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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-4 section-9

Each section contains 100 MCQs on Drilling and Blasting .
31
At 273.15K (°C) enthalpy of air will be
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Answer & Solution
Answer: Option A
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32
Minimum thickness of ventilation stopping is . . . . . . . .
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Answer & Solution
Answer: Option C
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33
Where a pair of taudem cages (accommodating 2 tubs) the finished diameter of shaft may be . . . . . . . .
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Answer: Option B
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34
The size of pillar increases with . . . . . . . .
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Answer: Option C
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35
Door should be open against the air so that air pressurenormally kept closed.
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Answer & Solution
Answer: Option B
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36
Fine dust of coal defined by its content of . . . . . . . . fraction particles.
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Answer: Option C
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37
The weight of 2 hr. duration drager apparatus of BG 174 is . . . . . . . . in kg.
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Answer: Option D
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38
Mochia mine is located in . . . . . . . .
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Answer: Option D
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39
To determine the velocity of air . . . . . . . . is essential inconjunction with anemometer.
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Answer: Option C
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40
Note worthy example in Bullen's incline the length of crossmeasure drift is . . . . . . . . long.
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Answer & Solution
Answer: Option D
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