Chemical Reaction Engineering A catalyst in a chemical reaction All of these Decreases the activation energy Alters the reaction mechanism Increases the frequency of collisions of reacting species All of these Decreases the activation energy Alters the reaction mechanism Increases the frequency of collisions of reacting species ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes are destroyed, when the Reactant's concentration is very low Temperature is very high Reaction rate is independent of the reactant's concentration Reactant's concentration is very high Reactant's concentration is very low Temperature is very high Reaction rate is independent of the reactant's concentration Reactant's concentration is very high ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion in a mixed reactor/accomplishing a reaction A 3R is 50% when gaseous reactant 'A' is introduced at the rate of 1 litre/second and the leaving flow rate is 2 litres/second. The holding time for this operation is __________ second. 0.5 3 2 1 0.5 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus Measures the catalyst surface area directly Is made entirely of stainless steel None of these Operates at very high pressure Measures the catalyst surface area directly Is made entirely of stainless steel None of these Operates at very high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The unit of frequency factor in Arhenious equation is Same as that of rate constant Dimensionless None of these Same as that of activation energy Same as that of rate constant Dimensionless None of these Same as that of activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a characteristic of an ideal plug flow reactor? Flat velocity profile None of these Axial dispersion Uniform mixing Flat velocity profile None of these Axial dispersion Uniform mixing ANSWER DOWNLOAD EXAMIANS APP
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