HVAC · Practice-Exam-1 · Problem 66
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HVAC · Practice-Exam-1 · Problem 66
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Problem: Water flows at 4 feet per second through a 200 foot pipe with inside diameter of 1.45 inches.
Approach: So we talk a lot about head loss and we use the Darcy equation for that.
Key step: The moody friction factor is 0.028.
Watch out: It's a common mistake to accidentally forget the square that.
Result: That's 4.98 PSI which is closest to answer choice B.
✅ Answer: B
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