Chemical Reaction Engineering For any reaction, we may write conversion as a function of Time Temperature Concentration All of these Time Temperature Concentration All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2 2.24 1.6 2.5 2 2.24 1.6 2.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion. Ash layer Film None of these Pore Ash layer Film None of these Pore ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The single parameter model proposed for describing non-ideal flow is the __________ model. Dispersion Tank in series Neither A nor B Both A & B Dispersion Tank in series Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. 0 < 0.5 > 0.5 ∞ 0 < 0.5 > 0.5 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter. Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals All of these Atlers the position of equilibrium in a reversible reaction Initiates a chemical reaction and is a catalyst by itself Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals All of these Atlers the position of equilibrium in a reversible reaction Initiates a chemical reaction and is a catalyst by itself ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS