Chemical Engineering Thermodynamics During a reversible isothermal expansion of an ideal gas, the entropy change is ∞ +ve -ve ∞ +ve -ve ANSWER DOWNLOAD EXAMIANS APP
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 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 < 3 > 1 < 1 > 2 < 3 > 1 < 1 > 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The number of degrees of freedom for a mixture of ice and water (liquid) are 0 2 3 1 0 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following will increase the volume of a real gas by four times ? Reducing temperature to one fourth at constant pressure Reducing pressure to one fourth at constant temperature Reducing the temperature to half and doubling the pressure Doubling the absolute temperature as well as pressure of the gas Reducing temperature to one fourth at constant pressure Reducing pressure to one fourth at constant temperature Reducing the temperature to half and doubling the pressure Doubling the absolute temperature as well as pressure of the gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in pressure (above atmospheric pressure), the Cp of a gas First decreases and then increases Increases Decreases Remains unchanged First decreases and then increases Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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