Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) None of these ∝ 1/CA Independent of temperature ∝ CA None of these ∝ 1/CA Independent of temperature ∝ CA ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time. Increase exponentially Decrease Remain unchanged Increase Increase exponentially Decrease Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Non-catalytic fluid-solid reactions are represented by __________ model. Continuous reaction Neither A and B Unreacted core Both A and B Continuous reaction Neither A and B Unreacted core Both A and B 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 Same whether they are connected in series or in parallel Less when they are connected in series More when they are connected in series More when they are connected in parallel Same whether they are connected in series or in parallel Less when they are connected in series More when they are connected in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal P.F.R. at steady state conditions There may be diffusion along the flow path The composition of reactants remains constant along a flow path There is no lateral mixing of fluid The conversion of the reactant varies from point to point along a flow path There may be diffusion along the flow path The composition of reactants remains constant along a flow path There is no lateral mixing of fluid The conversion of the reactant varies from point to point along a flow path ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of the heterogenous catalytic reaction A(g) + B(g) ? C(g) is given by -rA = k.KA.pA.PB/(1 + KA.PA + Kc.pc), where KA and Kc are the adsorption equilibrium constants. The rate controlling step for this reaction isA. absorption of A. Surface reaction between A in the gas phase and absorbed B Absorption of A Surface reaction between absorbed A and B in the gas phase Surface reaction between absorbed A and absorbed B Surface reaction between A in the gas phase and absorbed B Absorption of A Surface reaction between absorbed A and B in the gas phase Surface reaction between absorbed A and absorbed B ANSWER DOWNLOAD EXAMIANS APP
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