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  1. Which of the following is a thermodynamic property of a system?
  2. The thermodynamic law, PVy = constant, is not applicable in case of
  3. The internal energy of an ideal gas is a function of its __________ only.
  4. Sublimation temperature of dry ice (solid CO2) is __________ °C.
  5. Joule-Thomson co-efficient for a perfect gas is
  6. (∂E/∂T)V is the mathematical expression for
  7. In case of steady flow compression polytropic process (PVn = constant), the work done on air is the…
  8. Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system…
  9. In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1…
  10. A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor.
  11. A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The…
  12. The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300…
  13. The specific heat of saturated water vapour at 100°C is
  14. Which is an example of closed system?
  15. Pick out the correct statement.
  16. If we increase the pressure on a substance (which is at its triple point), then the triple point
  17. Gibbs phase rule finds application, when heat transfer occurs by
  18. Gibbs-Helmholtz equation is
  19. For an irreversible process involving only pressure-volume work
  20. A liquid under pressure greater than its vapour pressure for the temperature involved is called a __________…
  21. Domestic refrigerator usually works on the __________ refrigeration cycle.
  22. Isotherm on an enthalpy-concentration diagram, for an ideal solution will be a
  23. Isentropic process means a constant __________ process.
  24. In the ammonia synthesis reaction, N2 + 3H2 2NH3 + 22.4 kcal, the formation of NH3 will be favoured…
  25. The second law of thermodynamics states that
  26. For a constant volume process __________ by the system is used only to increase the internal energy.
  27. A change in state involving a decrease in entropy can be spontaneous, only if
  28. Heat requirement for decomposition of a compound into its elements is __________ that is evolved during…
  29. In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the…
  30. Cv is given by