Chemical Reaction Engineering For an autocatalytic reactor, the suitable reactor set up is CSTR followed by P.F. reactor P.F. reactor followed by CSTR CSTR in series P.F. reactors in series CSTR followed by P.F. reactor P.F. reactor followed by CSTR CSTR in series P.F. reactors in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Organic catalysts differ from the inorganic catalyst in the sense that the former is Prohibitively costly Active at very high temperature only Proteinous in nature Active at cryogenic temperatures only Prohibitively costly Active at very high temperature only Proteinous in nature Active at cryogenic temperatures only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship. T ∝ 1/an + 1 T ∝ an T ∝ 1/an T ∝ 1/an - 1 T ∝ 1/an + 1 T ∝ an T ∝ 1/an T ∝ 1/an - 1 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 < 0.5 ∞ > 0.5 0 < 0.5 ∞ > 0.5 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 high pressure and eliminate inerts, when a > b Avoid recycle, when a > b Use CSTR with a high conversion, when a > b Use batch reactor or plug flow reactor, when a > b Use high pressure and eliminate inerts, when a > b Avoid recycle, when a > b Use CSTR with a high conversion, when a > b Use batch reactor or plug flow reactor, when a > b ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst is a substance, which __________ chemical reaction. Decreases the speed of a Increases the speed of a Can either increase or decrease the speed of a Alters the value of equilibrium constant in a reversible Decreases the speed of a Increases the speed of a Can either increase or decrease the speed of a Alters the value of equilibrium constant in a reversible ANSWER DOWNLOAD EXAMIANS APP
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