Repeat Problem 1, but replace the globe valve with a butterfly valve and use a 5-in Schedu...

Repeat Problem 1, but replace the globe valve with a butterfly valve and use a 5-in Schedule 40 steel pipe. Compare the results of Problems 1,2,3 with this problem.

Problem 1:

Figure depicts a pipe delivering water at l 5°C from a main line to a factory. The pressure at the main is 415 kPa. Compute the maximum allowable flow rate if the pressure at the factory must be no less than 200 kPa.

Figure:

Problem 2:

Repeat Problem 1, but replace the globe valve with a fully open butterfly valve.

Problem 3:

Repeat Problem, but use a 5-in Schedule 40 pipe.