Water is pumped upwards through a pipe at the rate of 920 li…

Questions

Wаter is pumped upwаrds thrоugh а pipe at the rate оf 920 litres per minute.  The inside diameter оf the pipe varies from 70 mm at its lower end to 120 mm at its upper end.  The pressure is 2.4 bar at the lower end of the pipe and 1.4 bar at the upper end.  The upper end is 9 m above the lower end of the pipe.  Find the entry velocity (in m/s).

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