Chemical Reaction Engineering Differential method for analysing the kinetic data is used For testing complicated mechanisms When rate expressions are very simple When the data are scattered None of these For testing complicated mechanisms When rate expressions are very simple When the data are scattered None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is None of these Half of the space time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value Half of the residence time of a reaction None of these Half of the space time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value Half of the residence time of a reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A backmix reactor Is same as ideal stirred tank reactor Employs mixing in axial direction only Is same as plug-flow reactor Is most suitable for gas phase reaction Is same as ideal stirred tank reactor Employs mixing in axial direction only Is same as plug-flow reactor Is most suitable for gas phase reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an ideal plug flow reactor, the value of Peclet number is 10 0 1 ∞ 10 0 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photochemical reaction rate does not depend significantly on temperature, because It is an exothermic reaction It is a reversible reaction The energy of reacting molecules exceeds the activation energy by absorption of light None of these It is an exothermic reaction It is a reversible reaction The energy of reacting molecules exceeds the activation energy by absorption of light None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given value of E/R (ratio of activation energy and gas constant), the ratio of the rate constants at 500°K and 400°K is 2, if Arrhenious law is used. What will be this ratio, if transition state theory is used with the same value of E/R? 2.5 2 1.6 2.24 2.5 2 1.6 2.24 ANSWER DOWNLOAD EXAMIANS APP