HVAC · Practice-Exam-2 · Problem 70PDFSolution in PDF ↓
HVAC · Practice-Exam-2 · Problem 70
Problem & Solution
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Topic: Compressor analysis — 20 pounds per minute of 50 degree air at atmospheric pressure enters an air compressor and exits at 350 degrees.
Method: What is the power required to drive the compressor?
Key values: 0.24 BTU per pound degree Fahrenheit times a change in temperature 350 minus 50, 1440 BTU per minute, 20 pounds per minute of 50 degree air at atmospheric pressure enters an air compressor and exits at 350 degrees
Reference: look up in the reference handbook compressor, there's a couple of d
✅ Answer: A
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