Chemical Engineering Thermodynamics Critical compressibility factor for all substances 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) Vary as square of the absolute temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be One fourth of its original value Halved Doubled Same One fourth of its original value Halved Doubled Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Generation of heat by friction is an example of a/an __________ change. Adiabatic Isothermal Irreversible Reversible Adiabatic Isothermal Irreversible Reversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of Vaporisation None of these Transition Fusion Vaporisation None of these Transition Fusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always < 1 < 3 > 1 > 2 < 1 < 3 > 1 > 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a spontaneous process, free energy Increases And entropy both decrease Is zero Decreases whereas the entropy increases Increases And entropy both decrease Is zero Decreases whereas the entropy increases ANSWER DOWNLOAD EXAMIANS APP