Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to D2 D √d D1.5 D2 D √d D1.5 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 Tan hT/T None of these Tan hT/tan T Tan T/T Tan hT/T None of these Tan hT/tan T ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a Batch reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable Both A and B Tubular reactor is preferred over a single CSTR for high yield Batch reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable Both A and B Tubular reactor is preferred over a single CSTR for high yield ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The single parameter model proposed for describing non-ideal flow is the __________ model. Tank in series Dispersion Neither A nor B Both A & B Tank in series Dispersion Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following factors control the design of a fluid-solid reactor? All of these Flow patterns of solids and fluid in the reactor Reaction kinetics for single particle, Size distribution of solids beingtreated All of these Flow patterns of solids and fluid in the reactor Reaction kinetics for single particle, Size distribution of solids beingtreated ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is suitable for Liquid phase reactions Large scale gaseous phase reactions Obtaining uniform polymerisation products in highly exothermic reactions Achieving cent percent conversion of reactants into products Liquid phase reactions Large scale gaseous phase reactions Obtaining uniform polymerisation products in highly exothermic reactions Achieving cent percent conversion of reactants into products ANSWER DOWNLOAD EXAMIANS APP
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