Chemical Reaction Engineering When a catalyst increases the rate of chemical reaction, the rate constant Remains constant Becomes infinite Increases Decreases Remains constant Becomes infinite Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Transition state theory gives the rate constant as K α e-E/RT K α √T . e-E/RT K α eE/RT K α T . e-E/RT K α e-E/RT K α √T . e-E/RT K α eE/RT K α T . e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a continuous flow stirred tank reactor, the composition of the exit stream Is same as that in the reactor Depends upon the flow rate of inlet stream Is different than that in the reactor None of these Is same as that in the reactor Depends upon the flow rate of inlet stream Is different than that in the reactor None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method can be used to determine the __________ of the catalyst particle. Solid density All of these Porosity Pore volume Solid density All of these Porosity Pore volume 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 Neither A nor B Temperature Both A & B Pressure Neither A nor B Temperature Both A & B Pressure 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 None of these Diffusion within the pellet External mass transfer Reaction None of these Diffusion within the pellet External mass transfer Reaction ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS