Chemical Reaction Engineering A high space velocity means that a given Reaction can be accomplished with small reactor Conversion can be obtained with a high feed rate Both A and B None of these Reaction can be accomplished with small reactor Conversion can be obtained with a high feed rate Both A and B 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 2.24 2 1.6 2.5 2.24 2 1.6 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt In the reactor At the inlet Averaged over the inlet and outlet At the outlet In the reactor At the inlet Averaged over the inlet and outlet At the outlet ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the design of a fluid-solid reactor? All of these Reaction kinetics for single particle, Size distribution of solids beingtreated Flow patterns of solids and fluid in the reactor All of these Reaction kinetics for single particle, Size distribution of solids beingtreated Flow patterns of solids and fluid in the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reactions of high molecularity are rare, because Of low probability of many body collisions Of very large activation energy of many bodies Of requirement of very large concentration for such reactions Many body collisions are not favoured energetically Of low probability of many body collisions Of very large activation energy of many bodies Of requirement of very large concentration for such reactions Many body collisions are not favoured energetically ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The exit age distribution curve E(t) for an ideal CSTR with the average residence time, τ, is given by 1 - (e-t/τ/T) 1 - e-t/τ E-t/τ E-t/τ/T 1 - (e-t/τ/T) 1 - e-t/τ E-t/τ E-t/τ/T ANSWER DOWNLOAD EXAMIANS APP
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