For the system shown in Fig. 11.14, kerosene (sg = 0.82) at 20°C is to be forced from tank A to reservoir B by increasing the pressure in the sealed tank A above the kerosene. The total length of DN 50 Schedule 40 steel pipe is 38 m. The elbow is standard. Calculate the required pressure in tank A to cause a flow rate of 435 L/min.

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Reservoir B 4.5 m DN 50 Schedule 40 steel pipe Flow Pressure = ? Tank A Angle Swing-type valve check val ve