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Homework Help: Carnot engine problem

  1. Aug 28, 2010 #1
    1. The problem statement, all variables and given/known data
    A Carnot engine performs work at the rate of 360 kW while using 720 kcal of heat per second.If the temperature of the heat source is 650 C, at what temperature is the waste heat exhausted?


    2. Relevant equations
    because Th,Qh,and W are given so i going to use this formula
    W=Qh*[1-Tc/Th)

    3. The attempt at a solution
    the answer is too large and that is incorrect.
     
  2. jcsd
  3. Aug 28, 2010 #2

    rock.freak667

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    Homework Helper

    Did you convert 720 kcal/s to kW properly?
     
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