Thermodynamics Multiple Choice Questions and Answers


16. Superheated vapour behaves.......


   A.Exactly as gas

   B.As steam

   C.As ordinary vapour

   D.Approximatly as a gas


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D.Approximatly as a gas

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17. According to kinetic theory of gases,the absolute zero teperature is attained when........


   A.Volume of gas is zero

   B.Pressure of the gas is zero

   C.Kinetic energy of the molecules is zero

   D.Specific heat of gas is zero


✔ View Answer


C.Kinetic energy of the molecules is zero

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18. The unit of pressure in S.I. unit is........


   A.Kg/cm2

   B.mm of water column

   C.Pascal

   D.Bars


✔ View Answer


C.Pascal

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19. The pressure of a gas in terms of its mean kinetic energy per unit volume E is equal to........


   A.E/3

   B.E/2

   C.3E/4

   D.2E/3


✔ View Answer


D.2E/3

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20. No liquid can exist as liquid at........


   A.-2730 K

   A.Vacuum

   C.Zero pressure

   D.Center of earth


✔ View Answer


D.Center of earth

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