HVAC · Practice-Exam-1 · Problem 60
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HVAC · Practice-Exam-1 · Problem 60
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Problem: In a typical hydronic system permits the velocity of water to reach a maximum of 12 feet per second when required.
Key step: What is the smallest nominal schedule 40-steel pipe size that should be selected for a flow rate of 50GPN?
Watch out: So in a normal application we tend to see velocities of 4, 5, 6 feet per second, generally not too much more than that.
Result: That's going to equal 1.3 inches.
✅ Answer: B
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