Chemical Reaction Engineering Fluid flow in a real packed bed can be approximated as __________ model. Dispersion Plug flow Mixed flow Tank in series Dispersion Plug flow Mixed flow Tank in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For all positive reaction orders for a particular duty, Reactor size is independent of the type of flow Density variation during reaction affects design Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Mixed reactor is always larger than the plug-flow reactor Reactor size is independent of the type of flow Density variation during reaction affects design Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Mixed reactor is always larger than the plug-flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal P.F.R. at steady state conditions 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 may be diffusion along the flow path There is no lateral mixing of fluid 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 may be diffusion along the flow path There is no lateral mixing of fluid ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reactions of high molecularity are rare, because Of low probability of many body collisions Of requirement of very large concentration for such reactions Many body collisions are not favoured energetically Of very large activation energy of many bodies Of low probability of many body collisions Of requirement of very large concentration for such reactions Many body collisions are not favoured energetically Of very large activation energy of many bodies ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to None of these Lose an electron Gain a proton Lose a proton None of these Lose an electron Gain a proton Lose a proton ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 16 8 2 4 16 8 2 4 ANSWER DOWNLOAD EXAMIANS APP
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