Chemical Reaction Engineering Batch process is preferred over continuous process, when the Same equipment can not be used for several processes of the same nature Sales demand of product is not steady Product yields and quality can not be achieved in continuous process, because of long residence time All of these Same equipment can not be used for several processes of the same nature Sales demand of product is not steady Product yields and quality can not be achieved in continuous process, because of long residence time All of these 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 2τ 0.693τ τ/0.693 0.5τ 2τ 0.693τ τ/0.693 0.5τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion. None of these Ash layer Pore Film None of these Ash layer Pore Film 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? 2 1 Zero 3 2 1 Zero 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If helium is introduced in a reactor containing O₂, SO₂ and SO₃ at equilibrium, so that total pressure increases while volume and temperature remains constant. In this case the dissociation of SO₃ (as per Le Chatlier principle) Changes unpredictably Decreases Remains unaltered Increases Changes unpredictably Decreases Remains unaltered Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a zero order reaction, the concentration of product increases with the Increase of reaction time Decrease in total pressure Increase in initial concentration Total pressure Increase of reaction time Decrease in total pressure Increase in initial concentration Total pressure ANSWER DOWNLOAD EXAMIANS APP
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