Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Internal surface area is utilised efficiently None of these Porosity is of less importance Porosity is very important Internal surface area is utilised efficiently None of these Porosity is of less importance Porosity is very important ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Limiting reactant in a chemical reaction decides the Reaction speed Equilibrium constant Conversion Rate constant Reaction speed Equilibrium constant Conversion Rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If CA is the quantity of reactants initially present, the quantity left after 'n' half periods will be equal to (1/2)n.CA (CA)1/n (CA)n (CA)1/2n (1/2)n.CA (CA)1/n (CA)n (CA)1/2n ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be 0.693τ 0.5τ 2τ τ/0.693 0.693τ 0.5τ 2τ τ/0.693 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst inhibitor May be useful for suppressing undesirable side reactions Is added in small quantity during the catalyst manufacture itself Lessens its selectivity All of these May be useful for suppressing undesirable side reactions Is added in small quantity during the catalyst manufacture itself Lessens its selectivity All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A liquid decomposes by irreversible first order kinetics and the half life period of this reaction is 8 minutes. The time required for 75% conversion of the liquid will be __________ minutes. 12 8 4 16 12 8 4 16 ANSWER DOWNLOAD EXAMIANS APP
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