The equation, Cp – Cv = R, is true for _______________ gas?
The equation, Cp – Cv = R, is true for _______________ gas?
A. No
B. Any real
C. Only ideal
D. Both B. and C.
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Refrigerants commonly used for domestic refrigerators are_________________?
Refrigerants commonly used for domestic refrigerators are_________________?A. Ethyl chloride or methyl chloride
B. Freon-12
C. Propane
D. NH3 or CO2The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?
The equation DU = Tds – PdV is applicable to infinitesimal changes occuring in_________________?A. An open system of constant composition
B. A closed system of constant composition
C. An open system with changes in composition
D. A closed system with changes in compositionRotary lime kiln is an example of a/an _____________ system?
Rotary lime kiln is an example of a/an _____________ system?A. Closed
B. Open
C. Isolated
D. Non-thermodynamicTrouton’s ratio of ______________ liquids is calculated using Kistyakowsky equation?
Trouton’s ratio of ______________ liquids is calculated using Kistyakowsky equation?A. Polar
B. Non-polar
C. Both A. & B
D. Neither A. nor BThe third law of thermodynamics states that the__________________?
The third law of thermodynamics states that the__________________?A. Heat capacity of a crystalline solid is zero at absolute zero temperature
B. Heat transfer from low temperature to high temperature source is not possible without external
work
C. Gases having same reduced properties behaves similarly
D. None of theseEntropy change for an irreversible process taking system and surrounding together is___________________?
Entropy change for an irreversible process taking system and surrounding together is___________________?A. 0
B. > 0
C. < 0
D. None of these