- (A) Fugacity
- (B) Activity co-efficient
- (C) Free energy
- (D) None of these
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- (A) Doubling the absolute temperature as well as pressure of the gas
- (B) Reducing pressure to one fourth at constant temperature
- (C) Reducing temperature to one fourth at constant pressure
- (D) Reducing the temperature to half and doubling the pressure
- (A) Pressure and temperature
- (B) Reduced pressure and reduced temperature
- (C) Critical pressure and critical temperature
- (D) None of these
- (A) Δ H = 0 and ΔS = 0
- (B) Δ H ≠ 0 and ΔS = 0
- (C) Δ H ≠ 0 and ΔS ≠ 0
- (D) Δ H = 0 and ΔS ≠ 0
- (A) Superheated
- (B) Desuperheated
- (C) Non-condensable
- (D) None of these
- (A) Momentum
- (B) Mass
- (C) Energy
- (D) None of these
- (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 these
- (A) (∂T/∂V)S = (∂p/∂S)V
- (B) (∂T/∂P)S = (∂V/∂S)P
- (C) (∂P/∂T)V = (∂S/∂V)T
- (D) (∂V/∂T)P = -(∂S/∂P)T
- (A) Enhanced COP
- (B) Decreased COP
- (C) No change in the value of COP
- (D) Increased or decreased COP; depending upon the type of refrigerant
- (A) Third law of thermodynamics
- (B) Second law of thermodynamics
- (C) Nernst heat theorem
- (D) Maxwell’s relations
