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 τ/0.693 0.693τ 0.5τ 2τ τ/0.693 0.693τ 0.5τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering BET apparatus Measures the catalyst surface area directly Operates at very high pressure None of these Is made entirely of stainless steel Measures the catalyst surface area directly Operates at very high pressure None of these Is made entirely of stainless steel ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the density of the reaction mixture is constant in a chemical reaction, the ratio of the mean residence time to space time is > 1 1 < 1 > 1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption. Both A and B Physical Neither A nor B Chemical Both A and B Physical Neither A nor B Chemical ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes are destroyed, when the Reactant's concentration is very high Reaction rate is independent of the reactant's concentration Temperature is very high Reactant's concentration is very low Reactant's concentration is very high Reaction rate is independent of the reactant's concentration Temperature is very high Reactant's concentration is very low ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume. Data insufficient; can't be predicted Less than More than Same as Data insufficient; can't be predicted Less than More than Same as ANSWER DOWNLOAD EXAMIANS APP
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