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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-2 section-1

Each section contains 100 MCQs on Drilling and Blasting .
11
The basic principle behind the pressure survey in a mine is depend as . . . . . . . . theorem.
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Answer & Solution
Answer: Option B
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12
What is the characteristic of velocities considered in Euler's equation.
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Answer & Solution
Answer: Option A
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13
If the electricity is used the motors, switch gears and transformers should be provided with . . . . . . . . enclosures.
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Answer & Solution
Answer: Option D
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14
Horizontal roadway driven within ore body between h/w and f/w right angles to drift.
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Answer & Solution
Answer: Option A
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15
The minimum air quantity required at all working places in B/P is.
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Answer & Solution
Answer: Option C
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16
Small magzines in mine premises are accorded the licence in the form.
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Answer: Option B
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17
The plane of rotation of the vanes of anemometer should be as near as
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Answer & Solution
Answer: Option C
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18
When explosive charges in a hole is separated by air gaps in stead of stemming materials then the process is known as
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Answer & Solution
Answer: Option B
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19
To deal with the misfires a relieving hole shall be so placed that at no point shall it be nearer than "A" cm from the misfired hole. A is given by
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Answer & Solution
Answer: Option D
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20
The isolation stopping in I and II degree gassy coal mine should have minimum thickness of
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Answer & Solution
Answer: Option A
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