Chemical Reaction Engineering Photo-chemical reactions occur in presence of Solid catalysts Monochromatic radiation only Sunlight Darkness Solid catalysts Monochromatic radiation only Sunlight Darkness 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 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 There is no dynamic equilibrium between successive layer Langmuir 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 There is no dynamic equilibrium between successive layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction Remains unaffected Decreases Increases Increases linearly with temperature Remains unaffected Decreases Increases Increases linearly with temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a gaseous phase reaction, rate of reaction is equal to K. CA . CB. If the volume of the reactor is suddenly reduced to l/4th of its initial volume, then the rate of reaction compared to the original rate will be __________ times. 43838 16 43846 8 43838 16 43846 8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only? Second Zero Third First Second Zero Third First ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the order of reaction (for all positive reaction orders), the ratio of the volume of mixed reactor to the volume of plug flow reactor (for identical feed composition, flow rate and conversion) Increases linearly Remains same Increases Decreases Increases linearly Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP