Chemical Reaction Engineering The units of frequency factor in Arhenious equation Depend on the order of the reaction Depend on temperature, pressure etc. of the reaction Are the same as those of the rate constant Are cycles per unit time Depend on the order of the reaction Depend on temperature, pressure etc. of the reaction Are the same as those of the rate constant Are cycles per unit time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From collison theory, the reaction rate constant is proportional to Exp(- E/2RT) √T Tm.exp(- E/RT) Exp(- E/RT) Exp(- E/2RT) √T Tm.exp(- E/RT) Exp(- E/RT) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Slurry reactors are characterised by the Presence of two mobile phases Both A and B Lack of intraparticle diffusion resistance Neither A nor B Presence of two mobile phases Both A and B Lack of intraparticle diffusion resistance Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Exponentially with time Very abruptly towards the end of the reaction Linearly with time Logarithmically with time Exponentially with time Very abruptly towards the end of the reaction Linearly with time Logarithmically with time 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 Reaction None of these External mass transfer Diffusion within the pellet Reaction None of these External mass transfer Diffusion within the pellet ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase zero order irreversible reaction A → B, the conversion of A in a CSTR is found to be 0.3 at a space velocity of 0.1min⁻¹ . What will be the conversion for a PFR with a space velocity of 0.2 min⁻¹? Assume that all the other operating conditions are the same for CSTR and PFR. 0.15 0.9 0.6 0.3 0.15 0.9 0.6 0.3 ANSWER DOWNLOAD EXAMIANS APP
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