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 The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is -2 RT ln 0.5 2 RT 0.5 RT -RT ln 0.5 -2 RT ln 0.5 2 RT 0.5 RT -RT ln 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the least thermal efficiency? Carnot engine Steam engine Diesel engine Otto engine Carnot engine Steam engine Diesel engine Otto engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The gas law (PV = RT) is true for an __________ change. Isothermal Neither A nor B Adiabatic Both A & B Isothermal Neither A nor B Adiabatic Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The unit of fugacity is the same as that of the Volume Temperature Pressure Molar concentration Volume Temperature Pressure Molar concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope? 1 2 3 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
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