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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-9

Each section contains 100 MCQs on Drilling and Blasting .
21
Scraper also called
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Answer & Solution
Answer: Option B
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22
Silica gel in gas mask removes . . . . . . . .
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Answer & Solution
Answer: Option A
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23
The quantity per min should be of the working face.
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Answer: Option C
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24
In anemometer the vanes are set . . . . . . . . to the direction of air flow.
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Answer: Option C
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25
Permitted explosives are still required to be used in any stone drift or sinking shaft when distance is within . . . . . . . .m of any coal seam or coal measures drift?
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Answer & Solution
Answer: Option B
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26
The shape of drill rods used in coal drilling with electric drill.
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Answer: Option B
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27
Light weight barriers used at
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Answer: Option A
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28
By burning 1 kg of coal dust (having 75% carbon). How much CO will be produced?
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Answer: Option D
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29
The type of drill rods used in stone drilling
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Answer: Option B
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30
Catalysist absorbs . . . . . . . . vapours.
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Answer & Solution
Answer: Option C
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