Two reservoirs whose surface levels differ by 30 meters are connected by a pipe 600mm diameter and 3000m long. The pipe line crosses a ridge whose summit is 9m above the level of and 300m distant from the higher reservoir. Find the minimum depth below the ridge at which the pipe must be laid if the absolute pressure head in the pipe is not to fall below 2.5m of water, and calculate the discharge. Take atmospheric pressure head = 10.3m of water and f= 0.0075

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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?