Chemical Engineering Thermodynamics Throttling (Joule-Thomson effect) process is a constant __________ process. None of these Enthalpy Pressure Entropy None of these Enthalpy Pressure Entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system U decreases but S is constant Its internal energy (U) decreases and its entropy (S) increases U and S both decreases U is constant but S decreases U decreases but S is constant Its internal energy (U) decreases and its entropy (S) increases U and S both decreases U is constant but S decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Ideal refrigeration cycle is The least efficient of all refrigeration processes Dependent on the refrigerant's properties Same as Carnot cycle Same as reverse Carnot cycle The least efficient of all refrigeration processes Dependent on the refrigerant's properties Same as Carnot cycle Same as reverse Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigeration cycles, which one has maximum COP? Air cycle Ordinary vapor compression cycle Carnot cycle Vapor compression with a reversible expansion engine Air cycle Ordinary vapor compression cycle Carnot cycle Vapor compression with a reversible expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics PVy = constant, holds good for an isentropic process, which is Adiabatic and irreversible Reversible and isothermal Isothermal and irreversible Reversible and adiabatic Adiabatic and irreversible Reversible and isothermal Isothermal and irreversible Reversible and adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution Solubility increases as temperature increases Solubility increases as temperature decreases Solubility is independent of temperature Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution Solubility increases as temperature increases Solubility increases as temperature decreases Solubility is independent of temperature ANSWER DOWNLOAD EXAMIANS APP