Chemical Engineering Thermodynamics Which of the following is true for Virial equation of state? Virial co-efficients Virial co-efficients are universal constants For some gases, Virial equations and ideal gas equations are the same Virial co-efficients are function of temperature only Virial co-efficients Virial co-efficients are universal constants For some gases, Virial equations and ideal gas equations are the same Virial co-efficients are function of temperature only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of Temperature, pressure, liquid composition xi and vapour composition yi Temperature, pressure and liquid composition xi only Temperature only Temperature and pressure only Temperature, pressure, liquid composition xi and vapour composition yi Temperature, pressure and liquid composition xi only Temperature only Temperature and pressure only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy Change during a spontaneous process has a negative value All of these Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure Change during a spontaneous process has a negative value All of these Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Co-efficient of Performance (COP) of a refrigerator is the ratio of the Higher to lower temperature Lower to higher temperature Work required to refrigeration obtained Refrigeration obtained to the work required Higher to lower temperature Lower to higher temperature Work required to refrigeration obtained Refrigeration obtained to the work required ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The value of Joule-Thomson co-efficient, in case where cooling occurs after the throttling process is ∞ +ve -ve ∞ +ve -ve ANSWER DOWNLOAD EXAMIANS APP
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