Chemical Reaction Engineering Participation of __________ is involved in the occurrence of a chemical reaction. Electrons Neutrons Protons None of these Electrons Neutrons Protons None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to All of these Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component All of these Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface Loss in surface area of the active component 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 The intrinsic activation energy E (E + ED) where ED is activation due to diffusion ED/2 (E + ED)/2 The intrinsic activation energy E (E + ED) where ED is activation due to diffusion ED/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the reaction, X → Y, quadruples when the concentration of 'X' is doubled. The rate expression for the reaction is, r = K Cxn, the value of 'n' in this case will be 1 3 2 1 3 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield. Equals Is greater than Can be either greater or smaller than (depends on the type of reaction) Is smaller than Equals Is greater than Can be either greater or smaller than (depends on the type of reaction) Is smaller than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A space time of 3 hours for a flow reactor means that 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 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 ANSWER DOWNLOAD EXAMIANS APP
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