Shweta thakur Asked a Question
September 19, 2020 8:40 pmpts 30 pts
plz e mic efficiencies to be expected : (a) when an engine is allowed to operate between temperatures of 1000 K and 300 K
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  • Priyanshu kumar thankyou
    Hope it helps😊
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    Shweta thakur
    in 36 280 is a sink temperature n?
    • cropped6932806216381966585.jpg
  • Priyanshu kumar Best Answer
    see this
    • cropped1931781758284546175.jpg
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    Priyanshu kumar
    60% heat is rejected in which 50% used by second carnot engine ...so overall only 30% heat is rejected....means efficiency =70%
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