Chemical Reaction Engineering Which of the following does not produce a change in the value of rate constant of a reaction? Concentration and catalyst Temperature Pressure None of these Concentration and catalyst Temperature Pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value. None of these Half Equal Twice None of these Half Equal Twice ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An irreversible first order reaction is being carried out in a CSTR and PFR of same volume. The liquid flow rates are same. The relative conversion will Be more in CSTR than in PFR Depend on the temperature Be more in PFR than in CSTR Be same in both cases Be more in CSTR than in PFR Depend on the temperature Be more in PFR than in CSTR Be same in both cases 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 T/T None of these Tan hT/T Tan hT/tan T Tan T/T None of these Tan hT/T Tan hT/tan T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a tubular reactor with space time 'τ' and residence time 'θ', the following statement holds good. τ = θ , when the fluid density changes in the reactor τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant τ and θ are always equal τ = θ , for a non-isothermal reactor τ = θ , when the fluid density changes in the reactor τ = θ , for an isothermic tubular reactor in which the density of the process fluid is constant τ and θ are always equal τ = θ , for a non-isothermal reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in Gland Intestine Saliva Blood Gland Intestine Saliva Blood ANSWER DOWNLOAD EXAMIANS APP