4-20. This is a complicated problem involving a mechanical energy balance. For part a the
velocity can be determined and the solution is direct. However, part b is trial and error
since the velocity is not known.
The geometry for this problem is shown below:
For the crude oil:
The final height of oil in the destination vessel, if all oil transferred, is:
a. The required pipe velocity to move all the oil in 1 hour is: