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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-2 section-8

Each section contains 100 MCQs on Drilling and Blasting .
11
If the guide ropes are clammped in shaft to the girders in under ground decking level shaft may extend only . . . . . . . . m below the girder level.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
12
If the black damp exceeds about . . . . . . . .% the atmosphere became non explosive irrespective of any percentage of firedamp.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
13
The maximum number of detonators issued to have in the possession of Shot-firer during a shift shall never exceed the
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
14
The instrument used for counting and size of suspended cloud of aerosois.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
15
There is no pressure drop between intake to return after installation of booster fan called . . . . . . . .
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
16
Stone dust barrier may fail of located within . . . . . . . .m of face or other potential source of ignition.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
17
Horizontal roadway parallel to strike of vein located either on footwall or hanging wall side.
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Answer & Solution
Answer: Option B
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18
Person are not permitted to travel on.
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
19
For measuring the area of roadway of irregular shape, a suitable device used called . . . . . . . .
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
20
To prevent coal dust raising loading skips be arranged in the
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board