Enthalpy of a substance is defined as

Heat Engines Mcqs
BILAL KHATTAK0

A.The sum of internal energy and the work done in forcing unit mass of substance into an enclosure at the constant pressure at which the substance exists
B.Sum of sensible heat + latent heat of substance
C.Total heat content of substance above zero degree centigrade
D.Sensible heat of water + work done in forcing unit mass of substance into an enclosure at constant pressure at which the substance exists
E.None of the above

Related Mcqs:

  1. The heat energy released when water vapour changes to a liquid is called __________.
  2. Which of the following relations is not valid during throttling process?
  3. Specific heat is
  4. In case of completely dry air
  5. An isolated system
  6. Heat is energy in the process of being transferred from __________?
  7. A system
  8. Latent heat is
  9. An open system
  10. In a closed system, the change in enthalpy will be equal to the heat transferred when a reversible process takes place at constant

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