Chemical Reaction Engineering Rate constant 'k' and absolute temperature 'T' are related by collision theory (for bimolecular) as k ∝ T k ∝ √T k ∝ exp(-E/RT) k ∝ T1.5 k ∝ T k ∝ √T k ∝ exp(-E/RT) k ∝ T1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides Higher overall selectivity for a first order consecutive reaction Permits operation at the optimum temperature for a long reaction time All of these More uniform operating conditions Higher overall selectivity for a first order consecutive reaction Permits operation at the optimum temperature for a long reaction time All of these More uniform operating conditions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Slurry reactors are characterised by the Presence of two mobile phases Neither A nor B Both A and B Lack of intraparticle diffusion resistance Presence of two mobile phases Neither A nor B Both A and B Lack of intraparticle diffusion resistance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will favour the reverse reaction in a chemical equilibrium reaction? None of these Removal of at least one of the products at regular interval Increasing the concentration of one or more of the products Increasing the concentration of one of the reactants None of these Removal of at least one of the products at regular interval Increasing the concentration of one or more of the products Increasing the concentration of one of the reactants ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Either A, B or C Chemical reaction Diffusion through ash layer Film diffusion Either A, B or C Chemical reaction Diffusion through ash layer Film diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The optimum performance for reactors operating in parallel is obtained when the feed stream is distributed in such a way, that the Space time for parallel lines is different Larger reactors have more space time compared to smaller ones None of these Space time for each parallel line is same Space time for parallel lines is different Larger reactors have more space time compared to smaller ones None of these Space time for each parallel line is same ANSWER DOWNLOAD EXAMIANS APP