Chemical Reaction Engineering In case of staged packed bed reactors carrying out exothermic reaction, use High recycle for pure gas Plug flow for dilute liquid requiring no large preheating of feed All of these Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature High recycle for pure gas Plug flow for dilute liquid requiring no large preheating of feed All of these Cold shot operations for a dilute solution requiring large preheating to bring the stream upto the reaction temperature 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 τ/0.693 0.693τ 0.5τ 2τ τ/0.693 0.693τ 0.5τ 2τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Knudsen diffusion is directly proportional to 1/√T √T T T₂ 1/√T √T T T₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. Ash diffusion Chemical reaction Gas film diffusion None of these Ash diffusion Chemical reaction Gas film diffusion None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not influenced by the Temperature Reactants concentration Number of molecules of reactants taking part in a reaction Catalyst Temperature Reactants concentration Number of molecules of reactants taking part in a reaction Catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fluidised bed reactor is characterised by Absence of continuous catalyst regeneration facility Very small pressure drop Uniformity of temperature Comparatively smaller equipment Absence of continuous catalyst regeneration facility Very small pressure drop Uniformity of temperature Comparatively smaller equipment ANSWER DOWNLOAD EXAMIANS APP
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