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Claude gas liquefaction process employs cooling

A. At constant pressure

B. By throttling

C. By expansion in an engine

D. None of these

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

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  1. The heat capacities for the ideal gas state depend upon the
  2. For a single component two phase mixture, the number of independent variable properties are
  3. When a system is in equilibrium for all possible processes, the differential or finite change of entropy…
  4. For a given substance at a specified temperature, activity is __________ to fugacity.
  5. Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?
  6. As the time is passing, entropy of the universe
  7. Which of the following units is not present in both the vapor compression refrigeration system and absorption…
  8. For equilibrium process (i.e. reversible) in an isolated system
  9. At absolute zero temperature, the __________ of the gas is zero.
  10. The partial pressure of each constituent present in an alloy is __________ the total vapor pressure…
  11. If heat contents of CH4, C2H4 and C3H8 are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH…
  12. Which is not a refrigerant?
  13. The equation relating E, P, V and T which is true for all substances under all conditions is given by…
  14. For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the __________…
  15. Which of the following is affected by the temperature?
  16. The equation, Cp - Cv = R, is true for __________ gas.
  17. __________ functions are exemplified by heat and work.
  18. An ideal gas is taken around the cycle ABCA as shown in P-V diagram below: The work done by the gas…
  19. The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing…
  20. Which of the following is a thermodynamic property of a system?
  21. Change of heat content when one mole of compound is burnt in oxygen at constant pressure is called the
  22. In a reversible process
  23. For a multi-component system, the term chemical potential is equivalent to the
  24. Pick out the Clausius-Clapeyron equation from the following:
  25. If different processes are used to bring about the same chemical reaction, the enthalpy change is same…
  26. The amount of heat required to decompose a compound into its elements is __________ the heat of formation…
  27. Pick out the wrong statement
  28. Which of the following identities can be most easily used to verify steam table data for superheated…
  29. Pick out the wrong statement.
  30. In any spontaneous process, the __________ free energy decreases.