Q4. A conical pipe has diameters at the two ends of 0.5 m and 1.5 m and is 15metres long. It is vertical and the frictional loss is 2.5 Q where Q is the flow of water in m^3/s. The velocity at smaller...

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Extracted text: Q4. A conical pipe has diameters at the two ends of 0.5 m and 1.5 m and is 15metres long. It is vertical and the frictional loss is 2.5 Q where Q is the flow of water in m^3/s. The velocity at smaller end is 10 m/s. If the smaller end is at the top and pressure head there is 2 meters of water. Find the pressure head at lower end when the flow is (i) downwards, (ii) upwards. *