Mining Engineering > GATE 2019 > Mine Drainage
A pump delivers 3000 liter of water in 2.0 minutes through a pipe of length 1000 m laid on a gradient of 1 in 10. The combined efficiency of pump and motor is 70%. If friction and shock losses are negligible, the input power to the motor in kW (rounded off to one decimal place) is _________.

Correct : 33.0

Similar Questions

Water is pumped from a mine sump at the rate of 300 m3/hr to an inverted conical water tank, as shown. The rate of rise in water level in m/min, at the instant...
#34 Fill in the Blanks
Data for a centrifugal pump discharging water from a sump to the surface are given. The annual electrical power consumption in GWh, due to pumping operation...
#41 Fill in the Blanks
A pump lifts mine water of density 1020 kg/m3, at 250 m3/hr from a depth of 150 m. The overall pumping efficiency is 68%. Considering a head loss of 15 m due to...
#166 Fill in the Blanks

Related Topics

No tags found

Unique Visitor Count

Total Unique Visitors

Loading......