Chemical Reaction Engineering A batch reactor is Least expensive to operate for a given rate Suitable for gas-phase reactions on commercial scale Most suitable for very large production rate Suitable for liquid phase reactions involving small production rate Least expensive to operate for a given rate Suitable for gas-phase reactions on commercial scale Most suitable for very large production rate Suitable for liquid phase reactions involving small production rate ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called A ferment or an enzyme Haemoglobin None of these Fungi A ferment or an enzyme Haemoglobin None of these Fungi ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides Permits operation at the optimum temperature for a long reaction time Higher overall selectivity for a first order consecutive reaction All of these More uniform operating conditions Permits operation at the optimum temperature for a long reaction time Higher overall selectivity for a first order consecutive reaction All of these More uniform operating conditions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For all positive reaction orders for a particular duty, Density variation during reaction affects design Reactor size is independent of the type of flow 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 Density variation during reaction affects design Reactor size is independent of the type of flow 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 A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) ∝ CA Independent of temperature None of these ∝ 1/CA ∝ CA Independent of temperature None of these ∝ 1/CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Most important characteristics of gas-liquid reactors are the Both A and B None of these Liquid hold-up Specific inter-facial area Both A and B None of these Liquid hold-up Specific inter-facial area ANSWER DOWNLOAD EXAMIANS APP
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