Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to √d D2 D D1.5 √d D2 D D1.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to (E + ED)/2 The intrinsic activation energy E ED/2 (E + ED) where ED is activation due to diffusion (E + ED)/2 The intrinsic activation energy E ED/2 (E + ED) where ED is activation due to diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If CA is the quantity of reactants initially present, the quantity left after 'n' half periods will be equal to (CA)1/n (1/2)n.CA (CA)1/2n (CA)n (CA)1/n (1/2)n.CA (CA)1/2n (CA)n ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion for a first order liquid phase reaction. A → B in a CSTR is 50%. If another CSTR of the same volume is connected in series, then the % conversion at the exit of the second reactor will be 90 60 75 100 90 60 75 100 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For high conversion in a highly exothermic solid catalysed reaction, use a __________ bed reactor. Fluidised bed reactor followed by a fixed Fixed bed reactor followed by a fluidised Fluidised Fixed Fluidised bed reactor followed by a fixed Fixed bed reactor followed by a fluidised Fluidised Fixed ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For multiple reactions, the flow pattern within the vessel affects the Distribution of reaction products Size requirement Both A and B Neither A nor B Distribution of reaction products Size requirement Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP