Chemical Reaction Engineering A high space velocity means that a given Reaction can be accomplished with small reactor Both A and B Conversion can be obtained with a high feed rate None of these Reaction can be accomplished with small reactor Both A and B Conversion can be obtained with a high feed rate None of these 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 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 Langmuir None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For series reaction, the relative yield Statement in A is wrong Is always greater for plug-flow reactor than for the single CSTR of the same volume Decreases with increasing conversion Both A and C hold good Statement in A is wrong Is always greater for plug-flow reactor than for the single CSTR of the same volume Decreases with increasing conversion Both A and C hold good ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus) Tan hT/tan T Tan T/T None of these Tan hT/T Tan hT/tan T Tan T/T None of these Tan hT/T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The performance of a cascade of CSTR's can be improved by adding More CSTR's in parallel A P.F. reactor in parallel A P.F. reactor in series More CSTR's in series More CSTR's in parallel A P.F. reactor in parallel A P.F. reactor in series More CSTR's in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Molecularity of an elementary reaction, P + Q → R + S is 1 2 4 3 1 2 4 3 ANSWER DOWNLOAD EXAMIANS APP