Chemical Reaction Engineering The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. Zero First None of these Second Zero First None of these Second ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Slurry reactors are characterised by the Lack of intraparticle diffusion resistance Both A and B Presence of two mobile phases Neither A nor B Lack of intraparticle diffusion resistance Both A and B Presence of two mobile phases Neither A nor B 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) None of these Tan hT/T Tan T/T Tan hT/tan T None of these Tan hT/T Tan T/T Tan hT/tan T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors. Both conversion as well as concentration are same None of these Conversion in both will be the same but concentrations will be different Both the conversion as well as concentrations will be different Both conversion as well as concentration are same None of these Conversion in both will be the same but concentrations will be different Both the conversion as well as concentrations will be different ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a mixed flow reactor operating at steady state, the rate of reaction is given by - dCsub>A/dt FA0/V . Xsub>A FA0/V + dCsub>A/dt FA0/V - dCsub>A/dt - dCsub>A/dt FA0/V . Xsub>A FA0/V + dCsub>A/dt FA0/V - dCsub>A/dt ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate expression for a heterogenous catalytic reaction is given by, - rA = K.KA PA(1 + KA.PA + Kr.PR), where K is surface reaction rate constant and KA and KR are absorption equilibrium constants of A and R respectively. If KR PR >> (1 + KA PA), the apparent activation energy EA is equal to (given E is the activation energy for the reaction and ΔHR and ΔHA are the activation energies of adsorption of R and A) E + ΔHA ΔHA + ΔHR E E + ΔHA - ΔHR E + ΔHA ΔHA + ΔHR E E + ΔHA - ΔHR ANSWER DOWNLOAD EXAMIANS APP
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