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  1. Entropy is a/an
  2. A large iceberg melts at the base, but not at the top, because of the reason that
  3. One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought…
  4. At __________ point, all the three phases (i.e. solid, liquid and gas) co-exist.
  5. Which of the following is not affected by temperature changes?
  6. Gibbs free energy at constant pressure and temperature under equilibrium conditions is
  7. Which of the following has the minimum value of COP for a given refrigeration effect?
  8. Which of the following identities can be most easily used to verify steam table data for superheated…
  9. The work done in isothermal compression compared to that in adiabatic compression will be
  10. In a reversible process
  11. On opening the door of an operating refrigerator kept in a closed room, the temperature of the room…
  12. Extensive properties of a thermodynamic system depend upon the __________ of the system.
  13. The value of Cp & Cv respectively for monatomic gases in Kcal/kg Mole.°K are
  14. A gas shows deviation from ideal behaviour at
  15. Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature…
  16. During adiabatic expansion of gas
  17. At triple point (for one component system), vapour pressure of solid as compared to that of liquid will…
  18. The heat capacities for the ideal gas state depend upon the
  19. For an ideal gas, the activity co-efficient is
  20. For equilibrium process (i.e. reversible) in an isolated system
  21. In which of the following reaction equilibrium, the value of equilibrium constant Kp will be more than…
  22. A change in state involving a decrease in entropy can be spontaneous, only if
  23. Fugacity and pressure are numerically not equal for the gases
  24. The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in
  25. Claude gas liquefaction process employs cooling
  26. Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature.
  27. In any spontaneous process,
  28. Joule-Thomson Co-efficient at any point on the inversion curve is
  29. Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates
  30. The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________…