(P6.19)-A 30 cm x 15 cm venturimeter is provided in a vertical pipe line carrying oil of specific gravity 0.9, the flow being upwards. the difference in elevation of the throat section and entrance section of the venturimeter is 30 cm. the differential U-tube mercury manometer shows a gauge deflection of 25 cm calculate:
(i) the discharge of oil
(ii) the pressure difference between the entrance section and throat section. Take the co-efficient of discharge as 0.98 and specific gravity of mercury as 13.6.
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