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SNIIX18

  • one year ago

A heat engine has a hot reservoir of 490°C and a cold reservoir of 210°C. What is the efficiency of the engine? A. 62.3% B. 52.6% C. 57.1% D. 48.2%

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  1. koushik_ksv
    • one year ago
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    I can give you the maximum possible efficiency of the engine.

  2. SNIIX18
    • one year ago
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    What is it lol :)

  3. koushik_ksv
    • one year ago
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    Considering a carnot's cycle, \[\eta = 1- T _{2}/T _{1} \] where n - efficiency T(2)- temperature of cold reservoir T(1)- of hot reservoir

  4. koushik_ksv
    • one year ago
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    If you put values, you get close to C.

  5. SNIIX18
    • one year ago
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    yes lol thats what i got :) thank you do you think you can help me with my physics test ?

  6. koushik_ksv
    • one year ago
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    Yeah, I will try my best.

  7. SNIIX18
    • one year ago
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    okay hold up ill show you the rest of the questions

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