Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides Permits operation at the optimum temperature for a long reaction time More uniform operating conditions All of these Higher overall selectivity for a first order consecutive reaction Permits operation at the optimum temperature for a long reaction time More uniform operating conditions All of these Higher overall selectivity for a first order consecutive reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Temperature Neither A nor B Pressure Both A & B Temperature Neither A nor B Pressure Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only? First Third Second Zero First Third Second Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The single parameter model proposed for describing non-ideal flow is the __________ model. Both A & B Dispersion Neither A nor B Tank in series Both A & B Dispersion Neither A nor B Tank in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is The time required to reduce the concentration of the reacting substance to half its initial value Half of the residence time of a reaction Half of the space time of a reaction None of these The time required to reduce the concentration of the reacting substance to half its initial value Half of the residence time of a reaction Half of the space time of a reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For multiple reactions, the flow pattern within the vessel affects the Neither A nor B Size requirement Both A and B Distribution of reaction products Neither A nor B Size requirement Both A and B Distribution of reaction products ANSWER DOWNLOAD EXAMIANS APP
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