A cubical water tank of side 4 m is kept on the roof of a building at the height of 20 m from the ground. A pump of power 5 kW is used to fill this tank. The efficiency of the pump is 80%. Calculate the time required to fill up the tank.
Take, g = 10m * s ^ - 2
Answers
Answered by
1
Explanation:
Power of motor, P=
η
1
t
ρVgh
Where,
ρ=density, V=volume, h=heigth, t=time and η=efficiency of motor
P=
0.3
1
10×60
1000×30×10×60
=100 kW
Power is 100kW
Answered by
0
Answer:
can anyone be my friend please....
Similar questions