Chemical Engineering Thermodynamics In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when Cp < Cv Cp = Cv Cp > Cv Cp ≥ Cv Cp < Cv Cp = Cv Cp > Cv Cp ≥ Cv ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Both B and C Heating Cooling Simultaneous pressure & temperature change Both B and C Heating Cooling Simultaneous pressure & temperature change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of a pure fluid approaches __________ as the pressure tends to zero at constant temperature. Minus infinity None of these Infinity Zero Minus infinity None of these Infinity Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is true for Virial equation of state? For some gases, Virial equations and ideal gas equations are the same Virial co-efficients Virial co-efficients are universal constants Virial co-efficients are function of temperature only For some gases, Virial equations and ideal gas equations are the same Virial co-efficients Virial co-efficients are universal constants Virial co-efficients are function of temperature only ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pick out the undesirable property for a good refrigerant. High thermal conductivity Large latent heat of vaporisation Low freezing point High viscosity High thermal conductivity Large latent heat of vaporisation Low freezing point High viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Cooling of a substance Heating of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Cooling of a substance Heating of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
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