Mining Engineering
2019 · Paper 1
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Complete GATE MN 2019 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 13–15 of 65. Imported answers require review unless explicitly marked reviewed.
Question 3
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A flat longwall panel is mined out at an area having subsidence factor
. The measured maximum subsidence on the surface is
for a mining height of
. The subsidence is sabrical ifYour answerChoose one option.
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The PV diagram of four explosives is given below. The preferred explosive for adequate fragmentation in hard and brittle rock is
Your answerChoose one option.
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As per classification of mineral resources “reserve” means
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