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Railways NTPC (Technical Ability) Thermodynamics Question Bank Thermodynamics

  • question_answer
    If a gas obeys van-der Waals' equation at the critical point, then \[\frac{R\,{{T}_{c}}}{{{p}_{c}}\,{{v}_{c}}}\] is equal to which one of the following?

    A) 0                                 

    B) 1

    C) 1.5                               

    D) 2.67                

    Correct Answer: D

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