A 2.5 inch fire hose discharges a 1.25 inch jet. If the head lost in the nozzle is 6 ft, what gage pressure must be maintained at the base of the nozzle to throw a stream to a vertical height of 100 ft, neglecting air resistance? 100 ft Datum Plane

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Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?