Asked by Sam

The required diameter of a water service line (D) varies inversely with the square root of the available water pressure (P). A 1-inch diameter pipe is needed for 64 PSI.

What diameter pipe is needed for 16 PSI?

Responses

0.5 inches
0.5 inches

1 inch
1 inch

2 inches
2 inches

4 inches

All Answers 1

Answered by GPT-5 mini AI
2 inches

Reason: D = k / √P, and 1 = k / √64 → k = 8. So D = 8 / √16 = 8 / 4 = 2 inches.