Chemical Reaction Engineering For multiple reactions, the flow pattern within the vessel affects the Size requirement Neither A nor B Distribution of reaction products Both A and B Size requirement Neither A nor B Distribution of reaction products Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is a characteristic of an ideal plug flow reactor? Axial dispersion Uniform mixing Flat velocity profile None of these Axial dispersion Uniform mixing Flat velocity profile None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering "A spherical porous catalyst particle of radius R is subjected to reactant A which reacts to form B by a zero order surface reaction A → B. Film mass transfer resistance is negligible and pore diffusion of A is rate controlling. The effectiveness factor of the catalyst is reported as 7/8. Which of the following statement is true?A. Inner catalyst core of radius R/8 does not participate in reaction." Ffectiveness factor for a zero order reaction can not be 7/8 as it must always be 1 Inner catalyst core of radius R/2 does not participate in reaction Inner catalyst core of radius 7R/8 does not participate in reaction Inner catalyst core of radius R/8 does not participate in reaction Ffectiveness factor for a zero order reaction can not be 7/8 as it must always be 1 Inner catalyst core of radius R/2 does not participate in reaction Inner catalyst core of radius 7R/8 does not participate in reaction Inner catalyst core of radius R/8 does not participate in reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter Slow reactions in catalyst of large pore diameter Fast reactions in catalyst of small pore diameter Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter Slow reactions in catalyst of large pore diameter Fast reactions in catalyst of small pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides 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 Higher overall selectivity for a first order consecutive reaction More uniform operating conditions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction between oxygen and organic material is a/an __________ reaction. Endothermic Biochemical Photochemical Exothermic Endothermic Biochemical Photochemical Exothermic ANSWER DOWNLOAD EXAMIANS APP
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