Chemical Reaction Engineering For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor. Fixed bed Stirred tank Batch Tubular flow Fixed bed Stirred tank Batch Tubular flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a chemical step in a fluid solid catalytic reaction? None of these Desorption Surface chemical reaction Adsorption None of these Desorption Surface chemical reaction Adsorption ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst is a substance, which __________ chemical reaction. Decreases the speed of a Increases the speed of a Alters the value of equilibrium constant in a reversible Can either increase or decrease the speed of a Decreases the speed of a Increases the speed of a Alters the value of equilibrium constant in a reversible Can either increase or decrease the speed of a ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The units of frequency factor in Arhenious equation Are cycles per unit time Depend on temperature, pressure etc. of the reaction Depend on the order of the reaction Are the same as those of the rate constant Are cycles per unit time Depend on temperature, pressure etc. of the reaction Depend on the order of the reaction Are the same as those of the rate constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The sequence in which three CSTR's of volumes 5, 10 and 15 m³ will be connected in series to obtain the maximum production in a second order irreversible reaction is 5, 10, 15 15, 10, 5 10, 15, 5 10, 5, 15 5, 10, 15 15, 10, 5 10, 15, 5 10, 5, 15 ANSWER DOWNLOAD EXAMIANS APP
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
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