Chemical Reaction Engineering Non-catalytic fluid-solid reactions are represented by __________ model. Continuous reaction Both A and B Unreacted core Neither A and B Continuous reaction Both A and B Unreacted core Neither A and B ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a homogeneous reaction is a function of All of these Temperature and pressure only Temperature and composition only Pressure and composition only All of these Temperature and pressure only Temperature and composition only Pressure and composition only ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A pollutant P degrades according to first order kinetics. An aqueous stream containing P at 2 kmole/m³ and volumetric flow rate 1m³ /h requires a mixed flow reactor of volume V to bring down the pollutant level to 0.5 kmole/m³ . The inlet concentration of the pollutant is now doubled and the volumetric flow rate is tripled. If the pollutant level is to be brought down to the same level of 0.5 kmole/m³ , the volume of the mixed flow reactor should be increased by a factor of 6 7 3 44015 6 7 3 44015 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An isothermal irreversible reaction is being carried out in an ideal tubular flow reactor. The conversion in this case will __________ with decrease in space time. Increase Decrease Increase exponentially Remain unchanged Increase Decrease Increase exponentially Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Brunaur, Emmet and Teller (BET) equation is used to determine the specific surface area of a porous particle but not the pore volume & the porosity of the catalyst bed. Which of the following postulates is not used to derive BET equation? Langmuir The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process There is no dynamic equilibrium between successive layer None of these Langmuir The adsorbed layer may be polymolecular in thickness and the heat of adsorption in each layer (except the first one) is involved in each of the evaporation process There is no dynamic equilibrium between successive layer None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Fluid flow in a real packed bed can be approximated as __________ model. Tank in series Plug flow Dispersion Mixed flow Tank in series Plug flow Dispersion Mixed flow ANSWER DOWNLOAD EXAMIANS APP
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