Shweta thakur Asked a Question
June 4, 2020 8:54 pmpts 30 pts
why adiabetic is occur at constant volume only plz tell...
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  • Suman Kumar
    Sweta don't be confused with linga Reddy. Entropy do remain constant but not volume. See these two formula.
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    Suman Kumar
    For reversible Adibatic expansion increase in entropy due to volume is compensated by decrease in temperature hence entropy remain constant.
  • Suman Kumar
    The adiabatic process i.e. the entropy of a system remains constant. In other words, a reversible adiabatic process is an isentropic process at the same time. In this irreversible...
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  • Suman Kumar
    Every thing will be zero if volume is constant. See the formula
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  • Dinesh khalmaniya Best Answer
    check it
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  • Suman Kumar
    Sweta so Adibatic process cannot occur with constant volume.
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  • Suman Kumar thankyou
    Never adiabatic can't occur at constant volume. Remember in reversible adiabatic problem PV gamma = constant. For adiabatic process du = dw du = Cvdt There will be change in the ...
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  • Lingareddy
    Now, since the process is adiabatic, so the heat transfer is zero and so the entropy change is zero through heat transfer. And if the process is also reversible, then there is no ...
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  • Lingareddy
    Entropy remains constant in an adiabatic process which is also reversible. For the sake of simplicity consider the case of closed system, i.e. a control mass, which does not excha...
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  • Lingareddy
    adiabatic process is a thermodynamic process during which no energy is transferred as heat across the boundaries of the system. As there is no exchange of heat with surroundings, s...
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  • Lingareddy thankyou
    dq=Tds . entropy depending upon volume. if dq constant means entropy constant so volume also constant
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    Suman Kumar
    Linga Reddy volume do change in adiabatic process.