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Question

The value of vg - vf at the critical point is  

The correct answer is

zero

At the critical point, saturated liquid and saturated vapour have the same specific volume: \(v_f=v_g=v_c\). Consequently \(v_g-v_f=0\).

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Important Questions from Thermodynamic Properties of Steam & Steam Tables

  1. Vaporization refers to the change in state of matter from

  2. The properties of water are arranged in the steam tables as a functions of
  3. Fill in the blank with the appropriate word(s) from the options.

    In a steam table, the data always refers to the properties of steam at its _________.

  4. The critical point of water is

  5. The amount of water evaporated from and at 100 °C into dry saturated steam at atmospheric pressure is called

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