Chemical Reaction Engineering The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called Operational yield None of these Relative yield Selectivity Operational yield None of these Relative yield Selectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 16 8 2 4 16 8 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Batch process is preferred over continuous process, when the Sales demand of product is not steady Product yields and quality can not be achieved in continuous process, because of long residence time All of these Same equipment can not be used for several processes of the same nature Sales demand of product is not steady Product yields and quality can not be achieved in continuous process, because of long residence time All of these Same equipment can not be used for several processes of the same nature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of staged packed bed reactors carrying out exothermic reaction, use Plug flow for dilute liquid requiring no large preheating of feed High recycle for pure gas All of these Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature Plug flow for dilute liquid requiring no large preheating of feed High recycle for pure gas All of these Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers 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 Provide large surface area with a small amount of active material ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Find a mechanism that is consistent with the rate equation and reaction given below: 2A + B → A₂B, ( - rA) = k.CA.CB A + B ⇋ AB ; AB + A → A₂B A + A ⇋ AA;AA + B → A₂B A + B ⇋ AB;AB + A → A₂B A + A ⇋ AA;AA + B → A₂B A + B ⇋ AB ; AB + A → A₂B A + A ⇋ AA;AA + B → A₂B A + B ⇋ AB;AB + A → A₂B A + A ⇋ AA;AA + B → A₂B ANSWER DOWNLOAD EXAMIANS APP
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