GATE MN · 2024 · MN
Question 51: Mining Machinery
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Question 51
MNNAT2 marksNeeds review
Data for a centrifugal pump discharging water from a sump to the surface are given.
Head, m : 180
Discharge rate, m
/hr : 320
Operating hours per day for 270 days in a year : 14
Operating hours per day for remaining 95 days : 20
Overall efficiency of the pump system : 0.70
Specific weight of mine water, kN/m
: 10.20The annual electrical power consumption in GWh, due to pumping operation, is _____. (round off up to 2 decimals)
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2024MN
GATE MN 2024 · Paper 1
Mining Engineering · Original paper archive
- Section
- Mining Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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