Chemical Reaction Engineering Space time equals the mean residence time For narrow diameter tubular reactor When the density of the reaction mixture is constant For CSTR For large diameter tubular reactor For narrow diameter tubular reactor When the density of the reaction mixture is constant For CSTR For large diameter tubular reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Shift conversion reaction Converts N₂ and H₂ into NH₃ Converts CO to CO₂ with steam Is non-catalytic Is highly exothermic Converts N₂ and H₂ into NH₃ Converts CO to CO₂ with steam Is non-catalytic Is highly exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a tubular reactor with space time 'τ' and residence time 'θ', the following statement holds good. τ = θ , for a non-isothermal reactor τ and θ are always equal τ = θ , when the fluid density changes in the reactor τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant τ = θ , for a non-isothermal reactor τ and θ are always equal τ = θ , when the fluid density changes in the reactor τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be 0.693τ 2τ τ/0.693 0.5τ 0.693τ 2τ τ/0.693 0.5τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides More uniform operating conditions All of these Higher overall selectivity for a first order consecutive reaction Permits operation at the optimum temperature for a long reaction time More uniform operating conditions All of these Higher overall selectivity for a first order consecutive reaction Permits operation at the optimum temperature for a long reaction time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a zero order reaction, the concentration of product increases with the Total pressure Increase in initial concentration Decrease in total pressure Increase of reaction time Total pressure Increase in initial concentration Decrease in total pressure Increase of reaction time ANSWER DOWNLOAD EXAMIANS APP
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