Chemical Engineering Thermodynamics The necessary condition for phase equilibrium in a multiphase system of N components is that the None of these Chemical potentials of all components should be same in a particular phase Chemical potentials of a given component should be equal in all phases Sum of the chemical potentials of any given component in all the phases should be the same None of these Chemical potentials of all components should be same in a particular phase Chemical potentials of a given component should be equal in all phases Sum of the chemical potentials of any given component in all the phases should be the same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the value of Joule-Thomson co-efficient for an ideal gas? ∞ +ve -ve ∞ +ve -ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of a close thermodynamic system, there is __________ across the boundaries. Mass and energy transfer None of these No heat and mass transfer No mass transfer but heat transfer Mass and energy transfer None of these No heat and mass transfer No mass transfer but heat transfer ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Cooling Both B and C Simultaneous pressure & temperature change Heating Cooling Both B and C Simultaneous pressure & temperature change Heating ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the value of ln y (where y = activity co-efficient) for ideal gases? Unity Negative Zero Infinity Unity Negative Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be Data insufficient, can't be found out 6.2 0.168 5.2 Data insufficient, can't be found out 6.2 0.168 5.2 ANSWER DOWNLOAD EXAMIANS APP
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