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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-1

Each section contains 100 MCQs on Drilling and Blasting .
51
The constant feed rate of BG 174 apparatus is . . . . . . . . It/min.
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Answer & Solution
Answer: Option C
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52
The weight of spiral - 2C apparatus.
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Answer & Solution
Answer: Option B
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53
Ventilation survey means
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Answer & Solution
Answer: Option B
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54
Class 8 group explosives are
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Answer & Solution
Answer: Option C
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55
A rescue station is under the control of . . . . . . . .
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Answer & Solution
Answer: Option C
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56
Cactus grab is employed in . . . . . . . .
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Answer & Solution
Answer: Option A
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57
Every shot-firing apparatus needs to be tested at what minimum intervals as stated in CMR 2017?
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Answer & Solution
Answer: Option B
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58
Conditions for deep hole blasting shall be specified in a general order by whom?
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Answer & Solution
Answer: Option B
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59
In a sealed off fire area as the O2 of the trapped mine air consumed its pressure becomes less than the atmospheric air of the mine and fresh air leaks in to fire area, called.
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Answer & Solution
Answer: Option B
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60
Silica gel in gas mask removes . . . . . . . .
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Answer & Solution
Answer: Option A
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