Chemical Engineering Thermodynamics The relation connecting the fugacities of various components in a solution with one another and to composition at constant temperature and pressure is called the __________ equation. Gibbs-Duhem Gibbs-Helmholtz Van Laar Margules Gibbs-Duhem Gibbs-Helmholtz Van Laar Margules ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following processes can not be made reversible even under ideal condition of operation? All of these Free expansion of a gas Compression of air in a compressor Expansion of steam in a turbine All of these Free expansion of a gas Compression of air in a compressor Expansion of steam in a turbine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of Temperature and pressure only Temperature, pressure, liquid composition xi and vapour composition yi Temperature, pressure and liquid composition xi only Temperature only Temperature and pressure only Temperature, pressure, liquid composition xi and vapour composition yi Temperature, pressure and liquid composition xi only Temperature only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling (Joule-Thomson effect) process is a constant __________ process. Entropy Enthalpy None of these Pressure Entropy Enthalpy None of these Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Steam undergoes isentropic expansion in a turbine from 5000 kPa and 400°C (entropy = 6.65 kJ/kg K) to 150 kPa) (entropy of saturated liquid = 1.4336 kJ/kg . K, entropy of saturated vapour = 7.2234 kJ/kg. K) The exit condition of steam is Partially condensed vapour with quality of 0.1 Saturated vapour Superheated vapour Partially condensed vapour with quality of 0.9 Partially condensed vapour with quality of 0.1 Saturated vapour Superheated vapour Partially condensed vapour with quality of 0.9 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For the reversible exothermic reaction, N₂ + 3H₂ ⇋ 2NH₃, increase of pressure would Give higher yield of NH₃ Both B and C Neither A nor B Shift the equilibrium towards right Give higher yield of NH₃ Both B and C Neither A nor B Shift the equilibrium towards right ANSWER DOWNLOAD EXAMIANS APP
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