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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-1

Each section contains 100 MCQs on Drilling and Blasting .
81
The equivalent orifice formule in SI units.
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Answer & Solution
Answer: Option B
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82
The country rock present below the vein.
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Answer: Option C
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83
The type of machinery used to clean the dust ladden air.
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Answer: Option C
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84
A combination of u/g and o/c developed through . . . . . . . .
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Answer: Option A
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85
An explosive, by virtue of its constituents, contains enough oxygen necessary to complete . . . . . . . .
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Answer & Solution
Answer: Option B
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86
An memometers used where the air velocities between . . . . . . . .
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Answer: Option A
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87
Which of the following explosives are recommended for solid blasting practice in underground coal mine?
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Answer: Option C
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88
A high explosive like OCG, if used as booster occupies . . . . . . . . of the total explosive change.
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Answer: Option C
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89
Self contained breathing apparatus, O2 cylinder have O2 containing . . . . . . . . L O2 compressed to . . . . . . . . kg/cm2.
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Answer: Option B
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90
Pop shooting or plaster shooting is a type of
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Answer: Option B
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