Chemical Reaction Engineering A first order reaction requires two equal sized CSTR. The conversion is More when they are connected in series Less when they are connected in series Same whether they are connected in series or in parallel More when they are connected in parallel More when they are connected in series Less when they are connected in series Same whether they are connected in series or in parallel More when they are connected in parallel ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Linearly with time Very abruptly towards the end of the reaction Logarithmically with time Exponentially with time Linearly with time Very abruptly towards the end of the reaction Logarithmically with time Exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a reaction, the threshold energy is equal to (where, A = activation energy N = normal energy of reactants) A+N N A A-N A+N N A A-N ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a semi-batch reactor 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 Residence time is constant Velocity of reaction can be controlled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The increase in the rate of reaction with temperature is due to Decrease in activation energy None of these Increase in the number of effective collisions Increase in the average kinetic energy of the reacting molecules Decrease in activation energy None of these Increase in the number of effective collisions Increase in the average kinetic energy of the reacting molecules ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Internal surface area is utilised efficiently Porosity is of less importance Porosity is very important None of these Internal surface area is utilised efficiently Porosity is of less importance Porosity is very important None of these ANSWER DOWNLOAD EXAMIANS APP
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