Question

Water at 20°C flows up a vertical pipe of circular section and internal diameter of 2 inches and height of 12 metres at a volumetric flow rate of 6.7 litres per second. Estimate the change in pressure between the bottom and the top of the pipe if:

i. The inner walls of the pipe are assumed to be hydraulically smooth,

ii. The pipe is fabricated from cast iron and explain how you solved (ii) above.

Answer 1