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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-5 section-2

Each section contains 100 MCQs on Drilling and Blasting .
41
By installing an auxiliarly fan a forcing fan is used below ground for ventilation.
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Answer & Solution
Answer: Option A
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42
Which explosive fired by safety fuse.
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Answer & Solution
Answer: Option D
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43
Level situated in between two main drives.
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Answer & Solution
Answer: Option A
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44
The instrument which directly indicates the air velocity in m/sec. any point of observation.
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Answer & Solution
Answer: Option D
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45
The plans regarding the rescue and stone dust brought upto date not less than once in . . . . . . . .
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Answer & Solution
Answer: Option D
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46
Air velocities arereduced in the road ways and at the faceand coal dust formation lessened due to . . . . . . . .
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Answer & Solution
Answer: Option C
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47
One method of informing all workers of emergency situation of the mine is to pour . . . . . . . . oil in the intake of airstream. There by the smell spreads all parts of mine and workers come out.
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Answer & Solution
Answer: Option C
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48
Moving front of any working place or the in bye end of gallery.
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Answer & Solution
Answer: Option C
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49
What is the full form of PETN?
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Answer & Solution
Answer: Option C
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50
Samples of atmosphere from behind the stopping should be collected at intervals, 48 hours after sealing . . . . . . . . interval.
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Answer & Solution
Answer: Option B
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