Chemical Reaction Engineering If the pore diffusion controls in a catalytic reaction, the apparent activation energy Ea is equal to The intrinsic activation energy E (E + ED) where ED is activation due to diffusion ED/2 (E + ED)/2 The intrinsic activation energy E (E + ED) where ED is activation due to diffusion ED/2 (E + ED)/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for isothermal operation? Fixed bed reactor Back-mix reactor Plug-flow reactor Batch reactor Fixed bed reactor Back-mix reactor Plug-flow reactor Batch reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Film diffusion Chemical reaction Either A, B or C Diffusion through ash layer Film diffusion Chemical reaction Either A, B or C Diffusion through ash layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an autocatalytic reactor, the suitable reactor set up is CSTR in series CSTR followed by P.F. reactor P.F. reactors in series P.F. reactor followed by CSTR CSTR in series CSTR followed by P.F. reactor P.F. reactors in series P.F. reactor followed by CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are None of these Equal in size Of such size that the ratio of their volumes is < 5 Of different sizes None of these Equal in size Of such size that the ratio of their volumes is < 5 Of different sizes ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the gaseous phase ammonia formation reaction (N₂ + 3H₂ ⇋ 2NH₃), the value of the equilibrium constant depends on the Total pressure of the system Temperature Volume of the reactor Initial concentration of N₂ and H₂ Total pressure of the system Temperature Volume of the reactor Initial concentration of N₂ and H₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS