Chemical Reaction Engineering Which of the following will give maximum gas conversion? Semi-fluidised bed reactor Fluidised bed reactor Plug-flow catalytic reactor Fixed bed reactor Semi-fluidised bed reactor Fluidised bed reactor Plug-flow catalytic reactor Fixed bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of __________ reactions, the reaction rate does not decrease appreciably as the reaction proceeds. Auto catalytic Series Parallel Catalytic Auto catalytic Series Parallel Catalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value. None of these Equal Twice Half None of these Equal Twice Half ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b Avoid recycle, when a > b Use batch reactor or plug flow reactor, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b Avoid recycle, when a > b Use batch reactor or plug flow reactor, when a > b Use CSTR with a high conversion, when a > b Use high pressure and eliminate inerts, when a > b ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance. Either A, B or C Film diffusion Chemical reaction Diffusion through ash layer Either A, B or C Film diffusion Chemical reaction Diffusion through ash layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Transition state theory gives the rate constant as K α √T . e-E/RT K α e-E/RT K α eE/RT K α T . e-E/RT K α √T . e-E/RT K α e-E/RT K α eE/RT K α T . e-E/RT ANSWER DOWNLOAD EXAMIANS APP
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