(P6.9)-A pipeline carrying oil of specific gravity 0.87, changes in diameter from 200mm diameter at a position A to 500mm diameter at a position B which is 4 meters at a higher level. if the pressures at A and B are 9.81 N/cm^2 and 5.886 N/cm^2 respectively and the discharge is 200 litters/s. Determine the loss head and direction of flow.
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