Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) None of these Independent of temperature ∝ 1/CA ∝ CA None of these Independent of temperature ∝ 1/CA ∝ CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Catalyst is a substance, which __________ chemical reaction. Can either increase or decrease the speed of a Increases the speed of a Alters the value of equilibrium constant in a reversible Decreases the speed of a Can either increase or decrease the speed of a Increases the speed of a Alters the value of equilibrium constant in a reversible Decreases the speed of a ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carrier in a catalyst increases its Surface area None of these Activity Performance Surface area None of these Activity Performance ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For all positive reaction orders for a particular duty, Density variation during reaction affects design Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Reactor size is independent of the type of flow Mixed reactor is always larger than the plug-flow reactor Density variation during reaction affects design Ratio of the volume of the mixed reactor to that of the plug-flow reactor decreases with order Reactor size is independent of the type of flow Mixed reactor is always larger than the plug-flow reactor 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 Sometimes, batch process is preferred over continuous process, when the product Both A & B Sales demand is fluctuating Neither A nor B Quality & yield can not be achieved in continuous processes, because of long residence time Both A & B Sales demand is fluctuating Neither A nor B Quality & yield can not be achieved in continuous processes, because of long residence time ANSWER DOWNLOAD EXAMIANS APP
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