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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-3 section-1

Each section contains 100 MCQs on Drilling and Blasting .
21
The CO2 absorbent placed in breathing bag, weights of absorbent is . . . . . . . .
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Answer & Solution
Answer: Option B
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22
The road header machines are capable of cutting rock which are not . . . . . . . .
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Answer & Solution
Answer: Option A
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23
Cordex is a
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Answer: Option C
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24
Class 'B' fires involve liquids generally quenched by . . . . . . . .
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Answer & Solution
Answer: Option A
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25
Oxygen gas liquifies at . . . . . . . .
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Answer & Solution
Answer: Option C
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26
Safe working velocity should not exceed at places where carbide lamps used . . . . . . . .
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Answer & Solution
Answer: Option A
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27
In hosemask, a currugated tube between the mask and air tube or rubber . . . . . . . .
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Answer & Solution
Answer: Option B
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28
These type of explosives not used in under ground coal mines.
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Answer & Solution
Answer: Option B
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29
The temporary stoping have to be buitt in places which are free from . . . . . . . . movements and cracks.
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Answer & Solution
Answer: Option D
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30
Every mine should have at least.
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Answer & Solution
Answer: Option B
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