Chemical Reaction Engineering A first order reaction requires two equal sized CSTR. The conversion is More when they are connected in parallel More when they are connected in series Less when they are connected in series Same whether they are connected in series or in parallel More when they are connected in parallel More when they are connected in series Less when they are connected in series Same whether they are connected in series or in parallel 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 There is no dynamic equilibrium between successive layer None of these 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 There is no dynamic equilibrium between successive layer None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The optimum performance for reactors operating in parallel is obtained when the feed stream is distributed in such a way, that the None of these Larger reactors have more space time compared to smaller ones Space time for each parallel line is same Space time for parallel lines is different None of these Larger reactors have more space time compared to smaller ones Space time for each parallel line is same Space time for parallel lines is different ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Variables affecting the rate of homogeneous reactions are Temperature and composition only Pressure, temperature and composition Pressure and temperature only Pressure and composition only Temperature and composition only Pressure, temperature and composition Pressure and temperature only Pressure and composition only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter. Initiates a chemical reaction and is a catalyst by itself Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Atlers the position of equilibrium in a reversible reaction All of these Initiates a chemical reaction and is a catalyst by itself Increases the number of active centres by increasing the unevenness of catalyst surface and by creating discontinuities in the crystals Atlers the position of equilibrium in a reversible reaction All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction in which doubling the initial concentration of the reactants doubles the half life time of the reaction? Zero 2 3 1 Zero 2 3 1 ANSWER DOWNLOAD EXAMIANS APP
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