Consider a water pumping system as shown in the figure attached, which pumps wat

Question

Consider a water pumping system as shown in the figure attached, which pumps water at 20 C from a lake at a flow rate of Q = 400 gal mm. Estimate the friction factor and subsequently the major loss of the pipe line if the pipe is commercial steel. Estimate the minor losses at the pipe entrance (rounded, r/D = 0.06) and the cow (r/D = 5) between the lake and the pump as shown in the figure and subsequently the total minor losses. Calculate the mechanical power added to the water by the pump if the pressure at the pump outlet is 250 psig. If the pump efficiency is 72%, find the power input to the pump.

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