Chemical Reaction Engineering Participation of __________ is involved in the occurrence of a chemical reaction. Electrons Neutrons None of these Protons Electrons Neutrons None of these Protons ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Chemical reaction Either A, B or C Film diffusion Diffusion through ash layer Chemical reaction Either A, B or C Film diffusion Diffusion through ash layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A second order reaction of the form A + B → C is called a pseudo-first order reaction, when CB0 ≥ CB0 CA0 = CB0 CA0 > CB0 CB0 > CA0 CB0 ≥ CB0 CA0 = CB0 CA0 > CB0 CB0 > CA0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering n' number of plug flow reactors (P.F.R) in series with a total volume 'V' gives the same conversion as one P.F.R. of volume V/n 1/V V.n V V/n 1/V V.n V ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a zero order reaction, the concentration of product increases with the Decrease in total pressure Increase in initial concentration Increase of reaction time Total pressure Decrease in total pressure Increase in initial concentration Increase of reaction time Total pressure 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? 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 Langmuir ANSWER DOWNLOAD EXAMIANS APP
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