NM CID MS-6 Practice Questions - New Mexico CID MS-6 Lawn Sprinklers Examination Exam

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A zone carries 20 GPM in 1-1/4 in. Schedule 40 PVC (inside diameter 1.380 in.). Using V = 0.4085 × GPM / d², what is the velocity?
Correct Answer:
4.3 ft/s

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