Chemical Reaction Engineering When an exothermic reversible reaction is conducted adiabatically, the rate of reaction Passes through a maximum Continuously decreases Passes through a minimum Continuously increases Passes through a maximum Continuously decreases Passes through a minimum Continuously increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Helium-mercury method is used for the measurement of the __________ of the catalyst. Surface area Both B & C Porosity Pore volume Surface area Both B & C Porosity Pore volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering To maximise the formation of R in the simultaneous reactionA + B → R , rR = 2CA0.5.CB2 A + B → S , rS = 1.5 CA . CB We should have Low CA, low CB High CA, high CB High CA, low CB Low CA, high CB Low CA, low CB High CA, high CB High CA, low CB Low CA, high CB ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Increases Decreases Can either increase or decrease (depends on the type of catalyst) Remains unaffected Increases Decreases Can either increase or decrease (depends on the type of catalyst) Remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The gas phase reaction 2A ⇋ B is carried out in an isothermal plug flow reactor. The feed consists of 80 mole % A and 20 mole % inerts. If the conversion of A at the reactor exit is 50%, then CA/CA0 at the outlet of the reactor is 43898 43959 43833 43864 43898 43959 43833 43864 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 Pressure Both A & B Temperature Neither A nor B Pressure Both A & B Temperature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP