Chemical Reaction Engineering Exposure of a photographic plate to produce a latent image is an example of __________ reaction. Very fast Very slow Both B and C Photochemical Very fast Very slow Both B and C Photochemical ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Specific rate constant for a second order reaction Depends on the nature of the reactants Is independent of temperature Varies with temperature Both B and C Depends on the nature of the reactants Is independent of temperature Varies with temperature Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A high space velocity means that a given None of these Reaction can be accomplished with small reactor Both A and B Conversion can be obtained with a high feed rate None of these Reaction can be accomplished with small reactor Both A and B Conversion can be obtained with a high feed rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor? Very high temperature should be used throughout the reaction None of these Temperature should be high in the beginning and decreased towards the end of the reaction Very low temperature should be used throughout the reaction Very high temperature should be used throughout the reaction None of these Temperature should be high in the beginning and decreased towards the end of the reaction Very low temperature should be used throughout the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a semi-batch reactor Both the reactants flow counter-currently Maximum conversion can be controlled Residence time is constant Velocity of reaction can be controlled Both the reactants flow counter-currently Maximum conversion can be controlled Residence time is constant Velocity of reaction can be controlled ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction A → B occurs in an isothermal porous catalyst pellet of spherical shape. If the concentration of A at the centre of the pellet is much less than at the external surface, the process is limited by None of these Reaction External mass transfer Diffusion within the pellet None of these Reaction External mass transfer Diffusion within the pellet ANSWER DOWNLOAD EXAMIANS APP
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