Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by An active surface of the catalyst All of these Large catalyst particle size Small pore diameter An active surface of the catalyst All of these Large catalyst particle size Small pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor of a catalyst pellet is a measure of the __________ resistance. Chemical reaction Pore diffusion Gas film None of these Chemical reaction Pore diffusion Gas film None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO₂ to SO₃ is accomplished by a __________ reaction. Catalytic heterogeneous Non-catalytic heterogeneous Catalytic homogenous Non-catalytic homogeneous Catalytic heterogeneous Non-catalytic heterogeneous Catalytic homogenous Non-catalytic homogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sometimes, batch process is preferred over continuous process, when the product Quality & yield can not be achieved in continuous processes, because of long residence time Both A & B Neither A nor B Sales demand is fluctuating Quality & yield can not be achieved in continuous processes, because of long residence time Both A & B Neither A nor B Sales demand is fluctuating ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor? Temperature should be high in the beginning and decreased towards the end of the reaction None of these Very low temperature should be used throughout the reaction Very high temperature should be used throughout the reaction Temperature should be high in the beginning and decreased towards the end of the reaction None of these Very low temperature should be used throughout the reaction Very high temperature should be used throughout the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Conversion increases with increase in temperature in case of a an __________ reaction. Reversible exothermic Irreversible Reversible endothermic Autocatalytic Reversible exothermic Irreversible Reversible endothermic Autocatalytic ANSWER DOWNLOAD EXAMIANS APP