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anonymous

  • one year ago

According to Carnot, what does the efficiency of a heat engine depend on? A. the input temperature only B. the exhaust temperature only C. the ratio of input temperature to exhaust temperature D. the ratio of exhaust temperature to input temperature ***not sure! thanks:)

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  1. Michele_Laino
    • one year ago
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    as I wrote before, the efficiency of a machine of Carnot, is: \[\Large \eta = 1 - \frac{{{T_2}}}{{{T_1}}}\] where T_1 is the temperature of the hot reservoir T_2 is the temperature of the cold reservoir

  2. anonymous
    • one year ago
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    ohh okay!! so it depends on exhaust energy, right? choice B?

  3. Michele_Laino
    • one year ago
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    no, since we have two temperatures

  4. anonymous
    • one year ago
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    ohh okay! sorry!! so it should be choice C?

  5. Michele_Laino
    • one year ago
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    hint: this quantity: \[\Large \frac{{{T_2}}}{{{T_1}}}\] is a ratio

  6. anonymous
    • one year ago
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    ohh oops!!! choice d? :O

  7. Michele_Laino
    • one year ago
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    yes! option D

  8. anonymous
    • one year ago
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    woo!! thanks:)

  9. Michele_Laino
    • one year ago
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    thanks!! :)

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