Chemical Engineering Thermodynamics Efficiency of a Carnot engine working between temperatures T₁ and T₂ (T₁ < T₂) is (T₁ - T₂)/T₂ (T₁ - T₂)/T₁ (T₂ - T₁)/T₁ (T₂ - T₁)/T₂ (T₁ - T₂)/T₂ (T₁ - T₂)/T₁ (T₂ - T₁)/T₁ (T₂ - T₁)/T₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system is said to be at equilibrium, if the entropy of the system has reached __________ value. Maximum Minimum Zero None of these Maximum Minimum Zero None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Joule-Thomson co-efficient depends on the Both A & B Neither A nor B Pressure Temperature Both A & B Neither A nor B Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy All of these Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure All of these Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. High thermal conductivity Large latent heat of vaporisation High viscosity Low freezing point High thermal conductivity Large latent heat of vaporisation High viscosity Low freezing point ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as C = P - F + 2 P = F - C - 2 F = C - P - 2 P + F - C = 2 C = P - F + 2 P = F - C - 2 F = C - P - 2 P + F - C = 2 ANSWER DOWNLOAD EXAMIANS APP