Amrutha t Asked a Question
July 11, 2020 1:46 pmpts 30 pts
YAn engine of efficiency n operates between twO reservoirs at temperature T, and T, with T,> T, doing an amount of work W in one cvcle. All of this work 1s used to drive an ideal Carnot engine in reverse (as a refrigerator) between the two reservoirs. The total heat extracted from the hot reservoir in one combined cycle of the two engines is Ty- (a) 0 ve (b) W7+
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  • Amrutha t
    yes mam
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  • Ruby negi thankyou
    extracted heat from hot reservoir is heat given to sink after doing work so here Q1 +Q1' is the heat extracted from hot reservoir... W is the work done by Carnot and this W work d...
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    Amrutha t
    mam thank u
  • Ruby negi
    solution.. option d is correct..
    • cropped606043698.jpg
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    Ruby negi
    is this okay to u?