Chemical Reaction Engineering The units of frequency factor in Arhenious equation Depend on temperature, pressure etc. of the reaction Are cycles per unit time Are the same as those of the rate constant Depend on the order of the reaction Depend on temperature, pressure etc. of the reaction Are cycles per unit time Are the same as those of the rate constant Depend on the order of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C. 256 112 512 612 256 112 512 612 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following fixes the volume of a batch reactor for a particular conversion and production rate? Operating conditions (e.g. pressure and temperature) Density of mixture Rate constant None of these Operating conditions (e.g. pressure and temperature) Density of mixture Rate constant None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Both A & B Neither A nor B Pressure Temperature Both A & B Neither A nor B Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An exothermic reaction takes place in an adiabatic reactor. The product temperature __________ reactor feed temperature. Is always less than May be greater or less than Is always equal to Is always greater than Is always less than May be greater or less than Is always equal to Is always greater than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When an exothermic reversible reaction is conducted adiabatically, the rate of reaction Passes through a minimum Passes through a maximum Continuously increases Continuously decreases Passes through a minimum Passes through a maximum Continuously increases Continuously decreases ANSWER DOWNLOAD EXAMIANS APP