Chemical Engineering Thermodynamics Which of the following is not correct for a reversible adiabatic process? None of these P1-γ.TY = constant PVγ = constant TVγ-1 = constant None of these P1-γ.TY = constant PVγ = constant TVγ-1 = constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively) Geometric Arithmetic Harmonic Logarithmic Geometric Arithmetic Harmonic Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates More accurate plotting Covering of wide range Use of only one graph for all gases Easier plotting More accurate plotting Covering of wide range Use of only one graph for all gases Easier plotting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It takes place at constant volume It is exothermic It takes place isothermally It is isenthalpic It takes place at constant volume It is exothermic It takes place isothermally It is isenthalpic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the Third law of thermodynamics Joule-Thomson effect Gibbs-Duhem equation Gibbs-Helmholtz equation Third law of thermodynamics Joule-Thomson effect Gibbs-Duhem equation Gibbs-Helmholtz equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a constant volume process __________ by the system is used only to increase the internal energy. Neither A nor B Both A & B Work done Heat absorbed Neither A nor B Both A & B Work done Heat absorbed ANSWER DOWNLOAD EXAMIANS APP