3. Hot water in an open storage tank at 95.3C is being pumped at the rate of 450L/min from this storage tank. The line from the storage tank to the pump suction is 5.7m of 4 -in. schedule 80 steel pipe and it contains three elbows. The discharge line after the pump is 57m of 4 -in. pipe and contains two elbows: The water discharges to the atmosphere at a height of 5.7m above the water level in the storage tank. Calculate W, of the pump in J/kg and its efficiency is 85%