Chemical Reaction Engineering Fluid flow in a real packed bed can be approximated as __________ model. Mixed flow Plug flow Tank in series Dispersion Mixed flow Plug flow Tank in series Dispersion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal P.F.R. at steady state conditions There is no lateral mixing of fluid The composition of reactants remains constant along a flow path There may be diffusion along the flow path The conversion of the reactant varies from point to point along a flow path There is no lateral mixing of fluid The composition of reactants remains constant along a flow path There may be diffusion along the flow path The conversion of the reactant varies from point to point along a flow path ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at Low temperature in a CSTR High temperature in a PFR Low temperature in a PFR High temperature in a CSTR Low temperature in a CSTR High temperature in a PFR Low temperature in a PFR High temperature in a CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not affected by the Reactant's concentration Number of molecules of reactants taking part in the reaction Catalyst Temperature Reactant's concentration Number of molecules of reactants taking part in the reaction Catalyst Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion) Decreases Increases linearly Increases Remains same Decreases Increases linearly Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Reverse reaction in a chemical equilibrium is favoured by the Removal of one of the products regularly Increase in the concentration of oneof the products None of these Increase in the concentration of one of the reactants Removal of one of the products regularly Increase in the concentration of oneof the products None of these Increase in the concentration of one of the reactants ANSWER DOWNLOAD EXAMIANS APP
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