GATE MN · 2017 · MN
Question 23: Mining Machinery
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Question 23
MNNAT1 markNeeds review
A double ended ranging drum shearer is employed in a longwall mine of face length 150 m. The mining height is 3.5 m and depth of the web cut is 0.76 m. The cycle time for unidirectional cutting is 40 min. Considering bulk density of the coal to be 1.4 t/m
, hourly production from the face in tonne is ________Log in to check the answer
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2017MN
GATE MN 2017 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
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