Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Air refrigeration cycle Carnot refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be Same More Data insufficient to predict Less Same More Data insufficient to predict Less ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The energy of activation of exothermic reaction is Negative Zero Not possible to predict Very large compared to that for en-dothermic reaction Negative Zero Not possible to predict Very large compared to that for en-dothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Van Laar equation deals with the activity co-efficients in Ternary solutions Azeotropic mixture only None of these Binary solutions Ternary solutions Azeotropic mixture only None of these Binary solutions ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Third law of thermodynamics is helpful in Prediction of the extent of a chemical reaction Both B and C Evaluating entropy changes of chemical reaction Calculating absolute entropies of substances at different temperature Prediction of the extent of a chemical reaction Both B and C Evaluating entropy changes of chemical reaction Calculating absolute entropies of substances at different temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one Minute Hour Second Day Minute Hour Second Day ANSWER DOWNLOAD EXAMIANS APP