Chemical Reaction Engineering If 'n' is the order of reaction, then unit of rate constant is (time)n - 1 (concentration) None of these 1/(time)(concentration)n - 1 (time)-1 (concentration)n - 1 (time)n - 1 (concentration) None of these 1/(time)(concentration)n - 1 (time)-1 (concentration)n - 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Diffusion through ash layer Chemical reaction Film diffusion Either A, B or C Diffusion through ash layer Chemical reaction Film diffusion Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is Least expensive to operate for a given rate Suitable for gas-phase reactions on commercial scale Suitable for liquid phase reactions involving small production rate Most suitable for very large production rate Least expensive to operate for a given rate Suitable for gas-phase reactions on commercial scale Suitable for liquid phase reactions involving small production rate Most suitable for very large production rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An example of autothermal reactor operation is Ethylene oxidation Benzene oxidation Ammonia synthesis Sulphur dioxide oxidation Ethylene oxidation Benzene oxidation Ammonia synthesis Sulphur dioxide oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Covering of the catalytic active sites by a foregin substance Loss in surface area of the active component All of these Agglomeration of metal particles caused by thermal sintering of the solid surface Covering of the catalytic active sites by a foregin substance Loss in surface area of the active component ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy. Threshold Potential Activation Binding Threshold Potential Activation Binding ANSWER DOWNLOAD EXAMIANS APP
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