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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-7 section-2

Each section contains 100 MCQs on Drilling and Blasting .
61
It involves the pressure drop between points called . . . . . . . .
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Answer & Solution
Answer: Option B
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62
Commonly recommended explosives in wet condition in mines.
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Answer & Solution
Answer: Option B
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63
The h.p of coal drills normally of . . . . . . . .
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Answer & Solution
Answer: Option B
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64
The drivages are located at any convenient place in the property.
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Answer: Option B
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65
A connection between two levels in ore body driven upward direction.
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Answer: Option C
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66
The drive in the vein itself, in the wall rock usually in footwall.
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Answer: Option C
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67
To render the collodin cotton safe to handle it is to be
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Answer: Option B
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68
In Reviving apparatus the dial calibrator from zero to . . . . . . . . Iitres per min.
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Answer: Option D
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69
Taking the air to the rise side of the district and allow to travel it to lower levels as it to ventilate the working places called . . . . . . . .
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Answer: Option B
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70
A self rescuer should be used immediately at the first sign of fire or explosion even of no smoke is visible called
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Answer & Solution
Answer: Option B
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