Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Form of surface attack by poison Pore diffusion All of these Decay reactions Form of surface attack by poison Pore diffusion All of these Decay reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions. Endothermic Autothermal Autocatalytic Exothermic Endothermic Autothermal Autocatalytic Exothermic 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 Exponentially with time Logarithmically with time Linearly with time Very abruptly towards the end of the reaction Exponentially with time Logarithmically with time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Knudsen diffusion is directly proportional to 1/√T T T₂ √T 1/√T T T₂ √T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A back mix reactor is Ideal at very low conversion Suitable for gas phase reactions Same as plug flow reactor (PFR) Same as ideal stirred tank reactor Ideal at very low conversion Suitable for gas phase reactions Same as plug flow reactor (PFR) Same as ideal stirred tank reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a/an __________ reactor, there is exchange of heat with the surroundings with sizeable temperature variation. Adiabatic Non-adiabatic None of these Isothermal Adiabatic Non-adiabatic None of these Isothermal ANSWER DOWNLOAD EXAMIANS APP