Chemical Reaction Engineering Catalyst is a substance, which __________ chemical reaction. Increases the speed of a Decreases the speed of a Alters the value of equilibrium constant in a reversible Can either increase or decrease the speed of a Increases the speed of a Decreases the speed of a Alters the value of equilibrium constant in a reversible Can either increase or decrease the speed of a 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
Chemical Reaction Engineering Promoter is added to the catalyst to improve its Sensitivity Porosity Surface area None of these Sensitivity Porosity Surface area None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction between oxygen and organic material is a/an __________ reaction. Endothermic Exothermic Photochemical Biochemical Endothermic Exothermic Photochemical Biochemical ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Kinetics of a solid catalysed reaction can best be studied in a __________ reactor. Mixed Batch None of these Plug-flow Mixed Batch None of these Plug-flow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sometimes, batch process is preferred over continuous process, when the product Neither A nor B Both A & B Sales demand is fluctuating Quality & yield can not be achieved in continuous processes, because of long residence time Neither A nor B Both A & B Sales demand is fluctuating Quality & yield can not be achieved in continuous processes, because of long residence time ANSWER DOWNLOAD EXAMIANS APP
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