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The temperature of food material in refrigerator is 4ºC and temperature of environment is 15ºC. If carnot cycle is used in its working gas, then find its carnot efficiency. (1) 0.038 (2) 0.028 (3) 0.053 (4) 0.072 |
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Answer» Correct option (1) 0.038 Explanation: η = 1 - T2/T1 = 1 - (273 + 4)/(273 + 15) = 0.038 |
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