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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-7 section-7

Each section contains 100 MCQs on Drilling and Blasting .
61
The increased temperature of wet bulb indicates.
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Answer: Option A
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62
Carring of high voltage cables from surface to substation near pit bottom prohibited through UC shaft because of . . . . . . . .
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Answer: Option B
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63
What type of explosives selected to get lump coal.
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Answer: Option A
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64
The General arrangement is to sink two shafts close to each other separated by . . . . . . . ., for facility of a quicker inter communication.
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Answer: Option A
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65
To get lump coal or to minimize the coal dust the blasting technique adopted is
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Answer: Option C
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66
A person doing heavy work breaths at a rate of nearly . . . . . . . . Breaths.
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Answer: Option C
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67
The newest unit of Coal India Limited is . . . . . . . .
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Answer: Option D
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68
The head characteristic of the forward blade centrifugal fan at first with increasing capacity until it flattens, then raising trend before starting to fall again. This indicates the lower loss of head at low capacity which is mainly due to
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Answer: Option B
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69
Non coaking coal mines of India was Nationalised in the year.
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Answer: Option C
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70
Which is the deepest mine in world.
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Answer: Option B
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