Vanshika posted an Question
June 06, 2021 • 07:26 am 10 points
  • IIT JAM
  • Physics (PH)

A steam engine takes 50g ofsteam at 100°c per minute and cools it down to 20°c. the heat rejected by the steam engine per minute is about?

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  • Sapna Best Answer

    Answer is C.

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    since latent heat of vaporization of steam is +540 ... shouldn't latent heat of condensation of water be -540 cal/g?

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    Vanishka in Thermodynamics Negative and positive are for heat rejected or absorbed. And I didn't use any sign convention here. We are here just find the magnitude

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    ok got it. ..thank you

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