Answer to Question #86517 in Physics for Ooo

Question

Q1. An oil of specific gravity 0.8 is flowing upwards through a vertical pipe line, which tapers from 400 mm to 200 mm diameter. A mercury manometer is connected to the pipe line to measure the flow as shown in the figure below. The distance between the manometer is 1 m and the reading is 250 mm. By neglecting the losses between the tappings, determine
(I)the pressure between the two taped points,
and
(II)the flow rate of the pipeline.

Q2.The actual velocity in the contracted section of a jet of liquid flowing from a 50 mm orifice is 8.5 m/s under a head of 4.5 m. Determine
(i) the coefficient of velocity; and
(ii) the coefficients of contraction and discharge if the actual discharge is
11 L/s

Answer 1

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