Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. > 0.5 ∞ 0 < 0.5 > 0.5 ∞ 0 < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Slurry reactors are characterised by the Lack of intraparticle diffusion resistance Neither A nor B Both A and B Presence of two mobile phases Lack of intraparticle diffusion resistance Neither A nor B Both A and B Presence of two mobile phases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor of a catalyst pellet is a measure of the __________ resistance. Chemical reaction Gas film Pore diffusion None of these Chemical reaction Gas film Pore diffusion None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Variables affecting the rate of homogeneous reactions are Pressure and composition only Pressure, temperature and composition Pressure and temperature only Temperature and composition only Pressure and composition only Pressure, temperature and composition Pressure and temperature only Temperature and composition only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases. Remains unaffected Unpredictable from the data Decreases Increases Remains unaffected Unpredictable from the data Decreases Increases 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 Use batch reactor or plug flow reactor, when a > b Use CSTR with a high conversion, when a > b Avoid recycle, when a > b Use high pressure and eliminate inerts, when a > b Use batch reactor or plug flow reactor, when a > b Use CSTR with a high conversion, when a > b Avoid recycle, when a > b Use high pressure and eliminate inerts, when a > b ANSWER DOWNLOAD EXAMIANS APP
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