Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) Independent of temperature ∝ CA ∝ 1/CA None of these Independent of temperature ∝ CA ∝ 1/CA None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Linearly with time Very abruptly towards the end of the reaction Exponentially with time Logarithmically with time Linearly with time Very abruptly towards the end of the reaction Exponentially with time Logarithmically with time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface All of these Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface All of these Loss in surface area of the active component ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor. Fixed Fixed bed reactor followed by a fluidised Fluidised Fluidised bed reactor followed by a fixed Fixed Fixed bed reactor followed by a fluidised Fluidised Fluidised bed reactor followed by a fixed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will favour the reverse reaction in a chemical equilibrium reaction? Removal of at least one of the products at regular interval Increasing the concentration of one of the reactants Increasing the concentration of one or more of the products None of these Removal of at least one of the products at regular interval Increasing the concentration of one of the reactants Increasing the concentration of one or more of the products None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of Chanelling Bypass Ideal plug flow Dead zone Chanelling Bypass Ideal plug flow Dead zone ANSWER DOWNLOAD EXAMIANS APP
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