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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-4

Each section contains 100 MCQs on Drilling and Blasting .
51
Anemometers are used to measure air velocities between.
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Answer: Option A
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52
The method of manual respiration used only when it is impossible to turn the patient on his face.
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Answer: Option B
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53
Upto what distance an underground coal mine face shall be treated in the manner specified in sub-regulation 3 of regulation 144 of CMR 2017 before firing in that face?
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Answer: Option B
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54
In a mine of low resistance in single fan operating at . . . . . . . . efficiency.
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Answer: Option B
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55
The amount of stone dust deposited in each shell of heavy weight barrier.
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Answer: Option D
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56
To calculate the size of shaft pillar the scientific approach base on . . . . . . . .
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Answer: Option B
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57
The minimum distance from centre to centre, if the depth of the seam 450 m and gallery width is 4.8 m.
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Answer: Option C
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58
The state of fire, composition of gases and their pressure conditions behind the sealed of area can be known by means of . . . . . . . .
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Answer: Option B
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59
Godbert-Greenwaid apparatus used for
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Answer: Option D
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60
What recommendation has been made in CMR for firing large number of shots?
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Answer: Option A
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