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The thermodynamic law, PVy = constant, is not applicable in case of

A. Ideal compression of air

B. Free expansion of an ideal gas

C. Adiabatic expansion of steam in a turbine

D. Adiabatic compression of a perfect gas

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Activity co-efficient is a measure of the
  2. The extensive properties are
  3. If we increase the pressure on a substance (which is at its triple point), then the triple point
  4. Pick out the wrong statement.
  5. Clausius-Clapeyron equation is applicable to __________ equilibrium processes.
  6. Pick out the correct statement.
  7. For an ideal solution, the value of activity co-efficient is
  8. Pick out the extensive property out of the following.
  9. Pick out the wrong statement.
  10. On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal…
  11. The unit of equilibrium constant of a chemical reaction is the same as that of
  12. The activity of an ideal gas is numerically __________ its pressure.
  13. (1/V) (∂V/∂T)P is the mathematical expression
  14. The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300…
  15. With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure
  16. In an ideal solution, the activity of a component equals its
  17. Entropy change of mixing two liquid substances depends upon the
  18. A solid is transformed into vapour without going to the liquid phase at
  19. To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 - 1/T2) from…
  20. Those solutions in which there is no volume change upon mixing the components in the liquid state and…
  21. Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas…
  22. All gases during throttling process at atmospheric temperature and pressure show a cooling effect except
  23. The equation relating E, P, V and T which is true for all substances under all conditions is given by…
  24. The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 >…
  25. For a spontaneous process, free energy
  26. In the ammonia synthesis reaction, N2 + 3H2 2NH3 + 22.4 kcal, the formation of NH3 will be favoured…
  27. The co-efficient of performance (COP) of a refrigerating system, which is its index of performance,…
  28. Refrigerants commonly used for domestic refrigerators are
  29. When pressure is applied on the system, ice ↔ water, then
  30. The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio…