Chemical Reaction Engineering A catalyst in a chemical reaction Decreases the activation energy Alters the reaction mechanism All of these Increases the frequency of collisions of reacting species Decreases the activation energy Alters the reaction mechanism All of these Increases the frequency of collisions of reacting species ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will give maximum gas conversion? Semi-fluidised bed reactor Fluidised bed reactor Fixed bed reactor Plug-flow catalytic reactor Semi-fluidised bed reactor Fluidised bed reactor Fixed bed reactor Plug-flow catalytic reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes are destroyed, when the Reaction rate is independent of the reactant's concentration Reactant's concentration is very high Temperature is very high Reactant's concentration is very low Reaction rate is independent of the reactant's concentration Reactant's concentration is very high Temperature is very high Reactant's concentration is very low ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A space velocity of 5 hr⁻¹ means that Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour After every 5 hours, reactor is being filled with the feed A fixed conversion of a given batch of feed takes 5 hours Cent per cent conversion can be achieved in at least 5 hours Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour After every 5 hours, reactor is being filled with the feed A fixed conversion of a given batch of feed takes 5 hours Cent per cent conversion can be achieved in at least 5 hours ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Radioactive decay follows __________ order kinetics. Zero First Third Second Zero First Third Second ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not endothermic in nature? Gasification of carbon Thermal cracking of fuel oil Steam reforming of naphtha Combustion of sulphur Gasification of carbon Thermal cracking of fuel oil Steam reforming of naphtha Combustion of sulphur ANSWER DOWNLOAD EXAMIANS APP
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