Question

Determine the cost of pumping 300,000 lit/hr of oil having sp. gr of 0.90 and viscosity 30 c.p through a pipeline, 25cm diameter and 50 km long. It may be assumed that the efficiency of pump together with motor is 50% and power costs 40 paisa/kwh. The pipe line is horizontal.

                           1 h.p = 0.736 kwh

                           f = 0.046/Re^0.20

Answer 1

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