Chemical Reaction Engineering The residence time distribution of an ideal CSTR is 1/τ (-t/τ) 1/τ exp (-t/τ) Τ exp (-t/τ) Exp(-t/τ) 1/τ (-t/τ) 1/τ exp (-t/τ) Τ exp (-t/τ) Exp(-t/τ) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When a high liquid hold up is required in a reactor for gas liquid reaction, use __________ coloumn. Spray Packed Bubble Tray Spray Packed Bubble Tray ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a Tubular reactor is preferred over a single CSTR for high yield Both A and B Single CSTR is the most suitable Batch reactor is preferred over a single CSTR for high yield Tubular reactor is preferred over a single CSTR for high yield Both A and B Single CSTR is the most suitable Batch reactor is preferred over a single CSTR for high yield ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED)/2 ED/2 The intrinsic activation energy E (E + ED) where ED is activation due to diffusion (E + ED)/2 ED/2 The intrinsic activation energy E (E + ED) where ED is activation due to diffusion 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 Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature All of these High recycle for pure gas Plug flow for dilute liquid requiring no large preheating of feed Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature All of these High recycle for pure gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Cold shot cooling is only practical when the feed temperature is __________ than the reaction temperature. Lower Much lower Higher Much higher Lower Much lower Higher Much higher ANSWER DOWNLOAD EXAMIANS APP
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