a venturi meter having a diameter of 6 in, at the throat is installed in a horizontal 18-in. water main. in a differential gage partly filled with mercury (the remainder of the tube being filled with water) and connected with the meter at the inlet and throat, the mercury column stands 15 in. higher in one leg than the other. what is the discharge through the meter in cubic feet per second:  (a.) neglecting friction;  (b.) if the loss head between inlet and throat is  1 ft of water? Compute the meter coefficient in (b).

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A:

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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?