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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-9 section-8

Each section contains 100 MCQs on Drilling and Blasting .
81
In the centrifugal fan re-entry of the discharged air is prevented by . . . . . . . .
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
82
The pressure actually developed by the fan and expended on over comming the mine called . . . . . . . .
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Answer & Solution
Answer: Option B
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83
When wet bulb temperature and dry bulb temperature are some, what is the relative humidity.
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Answer & Solution
Answer: Option D
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84
Caustite removes . . . . . . . .
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
85
In solid blasting practice which of the following type of initiation is preferred?
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Answer & Solution
Answer: Option B
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86
Deflagration means
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Answer & Solution
Answer: Option A
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87
Which type of air lock provided in Chinakure mine.
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Answer & Solution
Answer: Option C
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88
Which drivage is costlier and not quicker
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Answer & Solution
Answer: Option B
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89
Smoke helmet provided with a flexible hose pipe of length . . . . . . . . and dia of hose . . . . . . . .
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Answer & Solution
Answer: Option A
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90
Exhaust fan requires air lock at . . . . . . . . shaft.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board