Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Ash resistance Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Gas film and pore surface diffusion resistances for products Ash resistance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus is used to determine the Specific surface of a porous catalyst Pore diameter Pore size distribution Porosity of the catalyst bed Specific surface of a porous catalyst Pore diameter Pore size distribution Porosity of the catalyst bed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a heterogenous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is Desorption of C Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase Desorption of C Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B Surface Kc/(1 + TS) reaction between absorbed A and B in the gas phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Oil is hydrogenated using nickel catalyst in a __________ reactor. Batch Slurry Fixed bed Fluidised bed Batch Slurry Fixed bed Fluidised bed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half-life period for a first order reaction is __________ the initial concentration of the reactant. Independent of Directly proportional to Inversely proportional to None of these Independent of Directly proportional to Inversely proportional to None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The effect of increasing pressure on the gaseous equilibrium of the reaction 2X+3Y ⇋ 3X+2Y indicates that Backward reaction is favoured None of these Pressure has no effect Forward reaction is favoured Backward reaction is favoured None of these Pressure has no effect Forward reaction is favoured ANSWER DOWNLOAD EXAMIANS APP