A tank 3.66m has its ends vertical, top and bottom horizontal, 1.82m high. The top and the bottom are rectangular, having widths of 2.44 and 1.52m respectively. A standard short tube 100mm in diameter is located in one end 305mm above the bottom. If at the beginning the tank is full of water, find the time necessary to lower the water surface 1.22m.C=0.97

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A: Given: Required to find:  the time necessary to lower the water surface to 1.22m

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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?