Chemical Engineering Thermodynamics Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K ) Tb/λb √(λb/Tb) √(Tb/λb) λb/Tb Tb/λb √(λb/Tb) √(Tb/λb) λb/Tb ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The value of gas constant 'R' is 1.987 cal/gm mole °K Neither A nor B 1.987 BTU/lb. mole °R Both A and B 1.987 cal/gm mole °K Neither A nor B 1.987 BTU/lb. mole °R Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Zero Infinity Positive Negative Zero Infinity Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the Gibbs-Helmholtz equation Gibbs-Duhem equation Joule-Thomson effect Third law of thermodynamics Gibbs-Helmholtz equation Gibbs-Duhem equation Joule-Thomson effect Third law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of an ideal gas is a function of its __________ only. Temperature Pressure Molecular size Volume Temperature Pressure Molecular size Volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation relating E, P, V and T which is true for all substanes under all conditions is given by (∂E/∂V)T = T.(∂P/∂T)H - P . This equation is called the Redlich-Kwong equation of state Maxwell Equation of state Thermodynamic equation of state Redlich-Kwong equation of state Maxwell Equation of state Thermodynamic equation of state ANSWER DOWNLOAD EXAMIANS APP