Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides Higher overall selectivity for a first order consecutive reaction More uniform operating conditions All of these Permits operation at the optimum temperature for a long reaction time Higher overall selectivity for a first order consecutive reaction More uniform operating conditions All of these Permits operation at the optimum temperature for a long reaction time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? Pore diffusion All of these Form of surface attack by poison Decay reactions Pore diffusion All of these Form of surface attack by poison Decay reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From Arhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is K cal K cal/°K °K K cal. °K K cal K cal/°K °K K cal. °K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Velocity of a reaction depends upon the Nature of the reactants All of these Concentration of the reactants Temperature at which the reaction is carried Nature of the reactants All of these Concentration of the reactants Temperature at which the reaction is carried ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant of a catalytic chemical reaction __________ due to the presence of a catalyst. Remains unaffected Increases Unpredictable from the data Decreases Remains unaffected Increases Unpredictable from the data Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes. 6 24 18 12 6 24 18 12 ANSWER DOWNLOAD EXAMIANS APP
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