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 Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole. 273 0 None of these 25 273 0 None of these 25 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is (∂T/∂V)S = -(∂P/∂S)V (∂V/∂S)P = (∂T/∂P)S (∂S/∂V)T = (∂P/∂T)V (∂S/∂P)T = -(∂V/∂T)P (∂T/∂V)S = -(∂P/∂S)V (∂V/∂S)P = (∂T/∂P)S (∂S/∂V)T = (∂P/∂T)V (∂S/∂P)T = -(∂V/∂T)P 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 Doubled One fourth of its original value Halved Same Doubled One fourth of its original value Halved Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is (T₁ - T₂)/T₂ T₁/(T₁ - T₂) T₂/(T₁ - T₂) (T₁ - T₂)/T₁ (T₁ - T₂)/T₂ T₁/(T₁ - T₂) T₂/(T₁ - T₂) (T₁ - T₂)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a reversible process ? Atmospheric pressure vaporisation of water at 100°C Expansion of an ideal gas against constant pressure None of these Solution of NaCl in water at 50°C Atmospheric pressure vaporisation of water at 100°C Expansion of an ideal gas against constant pressure None of these Solution of NaCl in water at 50°C ANSWER DOWNLOAD EXAMIANS APP
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