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 > 1 > 2 < 3 < 1 > 1 > 2 < 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical compressibility factor for all substances Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute temperature Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute temperature Vary as square of the absolute pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a constant pressure reversible process, the enthalpy change (ΔH) of the system is Cp.dT ∫Cv.dT Cv.dT ∫Cp.dT Cp.dT ∫Cv.dT Cv.dT ∫Cp.dT ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Requisites of a reversible process is that the System and surroundings pressure be equal System and surroundings temperature be equal None of these Friction in the system should be absent System and surroundings pressure be equal System and surroundings temperature be equal None of these Friction in the system should be absent ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not affected by temperature changes? Fugacity None of these Activity co-efficient Free energy Fugacity None of these Activity co-efficient Free energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work. Isentropic Isothermal None of these Adiabatic Isentropic Isothermal None of these Adiabatic ANSWER DOWNLOAD EXAMIANS APP