Chemical Reaction Engineering For a zero order reaction, the concentration of product increases with the Increase of reaction time Increase in initial concentration Decrease in total pressure Total pressure Increase of reaction time Increase in initial concentration Decrease in total pressure Total pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) L√(K/D1) 1 1/(L√(K/D1)) ∞ L√(K/D1) 1 1/(L√(K/D1)) ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Can be either greater or smaller than (depends on the type of reaction) Is greater than Equals Is smaller than Can be either greater or smaller than (depends on the type of reaction) Is greater than Equals Is smaller than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a chemical step in a fluid solid catalytic reaction? Adsorption Desorption Surface chemical reaction None of these Adsorption Desorption Surface chemical reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The exit age distribution curve E(t) for an ideal CSTR with the average residence time, τ, is given by E-t/τ E-t/τ/T 1 - e-t/τ 1 - (e-t/τ/T) E-t/τ E-t/τ/T 1 - e-t/τ 1 - (e-t/τ/T) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reactions with low activation energy are Fast Non-spontaneous Slow Always spantaneous Fast Non-spontaneous Slow Always spantaneous ANSWER DOWNLOAD EXAMIANS APP