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 > 2 < 1 > 1 < 3 > 2 < 1 > 1 < 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Melting of wax is accompanied with __________ in entropy. Decrease Increase No change None of these Decrease Increase No change None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Specific __________ does not change during phase change at constant temperature and pressure. Gibbs energy Enthalpy Internal energy Entropy Gibbs energy Enthalpy Internal energy Entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In polytropic process (PVn = constant), if n = 1; it means a/an __________ process. Isothermal None of these Reversible Adiabatic Isothermal None of these Reversible Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will Remain unchanged Decrease First fall and then rise Increase Remain unchanged Decrease First fall and then rise Increase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The compressibility factor of a gas is given by (where, V₁ = actual volume of the gas V₂ = gas volume predicted by ideal gas law ) V₂/V₁ V₁/V₂ V₁-V₂ V₁.V₂ V₂/V₁ V₁/V₂ V₁-V₂ V₁.V₂ ANSWER DOWNLOAD EXAMIANS APP
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