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A 50 mm diameter tube has a length of 35 m and inclined upward with 15...

A 50 mm diameter tube has a length of 35 m and inclined upward with 15 degree with the horizontal (Figure). The discharge is 5.5 L/s and the outlet pressure required to be 75 kPa gage pressure. Estimate the inlet gage pressure in kPa of this tube if the coefficient of friction (f) in the losses equation   is 0.03.

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Inlet pressure = 246.155 kPa

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