HVAC · Practice-Exam-2 · Problem 32PDFSolution in PDF ↓
HVAC · Practice-Exam-2 · Problem 32
Problem & Solution
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Problem: A refrigeration cycle provides 8 tons of cooling with a COP of 4.2.
Key step: You can say the refrigeration effect is eight tons, but now let's change eight refrigeration tons into BTU per hour, 12,000 BTU per hour per ton.
Watch out: And they don't necessarily include the dot.
Result: So now we're into Watts, and we're going to go one step farther, multiplying by one horsepower equals 745.7 Watts.
✅ Answer: A
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