Chemical Reaction Engineering In autocatalytic reactions, No catalyst is used Catalysts have very high selectivity One of the reactants acts as a catalyst One of the products acts as a catalyst No catalyst is used Catalysts have very high selectivity One of the reactants acts as a catalyst One of the products acts as a catalyst 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/T Tan T/T Tan hT/tan T None of these Tan hT/T Tan T/T Tan hT/tan T None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal tubular-flow reactor Mixing takes place in radial direction All of these There is a uniform velocity across the radius There is no mixing in longitudinal direction Mixing takes place in radial direction All of these There is a uniform velocity across the radius There is no mixing in longitudinal direction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following does not produce a change in the value of rate constant of a reaction? Pressure Temperature None of these Concentration and catalyst Pressure Temperature None of these Concentration and catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt In the reactor At the outlet At the inlet Averaged over the inlet and outlet In the reactor At the outlet At the inlet Averaged over the inlet and outlet ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction A → B is conducted in an isothermal batch reactor. If the conversion of A increases linearly with holding time, then the order of the reaction is 2 1.5 1 0 2 1.5 1 0 ANSWER DOWNLOAD EXAMIANS APP
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