Category: Thermodynamics for Chemical

A. Minimum number of degree of freedom of a system is zero
B. Degree of freedom of a system containing a gaseous mixture of helium, carbon dioxide and
hydrogen is 4
C. For a two phase system in equilibrium made up of four non-reacting chemical species, the
number of degrees of freedom is 4
D. Enthalpy and internal energy change is zero during phase change processes like melting,
vaporisation and sublimation

A. Superheated
B. Desuperheated
C. Non-condensable
D. None of these

A. Zero
B. Positive
C. Negative
D. Indeterminate

A. Temperature
B. Mass
C. Volume
D. Pressure

A. Low pressure & high temperature
B. High pressure & low temperature
C. Low pressure & low temperature
D. None of these

A. Chemical potentials of a given component should be equal in all phases
B. Chemical potentials of all components should be same in a particular phase
C. Sum of the chemical potentials of any given component in all the phases should be the same
D. None of these

A. Zero
B. One
C. Infinity
D. Negative

A. Reverse Carnot cycle
B. Ordinary vapour-compression cycle
C. Vapour-compression process with a reversible expansion engine
D. Air refrigeration cycle

A. -94 kcal
B. > -94 kcal
C. < – 94 kcal
D. Zero

A. Air cycle
B. Carnot cycle
C. Ordinary vapor compression cycle
D. Vapor compression with a reversible expansion engine