Chemical Reaction Engineering Considering the endotheomic dissociation of CaCO₃ in a closed vessel (CaCO₃ ⇋ CaO + CO₂), the pressure of CO₂ increases, if An inert gas is pumped keeping the temperature constant The temperature is increased None of these A catalyst is added An inert gas is pumped keeping the temperature constant The temperature is increased None of these A catalyst is added ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction Is maximum at the exit of the reactor Is maximum at the inlet of the reactor Goes through a minimum along the length of the reactor Goes through a maximum along the length of the reactor Is maximum at the exit of the reactor Is maximum at the inlet of the reactor Goes through a minimum along the length of the reactor Goes through a maximum along the length of the reactor 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 Use CSTR with a high conversion, when a > b Use batch reactor or plug flow reactor, when a > b Avoid recycle, when a > b Use high pressure and eliminate inerts, when a > b Use CSTR with a high conversion, when a > b Use batch reactor or plug flow reactor, when a > b Avoid recycle, when a > b ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus Operates at very high pressure Is made entirely of stainless steel Measures the catalyst surface area directly None of these Operates at very high pressure Is made entirely of stainless steel Measures the catalyst surface area directly None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal P.F.R. at steady state conditions There is no lateral mixing of fluid There may be diffusion along the flow path The composition of reactants remains constant along a flow path The conversion of the reactant varies from point to point along a flow path There is no lateral mixing of fluid There may be diffusion along the flow path The composition of reactants remains constant along a flow path The conversion of the reactant varies from point to point along a flow path ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction? 1 2 Zero 3 1 2 Zero 3 ANSWER DOWNLOAD EXAMIANS APP
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