Chemical Reaction Engineering Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature? Useful volume of the tank Diameter of the reactor None of these Time Useful volume of the tank Diameter of the reactor None of these Time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. ∞ > 0.5 0 < 0.5 ∞ > 0.5 0 < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The dispersion number of perfect mixed flow is ∞ < 2100 > 150 ∞ < 2100 > 150 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From among the following, choose one which is not an exothermic process. Catalytic cracking Oxidation of sulphur Ammonia synthesis Methanol synthesis Catalytic cracking Oxidation of sulphur Ammonia synthesis Methanol synthesis ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering According to Arhenious equation of temperature dependency of rate constant for an elementary reaction K ∝ T e-E/RT None of these K ∝ √T K ∝ e-E/RT K ∝ T e-E/RT None of these K ∝ √T K ∝ e-E/RT 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 External mass transfer None of these Diffusion within the pellet Reaction External mass transfer None of these Diffusion within the pellet Reaction ANSWER DOWNLOAD EXAMIANS APP
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