Chemical Engineering Thermodynamics In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is 1.66 1 1.44 1.66 1 1.44 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in Increased or decreased COP ; depending upon the type of refrigerant No change in the value of COP Enhanced COP Decreased COP Increased or decreased COP ; depending upon the type of refrigerant No change in the value of COP Enhanced COP Decreased COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as Solubility increases as temperature increases Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution Solubility is independent of temperature Solubility increases as temperature decreases Solubility increases as temperature increases Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution Solubility is independent of temperature Solubility increases as temperature decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not affected by temperature changes? None of these Fugacity Activity co-efficient Free energy None of these Fugacity Activity co-efficient Free energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases. Decreases linearly Remains same Increases Decreases Decreases linearly Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour. Superheated Desuperheated Non-condensable None of these Superheated Desuperheated Non-condensable None of these ANSWER DOWNLOAD EXAMIANS APP
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