Chemical Reaction Engineering Which of the following factors control the deactivation of a porous catalyst pellet? All of these Form of surface attack by poison Pore diffusion Decay reactions All of these Form of surface attack by poison Pore diffusion Decay reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sum of the powers of the concentration terms in the rate equation is called the __________ of the reaction. Order None of these Molecularity Overall order Order None of these Molecularity Overall order ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst is a substance, which __________ chemical reaction. Alters the value of equilibrium constant in a reversible Decreases the speed of a Increases the speed of a Can either increase or decrease the speed of a Alters the value of equilibrium constant in a reversible Decreases the speed of a Increases the speed of a Can either increase or decrease the speed of a ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering From among the following, choose one which is not an exothermic process. Methanol synthesis Ammonia synthesis Catalytic cracking Oxidation of sulphur Methanol synthesis Ammonia synthesis Catalytic cracking Oxidation of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For all positive reaction orders for a particular duty, Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Density variation during reaction affects design Reactor size is independent of the type of flow Mixed reactor is always larger than the plug-flow reactor Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Density variation during reaction affects design Reactor size is independent of the type of flow Mixed reactor is always larger than the plug-flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter. Initiates a chemical reaction and is a catalyst by itself Atlers the position of equilibrium in a reversible reaction Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals All of these Initiates a chemical reaction and is a catalyst by itself Atlers the position of equilibrium in a reversible reaction Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals All of these ANSWER DOWNLOAD EXAMIANS APP