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Out of the following refrigeration cycles, which one has maximum COP?

A. Air cycle

B. Carnot cycle

C. Ordinary vapor compression cycle

D. Vapor compression with a reversible expansion engine

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  4. The most important application of distribution law is in
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  7. Heat of formation of an element in its standard state is
  8. The internal energy of an ideal gas is a function of its __________ only.
  9. Free energy
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  11. In the ammonia synthesis reaction, N2 + 3H2 2NH3 + 22.4 kcal, the formation of NH3 will be favoured…
  12. Joule-Thomson effect i.e., a throttling process is a constant __________ process.
  13. At triple point (for one component system), vapour pressure of solid as compared to that of liquid will…
  14. For spontaneous changes in an isolated system (S = entropy)
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  16. Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called…
  17. In the decomposition of PCl5 represented by, PCl5 PCl3 + Cl2, decrease in the pressure of the system…
  18. Equilibrium constant decreases as the temperature
  19. A system in which there is exchange of energy but not of mass, is called a/an __________ system.
  20. On a P-V diagram of an ideal gas, suppose a reversible adiabatic line intersects a reversible isothermal…
  21. Pick out the Clausius-Clapeyron equation from the following:
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