HVAC · Practice-Exam-2 · Problem 47
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HVAC · Practice-Exam-2 · Problem 47
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Problem: Waste water flows to a common drain from three upstream sources.
Key step: The velocity h upstream pipe is 3 feet per second.
Watch out: If the main drain downstream is sized such that the velocity is not to exceed 2 feet per second, what is the minimum diameter?
Result: That gives us a diameter of 4 of 0.38 but what are the units?
✅ Answer: B
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