Chemical Reaction Engineering The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor. Smaller than Equal to Unpredictable from the data Greater than Smaller than Equal to Unpredictable from the data Greater than 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 Bypass Chanelling Ideal plug flow Dead zone Bypass Chanelling Ideal plug flow Dead zone ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to 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 (E + ED)/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate determining step in a reaction consisting of a number of steps in series is the __________ step. Intermediate Data insufficient; can't be predicted Fastest Slowest Intermediate Data insufficient; can't be predicted Fastest Slowest 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 Proportional to the square of Inversely proportional to Proportional to Independent of Proportional to the square of Inversely proportional to Proportional to ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The excess energy of the reactants required to dissociate into products is known as the __________ energy. Threshold Binding Activation Thermal Threshold Binding Activation Thermal ANSWER DOWNLOAD EXAMIANS APP
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