Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Pore diffusion Film diffusion Chemical reaction Ash layer diffusion Pore diffusion Film diffusion Chemical reaction Ash layer diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Exothermic reactions are best carried out in CSTR followed by a plug flow reactor CSTR in series A plug flow reactor followed by CSTR A CSTR CSTR followed by a plug flow reactor CSTR in series A plug flow reactor followed by CSTR A CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Exposure of a photographic plate to produce a latent image is an example of __________ reaction. Very fast Both B and C Photochemical Very slow Very fast Both B and C Photochemical Very slow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. ∞ > 0.5 < 0.5 0 ∞ > 0.5 < 0.5 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following will give maximum gas conversion? Fixed bed reactor Plug-flow catalytic reactor Semi-fluidised bed reactor Fluidised bed reactor Fixed bed reactor Plug-flow catalytic reactor Semi-fluidised bed reactor Fluidised bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reason why a catalyst increases the rate of reaction is that, it Increases the activation energy None of these Decreases the energy barrier for reaction Decreases the molecular collision diameter Increases the activation energy None of these Decreases the energy barrier for reaction Decreases the molecular collision diameter ANSWER DOWNLOAD EXAMIANS APP
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