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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-9

Each section contains 100 MCQs on Drilling and Blasting .
41
The site selection conditions and other details of establishing a reserve station in a mine can be specified by
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Answer & Solution
Answer: Option B
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42
Preparatory stoppings also called as . . . . . . . .
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Answer: Option B
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43
CO produced by O2 absorbed the ratio is called . . . . . . . .
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Answer: Option A
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44
The weight of chemical oxygen breathing apparatus SAR-30.
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Answer: Option B
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45
Ascensional and homotropal ventilationis normally adopted to ventilate in inclined longwall face is
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Answer: Option D
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46
In this process, holes can be drilled from surface or underground working at any angle to the horizontal and used mainly for coring. The drilling process is called
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Answer: Option C
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47
The mine manager, on getting information of fire has to inform the . . . . . . . . and also near by . . . . . . . . station.
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Answer: Option D
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48
The coal drill run by the voltage of
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Answer: Option D
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49
The oxygen of the exhalaled breath is reused is called . . . . . . . . apparatus.
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Answer: Option B
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50
Alluvial mining is done in . . . . . . . .
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Answer: Option C
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