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What happens in a reversible adiabatic expansion process?

A. Heating takes place

B. Cooling takes place

C. Pressure is constant

D. Temperature is constant

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

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  1. Lenz's law results from the law of conservation of
  2. The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in…
  3. Heat requirement for decomposition of a compound into its elements is __________ that is evolved during…
  4. Boiling of liquid is accompanied with increase in the
  5. Pick out the wrong statement.
  6. Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes.
  7. Chemical potential of ith component of a system is given by
  8. Gibbs-Duhem equation
  9. Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed…
  10. The expression, nRT ln(P1/P2), is for the __________of an ideal gas.
  11. The expression for the work done for a reversible polytropic process can be used to obtain the expression…
  12. Change of state namely evaporation condensation, freezing and melting is an __________ process.
  13. In a homogeneous solution, the activity coefficient of a component depends upon the
  14. Number of phases in a colloidal system is:
  15. For an irreversible process involving only pressure-volume work
  16. The internal energy of an incompressible fluid depends upon its
  17. Chemical potential is a/an
  18. The unit of fugacity is the same as that of the
  19. Pick out the correct statement.
  20. Which of the following has the least thermal efficiency?
  21. Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called…
  22. Which of the following is not an intensive property?
  23. If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change…
  24. Variation of equilibrium pressure with temperature for any two phases of a given substances is given…
  25. dW and dq are not the exact differential, because q and W are
  26. Heating of water under atmospheric pressure is an __________ process.
  27. Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole.…
  28. Ideal refrigeration cycle is
  29. Chemical potential (an intensive property) of a substance is a force that drives the chemical system…
  30. Isobaric process means a constant process.