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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-6 section-6

Each section contains 100 MCQs on Drilling and Blasting .
51
The complete weight of Novex reviving apparatus is . . . . . . . . Kgs.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
52
The isolation stoppings should be well locked into the roof, floor, sides the minimum depth of locking should be shale.
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
53
When O2 falls to 10% or low and CH4 rises to 16% or more in fire stopping the samples collected at intervals of . . . . . . . .
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Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
54
The Manager while fixing maximum number of shots to be fired by the Shotfirer in a shift consider some important issues or parameters. Which of the below mentioned issue or parameter is not considered?
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
55
A person inhales . . . . . . . . l/min, the O2 consumption . . . . . . . . l/min, when walking with load.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
56
The person engaged on drifting work were on the principle of . . . . . . . .
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
57
In smoke helmet/hose mask these apparatus the wearer to depend upon the other man for supply of . . . . . . . ., the wearer himself working in irrespirable air.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
58
The explosive in sinking shaft is mainly carried out by . . . . . . . .
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
59
CO2 gas type extinguishers are used quench . . . . . . . . type fires.
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Answer & Solution
Answer: Option E
No explanation is given for this question. Let's Discuss on Board
60
Shale pieces in contact with coal are known to . . . . . . . . spontanious heating.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board