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Drilling and Blasting MCQs Questions & Answers | Mining Engineering

Learn and practice multiple-choice questions (MCQs) with answers related to Drilling and Blasting. These resources are available for mining engineering students who wish to clear GATE exams, technical interviews, competitive examinations, and other entrance exams. The Drilling and Blasting chapter is particularly important for students studying mining engineering. Page-4 section-2

Each section contains 100 MCQs on Drilling and Blasting .
31
If the fire is small, dire is dealt with, involves combustable material.
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Answer & Solution
Answer: Option A
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32
The bearing capacity of pillar is maximum for . . . . . . . .
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Answer & Solution
Answer: Option C
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33
Where the skip winding adopted the shaft should be sunk deeper by minimum of . . . . . . . . meter below the underground decking level, depending mainly upon the height of skip.
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Answer & Solution
Answer: Option C
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34
. . . . . . . . type of fan prefer to install fan in less space at surface.
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Answer & Solution
Answer: Option A
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35
The presence of . . . . . . . .% Hydrogen in methane eliminates the delay completely.
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Answer & Solution
Answer: Option C
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36
CO/O2 deficiency ratio in coal mines in extream cases only it may be upto . . . . . . . .
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Answer & Solution
Answer: Option D
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37
The raising capacity of mine depends on . . . . . . . .
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Answer & Solution
Answer: Option C
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38
Sraper bucket capacity
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Answer & Solution
Answer: Option B
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39
Ventilation stoppings made of . . . . . . . .
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Answer & Solution
Answer: Option B
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40
Specific gravity of Nitroglycerene.
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Answer & Solution
Answer: Option C
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