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Q9. A horizontal pipe carrying fresh water tapers from 650 mm diameter at point 1 to 210 mm diameter at point 2, then to 321 mm at point 3.

The volumetric flowrate is 0.4 m³ Is. There is a head loss of 7 m between point 2 and point 3. 0 7 m between point 2

Calculate EACH of the following:

(a) The velocities at all points;

(b) Determine the pressure difference between point 1 and 2 and between point 2 and 3.