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 In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in 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 Increased or decreased COP ; depending upon the type of refrigerant No change in the value of COP 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 Replaced by chemical potential which is more in vapour phase More in liquid phase Same in both the phases More in vapour phase Replaced by chemical potential which is more in vapour phase More in liquid phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the internal energy of a substance Remains unchanged Decreases May increase or decrease; depends on the substance Increases Remains unchanged Decreases May increase or decrease; depends on the substance Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following equations is used for the prediction of activity co-efficient from experiments? All of these Wilson's equation Margules equation Van Laar equation All of these Wilson's equation Margules equation Van Laar equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cv is given by (∂V/∂T)P (∂E/∂P)V (∂E/∂V)T (∂E/∂T)V (∂V/∂T)P (∂E/∂P)V (∂E/∂V)T (∂E/∂T)V ANSWER DOWNLOAD EXAMIANS APP
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