An electric pump is used to fill an overhead tank of capacity 9m3 kept at a height of 10m above
the ground. If the pump takes 5 minutes to fill the tank by consuming 10kW power the efficiency
of the pump should be (Take g= 10ms-2)
(A) 60% (B) 40%
(C) 20% (D) 30%

  • 2
What are you looking for?