Chemical Reaction Engineering Promoter is added to the catalyst to improve its Surface area Porosity None of these Sensitivity Surface area Porosity None of these Sensitivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 2 16 8 4 2 16 8 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a characteristic of an ideal plug flow reactor? Uniform mixing Flat velocity profile Axial dispersion None of these Uniform mixing Flat velocity profile Axial dispersion None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) None of these ∝ 1/CA Independent of temperature ∝ CA None of these ∝ 1/CA Independent of temperature ∝ CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance. Film diffusion Chemical reaction Either A, B or C Diffusion through ash layer Film diffusion Chemical reaction Either A, B or C Diffusion through ash layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Reverse reaction in a chemical equilibrium is favoured by the None of these Increase in the concentration of one of the reactants Increase in the concentration of oneof the products Removal of one of the products regularly None of these Increase in the concentration of one of the reactants Increase in the concentration of oneof the products Removal of one of the products regularly ANSWER DOWNLOAD EXAMIANS APP
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