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 External mass transfer Diffusion within the pellet None of these Reaction External mass transfer Diffusion within the pellet None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor of a catalyst pellet is a measure of the __________ resistance. Pore diffusion Chemical reaction Gas film None of these Pore diffusion Chemical reaction Gas film None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst carriers Increase the activity of a catalyst Have very high selectivity Provide large surface area with a small amount of active material Inhibit catalyst poisoning Increase the activity of a catalyst Have very high selectivity Provide large surface area with a small amount of active material Inhibit catalyst poisoning ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm. Freundlich Tempkin None of these Langmuir Freundlich Tempkin None of these Langmuir ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Chemical reaction rate of a component depends upon the Composition of the component only All of these Pressure of the system Temperature of the system Composition of the component only All of these Pressure of the system Temperature of the system ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction Is maximum at the inlet of the reactor Goes through a maximum along the length of the reactor Is maximum at the exit of the reactor Goes through a minimum along the length of the reactor Is maximum at the inlet of the reactor Goes through a maximum along the length of the reactor Is maximum at the exit of the reactor Goes through a minimum along the length of the reactor ANSWER DOWNLOAD EXAMIANS APP
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