Chemical Engineering Thermodynamics Third law of thermodynamics is helpful in Prediction of the extent of a chemical reaction Evaluating entropy changes of chemical reaction Both B and C Calculating absolute entropies of substances at different temperature Prediction of the extent of a chemical reaction Evaluating entropy changes of chemical reaction Both B and C Calculating absolute entropies of substances at different temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a given substance at a specified temperature, activity is __________ to fugacity. Equal Inversely proportional Directly proportional None of these Equal Inversely proportional Directly proportional None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Carnot cycle Ordinary vapour compression cycle Air cycle Vapour compression with a reversible expansion engine Carnot cycle Ordinary vapour compression cycle Air cycle Vapour compression with a reversible expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics On opening the door of an operating refrigerator kept in a closed room, the temperature of the room will Remain same Increase Increase in summer and will decrease in winter Decrease Remain same Increase Increase in summer and will decrease in winter Decrease ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Near their critical temperatures, all gases occupy volumes __________ that of the ideal gas. Less than Half Same as More than Less than Half Same as More than 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 Decreased COP Enhanced COP No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP Enhanced COP No change in the value of COP Increased or decreased COP ; depending upon the type of refrigerant ANSWER DOWNLOAD EXAMIANS APP
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