Chemical Reaction Engineering For a homogeneous reaction of nth order, the dimension of the rate constant is given by None of these (concentration)1 - n/(time) L/(time)n (concentration)n - 1/(time) None of these (concentration)1 - n/(time) L/(time)n (concentration)n - 1/(time) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reactions with low activation energy are Fast Slow Non-spontaneous Always spantaneous Fast Slow Non-spontaneous Always spantaneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two unequal sized CSTR. Which of the following gives higher yield ? Data insufficient, can Smaller reactor followed by larger one Either of the arrangement A or B will give the same yield Large reactor followed by smaller one Data insufficient, can Smaller reactor followed by larger one Either of the arrangement A or B will give the same yield Large reactor followed by smaller one ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion of a reactant, undergoing a first order reaction, at a time equal to three times the half life of the reaction is 0.875 Data insufficient to calculate 0.5 0.425 0.875 Data insufficient to calculate 0.5 0.425 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation? The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process Langmuir None of these There is no dynamic equilibrium between successive layer The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process Langmuir None of these There is no dynamic equilibrium between successive layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is characterised by Variation in extent of reaction and properties of the reaction mixture with time Variation in reactor volume Constant residence time Very low conversion Variation in extent of reaction and properties of the reaction mixture with time Variation in reactor volume Constant residence time Very low conversion ANSWER DOWNLOAD EXAMIANS APP
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