A water pump, rated `400W`, has an efficiency of `75%`. If it is employed to raise water through a height of `40m`, find the volume of water drawn in `10min`.

A pump lifts 373 kg of water to a height of 10m in 98s. Find the power of the pump. Express it in horsepower.

A pump lifts 5000kg of water per minute through a height of 12m. Find the power of the engine if 30 % of energy is wasted.

An engine pumps 800 kg of water through height of 10 m in 80 s. Find the power of the engine if its efficiency is 75%

An engine pumps 800 kg of water through height of 10 m in 80 s. Find the power of the engine if its efficiency is 75%

A pump can raise 100 L of water per minute to a height of 10 m . What should be the power of the pump ?

The power of water pump is 4 kW. If g=10 ms^(-2), the amount of water it can raise in 1 minute to a height of 20 m is

The power of water pump is 4 kW. If g=10 ms^(-2), the amount of water it can raise in 1 minute to a height of 20 m is

The power of water pump is 4 kW. If g=10 ms^(-2), the amount of water it can raise in 1 minute to a height of 20 m is

An inventor claims to have constructed an engine that has an efficiency of 75% when operated between the boiling and freezing points of water. Is this possible?

A water pump raises 50 litres of water through a height of 25 m in 5 .Calculate the power of the pump required . (Take g=10 N kg^(-1) and density of water =1000 kg m^(-3) )