Chemical Reaction Engineering In an exothermic chemical reaction, the reactants compared to the products have Same energy Less energy Higher temperature More energy Same energy Less energy Higher temperature More energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the gaseous reaction 2A → B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is -0.25 -0.5 1 -0.25 -0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a semi-batch reactor Both the reactants flow counter-currently Maximum conversion can be controlled Residence time is constant Velocity of reaction can be controlled Both the reactants flow counter-currently Maximum conversion can be controlled Residence time is constant Velocity of reaction can be controlled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion. Decrease Either A or B, depends on the type of reaction No change Increase Decrease Either A or B, depends on the type of reaction No change Increase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have High CA, high CB Low CA, low CB Low CA, high CB High CA, low CB High CA, high CB Low CA, low CB Low CA, high CB High CA, low CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following resistances is not involved in a gas phase catalytic (gas- solid) reaction? Ash resistance Gas film and pore surface diffusion resistances for products Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants Ash resistance Gas film and pore surface diffusion resistances for products Surface phenomenon resistance Gas film and pore surface diffusion resistances for reactants ANSWER DOWNLOAD EXAMIANS APP
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