum number of coal faces in an underground bord and pillar development district is 13. The number of headings in the district is
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Answer: Option C
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96
The method of joining rope is known as
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Answer: Option B
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97
A longwall panel with a face height of 3.0 m and face length of 150.0 m is worked in 3 shifts per day employing 40 men per shift. The depth of the web of the shearer cutting coal is 0.5 m. The unit weight of the coal is 1.4 tonne/m3. Two full face cuts are executed per shift. The daily production from the panel in tonne is
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Answer & Solution
Answer: Option C
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98
The number of workmen's inspector in a large u/g coal mine
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Answer: Option C
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99
A tension crack of 5 m depth behind a rock slope crest is completely filled with water. What is the horizontal force exerted on a unit slope length by the water in the tension crack.
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Answer: Option A
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100
Rack & Pinion is used for
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Answer: Option B
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