Question: A 7 8 - percent - efficient pump with a power input of 2 5 hp is pumping water from a lake to a nearby

A 78-percent-efficient pump with a power input of 25 hp is pumping water from a lake to a nearby
pool at a rate of 1.75ft3s through a constant-diameter pipe. The free surface of the pool is 75 ft
above that of the lake. Determine the mechanical power used to overcome frictional effects in
piping.
A 7 8 - percent - efficient pump with a power

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