Chemical Engineering Thermodynamics Compressibility factor of a gas is Not a function of its temperature Not a function of its nature Not a function of its pressure Unity, if it follows PV = nRT Not a function of its temperature Not a function of its nature Not a function of its pressure Unity, if it follows PV = nRT 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 Simultaneous pressure & temperature change Cooling Heating Both B and C Simultaneous pressure & temperature change Cooling Heating ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following processes can not be made reversible even under ideal condition of operation? Expansion of steam in a turbine All of these Compression of air in a compressor Free expansion of a gas Expansion of steam in a turbine All of these Compression of air in a compressor Free expansion of a gas 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 Henry's law Called Lewis-Randall rule None of these The statement as per Gibbs-Helmholtz Henry's law Called Lewis-Randall rule None of these The statement as per Gibbs-Helmholtz ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is Infinity Zero Negative One Infinity Zero Negative One 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 P = F - C - 2 P + F - C = 2 F = C - P - 2 C = P - F + 2 P = F - C - 2 P + F - C = 2 F = C - P - 2 C = P - F + 2 ANSWER DOWNLOAD EXAMIANS APP