Chemical Engineering Thermodynamics Which of the following equations is used for the prediction of activity co-efficient from experiments? Wilson's equation Margules equation Van Laar equation All of these Wilson's equation Margules equation Van Laar equation All of these 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 Decreased COP Enhanced COP Increased or decreased COP ; depending upon the type of refrigerant No change in the value of COP Decreased COP Enhanced COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The activity of an ideal gas is numerically __________ its pressure. Equal to More than Less than Data insufficient, can't be predicted Equal to More than Less than Data insufficient, can't be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Cooling takes place Pressure is constant Heating takes place Temperature is constant Cooling takes place Pressure is constant Heating takes place Temperature is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of reaction is Dependent on pressure only Dependent on both pressure and temperature Dependent on temperature only Independent of temperature changes Dependent on pressure only Dependent on both pressure and temperature Dependent on temperature only Independent of temperature changes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Third law of thermodynamics is helpful in Calculating absolute entropies of substances at different temperature Both B and C Evaluating entropy changes of chemical reaction Prediction of the extent of a chemical reaction Calculating absolute entropies of substances at different temperature Both B and C Evaluating entropy changes of chemical reaction Prediction of the extent of a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
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