Chemical Reaction Engineering The half life period of a first order reaction is Dependent on initial concentration of the reactants Proportional to the initial concentration of reactants Half the specific rate constant Always the same irrespective of the reaction Dependent on initial concentration of the reactants Proportional to the initial concentration of reactants Half the specific rate constant Always the same irrespective of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The decomposition of A into B is represented by the exothermic reaction, A ⇋ 2B. To achieve maximum decomposition, it is desirable to carry out the reaction. At high P and high T At high P and low T At low P and high T At low P and low T At high P and high T At high P and low T At low P and high T At low P and low T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A rise in temperature Does not affect a catalysed reaction All of these Does not affect photo-chemical reaction rates Normally tends to increase the reaction rate Does not affect a catalysed reaction All of these Does not affect photo-chemical reaction rates Normally tends to increase the reaction rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Pore diffusion Decay reactions Form of surface attack by poison All of these Pore diffusion Decay reactions Form of surface attack by poison All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Batch process is preferred over continuous process, when the Same equipment can not be used for several processes of the same nature Sales demand of product is not steady All of these Product yields and quality can not be achieved in continuous process, because of long residence time Same equipment can not be used for several processes of the same nature Sales demand of product is not steady All of these Product yields and quality can not be achieved in continuous process, because of long residence time 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. Proportional to Inversely proportional to Independent of Proportional to the square of Proportional to Inversely proportional to Independent of Proportional to the square of ANSWER DOWNLOAD EXAMIANS APP
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