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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-10 section-1

Each section contains 100 MCQs on Drilling and Blasting .
91
Gas mask a self rescuer should not be used in at atmosophere containing more than . . . . . . . .% CO.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
92
If the fire is inaccessible, in goaf are, too extensive, danger of explosion, dealing with . . . . . . . .
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
93
Magazine should be away from all buildings atleast . . . . . . . . meters.
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Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
94
The reviving apparatus manufactured by the firm of Drager is known by the trade name . . . . . . . .
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
95
Air velocity monitor measures the air velocity between . . . . . . . . using a vortex shedding sensor.
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Answer & Solution
Answer: Option A
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96
In degree I gassy mines the rate of emission of gas m3/t of coal raised is . . . . . . . .
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
97
It is an explosive compound, is a high explosive series as an oxidizing agent, also cooling agent same time is . . . . . . . .
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Answer & Solution
Answer: Option A
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98
Air circulated by a fan, to less quantity, the following to be done . . . . . . . .
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Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
99
The water gauge developed per stage in air screw fan rarely exceed . . . . . . . . mm.
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Answer & Solution
Answer: Option C
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100
How many types of air pressure hose rescue apparatus.
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Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board