Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Expands Does not change in volume Contracts Either A, B or C Expands Does not change in volume Contracts Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is Same in both the phases More in vapour phase More in liquid phase Replaced by chemical potential which is more in vapour phase Same in both the phases More in vapour phase More in liquid phase Replaced by chemical potential which is more in vapour phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas is subjected to adiabatic expansion, it gets cooled due to Decrease in temperature Decrease in kinetic energy Energy spent in doing work Decrease in velocity Decrease in temperature Decrease in kinetic energy Energy spent in doing work Decrease in velocity 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 > 1 > 2 < 3 < 1 > 1 > 2 < 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation, PVn = constant, if the value of n = ± ∞, then it represents a reversible __________ process. Isothermal Adiabatic Isometric Isentropic Isothermal Adiabatic Isometric Isentropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an irreversible process Tds = dE - dW = 0 Tds - dE + dW< 0 DE - dW - Tds = 0 Tds - dT + dW< 0 Tds = dE - dW = 0 Tds - dE + dW< 0 DE - dW - Tds = 0 Tds - dT + dW< 0 ANSWER DOWNLOAD EXAMIANS APP
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