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The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy.

A. Less than

B. Equal to

C. More than

D. Either (B) or (C); depends on the type of alloy

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  2. After throttling, gas temperature
  3. Pick out the wrong statement.
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  5. Compressibility factor of a gas is
  6. The absolute entropy for all crystalline substances at absolute zero temperature is
  7. A refrigerator works on the principle of __________ law of thermodynamics.
  8. COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about
  9. At equilibrium condition, the chemical potential of a material in different phases in contact with each…
  10. The following heat engine produces power of 100,000 kW. The heat engine operates between 800 K and 300…
  11. Keeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the…
  12. The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________…
  13. A solid is transformed into vapour without going to the liquid phase at
  14. Joule-Thomson effect i.e., a throttling process is a constant __________ process.
  15. Work done is a
  16. If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are…
  17. Heating of water under atmospheric pressure is an __________ process.
  18. Domestic refrigerator usually works on the __________ refrigeration cycle.
  19. Which is an example of closed system?
  20. One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one
  21. Compressibility factor for almost all the gases are approximately same at the same
  22. It is desired to bring about a certain change in the state of a system by performing work on the system…
  23. In an irreversible process
  24. Pick out the correct equation relating 'F' and 'A'.
  25. Which of the following units is not present in both the vapor compression refrigeration system and absorption…
  26. Clausius-Clapeyron Equation gives accurate result, when the
  27. Which of the following identities can be most easily used to verify steam table data for superheated…
  28. Which is not a refrigerant?
  29. Isentropic process means a constant __________ process.
  30. Throttling (Joule-Thomson effect) process is a constant __________ process.