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  1. 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is
  2. Out of the following refrigeration cycles, which one has maximum COP?
  3. Which is an example of closed system?
  4. Claude gas liquefaction process employs cooling
  5. The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in…
  6. The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called…
  7. y = specific heat ratio of an ideal gas is equal to
  8. Fugacity and pressure are numerically equal, when the gas is
  9. Entropy of an ideal gas depends upon its
  10. Sublimation temperature of dry ice (solid CO2) is __________ °C.
  11. For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the __________…
  12. (∂H/∂T)P is the mathematical expression for
  13. Which of the following decreases with increase in pressure?
  14. Entropy of a substance remains constant during a/an __________ change.
  15. Compound having large heat of formation is
  16. The value of gas constant 'R' is
  17. If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are…
  18. The shape of T-S diagram for Carnot Cycle is a
  19. The first law of thermodynamics is a restatement of the law of conservation of
  20. Isentropic process means a constant __________ process.
  21. In the reaction, H2 +I2 2HI, addition of an inert gas will
  22. Pick out the wrong statement.
  23. Out of the following refrigeration cycles, which one has the minimum COP (Co-efficient of performance)?
  24. For a reversible process involving only pressure-volume work
  25. The equilibrium constant for a chemical reaction at two different temperatures is given by
  26. The expression, ΔG = nRT. ln(P2/P1), gives the free energy change
  27. The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT)…
  28. The compressibility factor for an ideal gas is 1. Its value for any other real gas is
  29. Absorption/evolution of heat during conversion of a substance from one allotropic form to another is…
  30. Mollier diagram is a plot of