Question:
An ideal refrigerator has a freezer at a temperature of 130C. The coefficient of performance of the engine is
5. The temperature of the air (to which heat is rejected) is
An ideal refrigerator has a freezer at a temperature of 130C. The coefficient of performance of the engine is
5. The temperature of the air (to which heat is rejected) is
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Always convert temperatures to Kelvin before using thermodynamic formulas.
Updated On: Mar 18, 2026
- 320C
- 39C
- 325K
- 325C
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The Correct Option is B
Solution and Explanation
Step 1: COP of refrigerator: COP=(TL)/(TH-TL)
Step 2: TL=130+273=403K, COP = 5
Step 3: 5=(403)/(TH-403) TH=442K=39C
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