Chemical Reaction Engineering The half life period of a first order reaction is Half the specific rate constant Proportional to the initial concentration of reactants Dependent on initial concentration of the reactants Always the same irrespective of the reaction Half the specific rate constant Proportional to the initial concentration of reactants Dependent on initial concentration of the reactants Always the same irrespective of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For series reaction, the relative yield Is always greater for plug-flow reactor than for the single CSTR of the same volume Statement in A is wrong Decreases with increasing conversion Both A and C hold good Is always greater for plug-flow reactor than for the single CSTR of the same volume Statement in A is wrong Decreases with increasing conversion Both A and C hold good ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Considering the endotheomic dissociation of CaCO₃ in a closed vessel (CaCO₃ ⇋ CaO + CO₂), the pressure of CO₂ increases, if An inert gas is pumped keeping the temperature constant A catalyst is added None of these The temperature is increased An inert gas is pumped keeping the temperature constant A catalyst is added None of these The temperature is increased ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇋ Y, in which the Equilibrium constant is infinite Fractional conversion of All of these Concentration of Equilibrium constant is infinite Fractional conversion of All of these Concentration of ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two equal sized CSTR. The conversion is More when they are connected in parallel Less when they are connected in series Same whether they are connected in series or in parallel More when they are connected in series More when they are connected in parallel Less when they are connected in series Same whether they are connected in series or in parallel More when they are connected in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour None of these The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The unit of space velocity is (time)⁻¹ The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour None of these The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The unit of space velocity is (time)⁻¹ ANSWER DOWNLOAD EXAMIANS APP
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