Chemical Engineering Thermodynamics The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is More pronounced Less pronounced Equal Data insufficient, can't be predicted More pronounced Less pronounced Equal Data insufficient, can't be predicted 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. Both B and C Heating Simultaneous pressure & temperature change Cooling Both B and C Heating Simultaneous pressure & temperature change Cooling ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in Enthalpy Both A & B Volume Neither A nor B Enthalpy Both A & B Volume Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics "The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture". This is Called Lewis-Randall rule Henry's law The statement as per Gibbs-Helmholtz None of these Called Lewis-Randall rule Henry's law The statement as per Gibbs-Helmholtz None of these 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 Gibbs free energy at constant pressure and temperature under equilibrium conditions is ∞ Maximum Minimum ∞ Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP
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