An energies of 4.9 K.W power is used to pump water from a well 50 m deep. Calculate the quantity of water in kilo which it can pump out in one hour.

A 1-KW motor pumps out water from a well 10m deep. Calculate the quantity of water pumped out per second.

A 1-KW motor pumps out water from a well 10m deep. Calculate the quantity of water pumped out per second.

A motor of power 10 kW is used to pump water from a well 20 m deep . Calculate the efficiency of the motor if it pumps 200 kg of water every minute . Take g = 10 m//s^(2)

A pump of power 20 kW is used to jump out the water from a well 12 m deep . Calculate the efficiency of the pump if 5,000 kg of water is pumped out in 1 minute .

(a) What is the power of an engine which can lift 600 kg of coal per minut from a mine 20 m deep ? (b) A 2kW motor pumps out water from a well 10m deep. Calculated the quantity of water pumped out per second.

A pump extracts water from 50m depth and ejects per sec 10 kg water with a velocity of 10m/s.Calculate is power.

A suction pump at ground level can draw water from a well whose depth of water level is:

Find the useful power used in pumping 3425 m^(3) of water per hour from a well 8 m deep to the surface , supposing 40 % of the horse power during pumping is wasted . What is the horse power of the engine ?