11th Class Physics Thermodynamical Processes

  • question_answer 7)
                    A steam engine delivers  J of work per minute and absorbs J of heat per minute from its boiler. What is the efficiency of the engine ? How much heat is wasted per minute ?        

    Answer:

    Output, i.e., useful work done per min.                 Input, i.e., heat absorbed per min Efficiency Heat energy wasted/minute = Heat absorbed/minute - useful work done/minute  


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