Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Pore diffusion Form of surface attack by poison Decay reactions All of these Pore diffusion Form of surface attack by poison Decay reactions All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Non-catalytic fluid-solid reactions are represented by __________ model. Neither A and B Both A and B Continuous reaction Unreacted core Neither A and B Both A and B Continuous reaction Unreacted core ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CaO is not dissociated Of high calcination temperature CO₂ escapes continuously CaO is more stable than CaCO₃ CaO is not dissociated Of high calcination temperature CO₂ escapes continuously CaO is more stable than CaCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From Arhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is K cal/°K K cal. °K °K K cal K cal/°K K cal. °K °K K cal ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will give maximum gas conversion? Plug-flow catalytic reactor Semi-fluidised bed reactor Fluidised bed reactor Fixed bed reactor Plug-flow catalytic reactor Semi-fluidised bed reactor Fluidised bed reactor Fixed bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Reverse reaction in a chemical equilibrium is favoured by the Removal of one of the products regularly Increase in the concentration of one of the reactants None of these Increase in the concentration of oneof the products Removal of one of the products regularly Increase in the concentration of one of the reactants None of these Increase in the concentration of oneof the products ANSWER DOWNLOAD EXAMIANS APP
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