Chemical Reaction Engineering Backmixing is most predominant in A plug-flow reactor A well stirred batch reactor CSTR's connected in series A single CSTR A plug-flow reactor A well stirred batch reactor CSTR's connected in series A single CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Most important characteristics of gas-liquid reactors are the None of these Specific inter-facial area Both A and B Liquid hold-up None of these Specific inter-facial area Both A and B Liquid hold-up ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption. Neither A nor B Both A and B Chemical Physical Neither A nor B Both A and B Chemical Physical ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Carbon particles accummulated on the catalyst used in the gas oil cracking lies in the category of __________ poison. Stability Chemisorbed Deposited Selectivity Stability Chemisorbed Deposited Selectivity 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? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a first order irreversible reaction A → B is K/2 Ln 0.5/k Ln 2/k Ln k/2 K/2 Ln 0.5/k Ln 2/k Ln k/2 ANSWER DOWNLOAD EXAMIANS APP