Chemical Reaction Engineering A catalyst in a chemical reaction Decreases the activation energy All of these Increases the frequency of collisions of reacting species Alters the reaction mechanism Decreases the activation energy All of these Increases the frequency of collisions of reacting species Alters the reaction mechanism ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to D2 D D1.5 √d D2 D D1.5 √d ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of physical adsorption, the heat of adsorption is of the order of __________ kcal/kg.mole. 10000 100 1000 100000 10000 100 1000 100000 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arrhenious equation represents graphically the variation between the __________ and temperature. Rate of reaction Activation energy Rate constant Frequency factor Rate of reaction Activation energy Rate constant Frequency factor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is suitable for Liquid phase reactions Achieving cent percent conversion of reactants into products Large scale gaseous phase reactions Obtaining uniform polymerisation products in highly exothermic reactions Liquid phase reactions Achieving cent percent conversion of reactants into products Large scale gaseous phase reactions Obtaining uniform polymerisation products in highly exothermic reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm. Tempkin Langmuir Freundlich None of these Tempkin Langmuir Freundlich None of these ANSWER DOWNLOAD EXAMIANS APP