Physics · Thermodynamics
A reversible engine has an ideal thermal efficiency of 25%. When it is operated in reverse as a refrigerating machine with all other conditions remaining unchanged, its coefficient of performance (COP) will be:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.25
- 24.0
- 34.33
- 43.0✓
Correct answer
3.0
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