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

Compared with 1 in. Schedule 40 PVC, 1 in. Class 200 (SDR 21) PVC of the same nominal size has:

The same inside diameter and the same friction No pressure rating and cannot be used on laterals A thicker wall, smaller inside diameter, and more friction at the same GPM A thinner wall, larger inside diameter, and less friction at the same GPM

Correct Answer:

A thinner wall, larger inside diameter, and less friction at the same GPM

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