Chemical Reaction Engineering Catalyst carriers Inhibit catalyst poisoning Have very high selectivity Provide large surface area with a small amount of active material Increase the activity of a catalyst Inhibit catalyst poisoning Have very high selectivity Provide large surface area with a small amount of active material Increase the activity of a catalyst 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 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 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 In chamber process of sulphuric acid manufacture in industry, the gas phase oxidation of SO₂ to SO₃ is accomplished by a __________ reaction. Catalytic homogenous Non-catalytic homogeneous Non-catalytic heterogeneous Catalytic heterogeneous Catalytic homogenous Non-catalytic homogeneous Non-catalytic heterogeneous Catalytic heterogeneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not influenced by the Catalyst Reactants concentration Temperature Number of molecules of reactants taking part in a reaction Catalyst Reactants concentration Temperature Number of molecules of reactants taking part in a reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A trickle bed reactor is the one, which Employs all the three phases (i.e.. .solid, liquid and gas) Processes three reactants with same flow rate Processes three reactants at different flow rates Has altogether three streams either entering or leaving Employs all the three phases (i.e.. .solid, liquid and gas) Processes three reactants with same flow rate Processes three reactants at different flow rates Has altogether three streams either entering or leaving ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time. Increase exponentially Increase Decrease Remain unchanged Increase exponentially Increase Decrease Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
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