Chemical Reaction Engineering In a semi-batch reactor Residence time is constant Velocity of reaction can be controlled Both the reactants flow counter-currently Maximum conversion can be controlled Residence time is constant Velocity of reaction can be controlled Both the reactants flow counter-currently Maximum conversion can be controlled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The unit of frequency factor in Arhenious equation is Same as that of activation energy Same as that of rate constant None of these Dimensionless Same as that of activation energy Same as that of rate constant None of these Dimensionless ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction? Zero 1 3 2 Zero 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction is dominated by in-traparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as ND = n/2 ND = n + 1 None of these ND = (n + 1)/2 ND = n/2 ND = n + 1 None of these ND = (n + 1)/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor? Temperature should be high in the beginning and decreased towards the end of the reaction None of these Very low temperature should be used throughout the reaction Very high temperature should be used throughout the reaction Temperature should be high in the beginning and decreased towards the end of the reaction None of these Very low temperature should be used throughout the reaction Very high temperature should be used throughout the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a theory of homogeneous reaction? Chain reaction theory Radiation hypothesis Collision theory and activated complex theory None of these Chain reaction theory Radiation hypothesis Collision theory and activated complex theory None of these ANSWER DOWNLOAD EXAMIANS APP