Clear work please, thanks! A tap for dispensing drinking water is to be connecte

Question

Clear work please, thanks!

A tap for dispensing drinking water is to be connected to a water main by a 70-foot long cast iron schedule 40 pipe (assume schedule 40 dimensions are the same for cast iron and commercial steel.) The water in the main is at 70 degree F and 60 psig. The entrance to the pipe is sharp-edged, and the piping system includes three 90 degree miter bends without vanes, a fully-open gate valve, and a fully-open angle valve. The system is to be designed to dispense 15 gal/min. Determine the minimum standard pipe size. Neglect changes in elevation.

Explanation / Answer

a) 17.3

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