Chemical Reaction Engineering For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is 22 2 4 11 22 2 4 11 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The most suitable reactor for carrying out an auto-thermal reaction is a Plug-flow reactor Batch reactor Semi-batch reactor CSTR Plug-flow reactor Batch reactor Semi-batch reactor CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the Both A & B Temperature Neither A nor B Pressure Both A & B Temperature Neither A nor B Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. None of these Second Zero First None of these Second Zero First ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photo-chemical reactions occur in presence of Sunlight Solid catalysts Darkness Monochromatic radiation only Sunlight Solid catalysts Darkness Monochromatic radiation only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides Permits operation at the optimum temperature for a long reaction time Higher overall selectivity for a first order consecutive reaction More uniform operating conditions All of these Permits operation at the optimum temperature for a long reaction time Higher overall selectivity for a first order consecutive reaction More uniform operating conditions All of these ANSWER DOWNLOAD EXAMIANS APP