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 0.5τ 2τ 0.693τ τ/0.693 0.5τ 2τ 0.693τ τ/0.693 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The importance of diffusion in a catalyst are increased by Small pore diameter Large catalyst particle size An active surface of the catalyst All of these Small pore diameter Large catalyst particle size An active surface of the catalyst All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a CSTR __________ varies with time. Neither A nor B Reaction rate Concentration Both A & B Neither A nor B Reaction rate Concentration Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The catalyst in a first order chemical reaction changes the Activation energy Equilibrium constant Heat of reaction Heat of formation of the product Activation energy Equilibrium constant Heat of reaction Heat of formation of the product ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Semibatch reactor is preferred, when a/an A highly exothermic reaction is to be controlled A gas is to be reacted with liquid (e.g. hydrogenation of fat) All of these Undersirable side reaction (at high concentration of one of the reactants) is to be avoided A highly exothermic reaction is to be controlled A gas is to be reacted with liquid (e.g. hydrogenation of fat) All of these Undersirable side reaction (at high concentration of one of the reactants) is to be avoided ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant K of a chemical reaction depends on Temperature only Pressure only Temperature and pressure Ratio of reactants Temperature only Pressure only Temperature and pressure Ratio of reactants ANSWER DOWNLOAD EXAMIANS APP
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