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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-5 section-5

Each section contains 100 MCQs on Drilling and Blasting .
41
The gas which settle at floor level below the fire stopping is
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Answer & Solution
Answer: Option C
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42
Weight of air leg mounted on jack hammer.
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Answer: Option C
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43
Which of the activities should be borne in mind, for any mining activity.
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Answer: Option E
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44
Explosions of coal dust alone (in the absence of firedamp) have been comparatively . . . . . . . .
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Answer: Option B
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45
The axial flow fan blades are set on to the plane of . . . . . . . .
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Answer: Option D
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46
The methods employed to deal with fires are
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Answer: Option C
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47
Dint header suitable for height of roadway not more than . . . . . . . .
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Answer: Option C
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48
If CO/O2 deficiency ratio is 1% it indicates existence of . . . . . . . .
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Answer: Option C
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49
Rescue brigate consists of . . . . . . . . members including leader.
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Answer: Option D
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50
Ventilation door must be arranged to close automatically and with this object frame of the door is so fitted that the top leans about forward in the direction of air pressure.
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Answer: Option C
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