Chemical Reaction Engineering Recycling back of outlet stream to the reactor from an ideal CSTR carrying out a first order liquid phase reaction will result in __________ in conversion. Either A or B, depends on the type of reaction Decrease Increase No change Either A or B, depends on the type of reaction Decrease Increase No change ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A stirred tank reactor compared to tubular-flow reactor provides Higher overall selectivity for a first order consecutive reaction All of these Permits operation at the optimum temperature for a long reaction time More uniform operating conditions Higher overall selectivity for a first order consecutive reaction All of these Permits operation at the optimum temperature for a long reaction time More uniform operating conditions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If pore diffusion is the controlling step in a solid catalysed reaction, the catalyst Porosity is of less importance Porosity is very important Internal surface area is utilised efficiently None of these Porosity is of less importance Porosity is very important Internal surface area is utilised efficiently None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction. Photochemical None of these Autocatalytic Catalytic Photochemical None of these Autocatalytic Catalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the same residence time, which one will give the maximum conversion? Two stirred tank (each of 2.5 litres) in series Single tubular flow reactor (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) Two stirred tank (each of 2.5 litres) in series Single tubular flow reactor (v = 5 litres) Stirred tank followed by tubular flow reactor (each of 2.5 litres) Single stirred tank (v = 5 litres) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The increase in the rate of reaction with temperature is due to Decrease in activation energy Increase in the number of effective collisions Increase in the average kinetic energy of the reacting molecules None of these Decrease in activation energy Increase in the number of effective collisions Increase in the average kinetic energy of the reacting molecules None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS