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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-5

Each section contains 100 MCQs on Drilling and Blasting .
81
Deep coal mines lie from surface in India.
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Answer & Solution
Answer: Option A
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82
Which of the following is added as sensitizers in explosive?
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Answer & Solution
Answer: Option C
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83
The pressure inside a sealed vessel shown by a manometer called
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Answer & Solution
Answer: Option B
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84
The formula calculating equivalent orifica is
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Answer: Option C
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85
Dust supression by water has one of the following disadvantage.
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Answer & Solution
Answer: Option B
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86
Always the rescue operations commences from . . . . . . . . in a mine.
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Answer & Solution
Answer: Option B
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87
The period which lapses between the time when the coal is subjected to conditions to self heating and the time of indications of heating called . . . . . . . .
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Answer & Solution
Answer: Option B
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88
A gallery in the process of being driven.
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Answer: Option B
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89
The specific gravity of gelatinous explosives, which sink in water is more than
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Answer: Option C
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90
Weight of self contained breathing apparatus of proto mark V . . . . . . . . in kg of 1 hr duration.
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Answer & Solution
Answer: Option A
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