Search
.Management Sciences
Category: Thermodynamics for Chemical
Which of the following is not an intensive property ?
A. Molar heat capacity
B. Internal energy
C. Viscosity
D. None of these
Gibbs free energy per mole for a pure substance is equal to the__________________?
A. Latent heat of vaporisation
B. Chemical potential
C. Molal boiling point
D. Heat capacity
A liquid under pressure greater than its vapour pressure for the temperature involved is called a _____________ liquid?
A. Sub-cooled
B. Saturated
C. Non-solidifiable
D. None of these
High _____________ is an undesirable property for a good refrigerant?
A. Specific heat
B. Latent heat of vaporisation
C. Viscosity
D. Specific vapor volume
In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respectively, the Carnot COP will be________________?
A. 5.2
B. 6.2
C. 0.168
D. Data insufficient, can’t be found out
The compressibility factor for an ideal gas is 1. Its value for any other real gas is_______________?
A. 1
B. 1
D. Either B. or C, depends on the nature of the gas
Fugacity is most helpful in____________________?
A. Representing actual behaviour of real gases
B. Representing actual behaviour of ideal gases
C. The study of chemical equilibria involving gases at atmospheric pressure
D. None of these
A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount”. This is_________________?
A. The distribution law
B. Followed from Margules equation
C. A corollary of Henry’s law
D. None of these
Pick out the wrong statement?
A. A refrigeration cycle violates the second law of thermodynamics
B. Refrigeration cycle is normally represented by a temperature vs. entropy plot
C. In a refrigerator, work required decreases as the temperature of the refrigerator and the
temperature at which heat is rejected increases
D. One ton of refrigeration is equivalent to the rate of heat absorption equal to 3.53 kW
Recent Comments