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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-6

Each section contains 100 MCQs on Drilling and Blasting .
31
In a mine of height resistance, the series arrangement of fans gives considerable increase in quantity of air flowing posibly more than . . . . . . . . %.
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Answer & Solution
Answer: Option B
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32
The incline in coal seam should have practically equal area up to a maximum limit . . . . . . . . meters on the strike by development may be considered for belt conveyas.
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Answer & Solution
Answer: Option D
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33
Slusher loader can operate at a gredient of
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Answer & Solution
Answer: Option B
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34
The sampling pipe should be extended that . . . . . . . .m inside the fire stoping.
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Answer & Solution
Answer: Option C
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35
An excavation adjoining the shaft at each of the different levels where men and materials are removed or delivered.
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Answer & Solution
Answer: Option C
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36
The principle behind the air screw fan . . . . . . . .
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Answer & Solution
Answer: Option B
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37
Shock energy of detonation increases rapidly with . . . . . . . .
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Answer & Solution
Answer: Option C
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38
In case of opencast working, after shots are fired which of the following things a Shot-firer/Blaster shall do?
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Answer & Solution
Answer: Option A
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39
Equivalent orifice theory is advanced by
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Answer & Solution
Answer: Option C
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40
The incline in coal seam should have practically equal area upto a maximum of . . . . . . . . meters on the strike by development by rope haulage.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board