Chemical Engineering Thermodynamics The expression, nRT In P₁/P₂ , is for the____of an ideal gas. Co-efficient of thermal expansion Work done under adiabatic contition Compressibility Work done under isothermal condition Co-efficient of thermal expansion Work done under adiabatic contition Compressibility Work done under isothermal condition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical compressibility factor for all substances Vary as square of the absolute temperature None of these Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) Vary as square of the absolute temperature None of these Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? It should be non-explosive None of these Its vapor pressure at the condenser temperature should be very high It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils It should be non-explosive None of these Its vapor pressure at the condenser temperature should be very high It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature. Zero None of these Infinity Minus infinity Zero None of these Infinity Minus infinity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Van Laar equation deals with the activity co-efficients in Ternary solutions Binary solutions None of these Azeotropic mixture only Ternary solutions Binary solutions None of these Azeotropic mixture only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂S/∂V)T = (∂P/∂T)V (∂S/∂P)T = -(∂V/∂T)P (∂V/∂S)P = (∂T/∂P)S (∂T/∂V)S = -(∂P/∂S)V (∂S/∂V)T = (∂P/∂T)V (∂S/∂P)T = -(∂V/∂T)P (∂V/∂S)P = (∂T/∂P)S (∂T/∂V)S = -(∂P/∂S)V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS