Chemical Reaction Engineering A catalyst loses its activity due to All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An isothermal aqueous phase reversible reaction, P ⇋ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m³ .h is given by, r = 0.5CP - 0.125CR. A stream containing only P enters the 0.80 1.60 1.33 2.67 0.80 1.60 1.33 2.67 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a chemical reaction decreases by decreasing the Concentration of reactants Pressure Duration of reaction Temperature Concentration of reactants Pressure Duration of reaction Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length Increases First increases and then decreases Is at the highest allowable temperature throughout Decreases Increases First increases and then decreases Is at the highest allowable temperature throughout Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A balanced chemical reaction equation conforms to the law of None ofthese Conservation of mass Avagadro's hypothesis Gaseous volumes None ofthese Conservation of mass Avagadro's hypothesis Gaseous volumes ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving Combustion of coal particles Roasting of sulphide ores None of these Manufacture of carbon disulphide from elements Combustion of coal particles Roasting of sulphide ores None of these Manufacture of carbon disulphide from elements ANSWER DOWNLOAD EXAMIANS APP
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