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 Increase No change Decrease Either A or B, depends on the type of reaction Increase No change ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will favour the reverse reaction in a chemical equilibrium reaction? Increasing the concentration of one or more of the products Removal of at least one of the products at regular interval None of these Increasing the concentration of one of the reactants Increasing the concentration of one or more of the products Removal of at least one of the products at regular interval None of these Increasing the concentration of one of the reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is None of these Half of the space time of a reaction Half of the residence time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value None of these Half of the space time of a reaction Half of the residence time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value 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 reactants Surface phenomenon resistance Gas film and pore surface diffusion resistances for products Ash resistance Gas film and pore surface diffusion resistances for reactants Surface phenomenon resistance Gas film and pore surface diffusion resistances for products ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Provide large surface area with a small amount of active material Have very high selectivity Inhibit catalyst poisoning Increase the activity of a catalyst Provide large surface area with a small amount of active material Have very high selectivity Inhibit catalyst poisoning Increase the activity of a catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For multiple reactions, the flow pattern within the vessel affects the Distribution of reaction products Both A and B Size requirement Neither A nor B Distribution of reaction products Both A and B Size requirement Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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