Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Ordinary vapour compression cycle Carnot cycle Vapour compression with a reversible expansion engine Air cycle Ordinary vapour compression cycle Carnot cycle Vapour compression with a reversible expansion engine Air cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is Negative Positive None of these Zero Negative Positive None of these Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy per mole for a pure substance is equal to the Molal boiling point Heat capacity Latent heat of vaporisation Chemical potential Molal boiling point Heat capacity Latent heat of vaporisation Chemical potential ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Degree of freedom of the system ice-water-vapour will be 1 3 0 2 1 3 0 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the atomic heat capacities of all solid elements Decreases Remains unchanged Increases Decreases linearly Decreases Remains unchanged Increases Decreases linearly 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 is independent of temperature Solubility increases as temperature decreases Solubility increases as temperature increases Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution Solubility is independent of temperature Solubility increases as temperature decreases Solubility increases as temperature increases ANSWER DOWNLOAD EXAMIANS APP