Chemical Reaction Engineering The units of frequency factor in Arhenious equation Are the same as those of the rate constant Depend on temperature, pressure etc. of the reaction Depend on the order of the reaction Are cycles per unit time Are the same as those of the rate constant Depend on temperature, pressure etc. of the reaction Depend on the order of the reaction Are cycles per unit time 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 2τ τ/0.693 0.5τ 0.693τ 2τ τ/0.693 0.5τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have Low CA, low CB High CA, high CB Low CA, high CB High CA, low CB Low CA, low CB High CA, high CB Low CA, high CB High CA, low CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Porosity is of less importance Internal surface area is utilised efficiently Porosity is very important None of these Porosity is of less importance Internal surface area is utilised efficiently Porosity is very important None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of a P.F.R., there Should not be any mixing along the flow path May be lateral mixing of fluid Both A and B Neither A nor B Should not be any mixing along the flow path May be lateral mixing of fluid Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When an exothermic reversible reaction is conducted adiabatically, the rate of reaction Continuously increases Passes through a maximum Passes through a minimum Continuously decreases Continuously increases Passes through a maximum Passes through a minimum Continuously decreases ANSWER DOWNLOAD EXAMIANS APP