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  1. The second law of thermodynamics states that
  2. The expression, ΔG = nRT. ln(P2/P1), gives the free energy change
  3. Requisites of a reversible process is that the
  4. Pick out the correct statement.
  5. Solubility of a substance which dissolves with an increase in volume and liberation of heat will be…
  6. In the equation, PVn = constant, if the value of n = 1, then it represents a reversible __________ process.
  7. Standard temperature and pressure (S.T.P.) is
  8. Entropy change of the reaction, H2O (liquid) → H2O (gas), is termed as the enthalpy of
  9. Mollier diagram is a plot of
  10. __________ law of thermodynamics ascertains the direction of a particular spontaneous process.
  11. The equation relating E, P, V and T which is true for all substances under all conditions is given by…
  12. Critical compressibility factor for all substances
  13. Entropy change for an irreversible isolated system is
  14. In an ideal refrigeration cycle, the change in internal energy of the fluid is
  15. Heat is added at constant pressure in an ideal __________ cycle.
  16. In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures…
  17. Which of the following is an extensive property of a system?
  18. The work done in isothermal compression compared to that in adiabatic compression will be
  19. __________ decreases during adiabatic throttling of a perfect gas.
  20. Specific/molar Gibbs free energy for a pure substance does not change during
  21. The Joule-Thomson co-efficient is defined as (∂T/∂P)H. Its value at the inversion point…
  22. Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid…
  23. Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming…
  24. Joule-Thomson co-efficient depends on the
  25. Pick out the wrong statement
  26. The amount of heat required to decompose a compound into its elements is __________ the heat of formation…
  27. High __________ is an undesirable property for a good refrigerant.
  28. Which is a state function?
  29. Enthalpy of a gas depends upon its
  30. Pick out the wrong statement.