Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED)/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ED/2 (E + ED)/2 (E + ED) where ED is activation due to diffusion The intrinsic activation energy E ED/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A space time of 3 hours for a flow reactor means that Conversion is cent per cent after three hours It takes three hours to dump the entire volume of the reactor with feed Three reactor volumes of feed can be processed every hour The time required to process one reactor volume of feed (measured at specified conditions) is 3 hours Conversion is cent per cent after three hours It takes three hours to dump the entire volume of the reactor with feed Three reactor volumes of feed can be processed every hour The time required to process one reactor volume of feed (measured at specified conditions) is 3 hours ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature. Is always equal to Is always less than Is always greater than May be greater or less than Is always equal to Is always less than Is always greater than May be greater or less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst inhibitor Lessens its selectivity All of these Is added in small quantity during the catalyst manufacture itself May be useful for suppressing undesirable side reactions Lessens its selectivity All of these Is added in small quantity during the catalyst manufacture itself May be useful for suppressing undesirable side reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism. Independent of Inversely proportional to Proportional to the square of Proportional to Independent of Inversely proportional to Proportional to the square of Proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst promoter Itself has very high activity All of these Acts as a catalyst support Improves the activity of a catalyst Itself has very high activity All of these Acts as a catalyst support Improves the activity of a catalyst ANSWER DOWNLOAD EXAMIANS APP
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