Chemical Engineering Thermodynamics Out of the following refrigeration cycles, which one has maximum COP? Vapor compression with a reversible expansion engine Air cycle Carnot cycle Ordinary vapor compression cycle Vapor compression with a reversible expansion engine Air cycle Carnot cycle Ordinary vapor compression cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The necessary and sufficient condition for equilibrium between two phases is The chemical potential of each component should be same in the two phases The pressure should be same in the two phases The temperature of each phase should be same The concentration of each component should be same in the two phases The chemical potential of each component should be same in the two phases The pressure should be same in the two phases The temperature of each phase should be same The concentration of each component should be same in the two phases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change of mixing two liquid substances depends upon the Both A and B Molar concentration Quantity (i.e. number of moles) Neither A nor B Both A and B Molar concentration Quantity (i.e. number of moles) Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Van Laar equation deals with the activity co-efficients in Azeotropic mixture only Ternary solutions None of these Binary solutions Azeotropic mixture only Ternary solutions None of these Binary solutions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a reversible process ? Expansion of an ideal gas against constant pressure Solution of NaCl in water at 50°C Atmospheric pressure vaporisation of water at 100°C None of these Expansion of an ideal gas against constant pressure Solution of NaCl in water at 50°C Atmospheric pressure vaporisation of water at 100°C None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by Increase in enthalpy corresponding to absorption of heat Decrease in enthalpy corresponding to evolution of heat No change in enthalpy Decrease of entropy Increase in enthalpy corresponding to absorption of heat Decrease in enthalpy corresponding to evolution of heat No change in enthalpy Decrease of entropy ANSWER DOWNLOAD EXAMIANS APP
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