Chemical Reaction Engineering The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order. Second Zero First None of these Second Zero First None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In an ideal mixed reactor (at steady state), the Space time is equivalent to holding time for constant density systems Composition throughout the reactor remains same All of these Exit stream has the same composition as the fluid within the reactor Space time is equivalent to holding time for constant density systems Composition throughout the reactor remains same All of these Exit stream has the same composition as the fluid within the reactor 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 The most suitable reactor for carrying out an auto-thermal reaction is a CSTR Batch reactor Semi-batch reactor Plug-flow reactor CSTR Batch reactor Semi-batch reactor Plug-flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Exothermic reactions are best carried out in CSTR in series A plug flow reactor followed by CSTR CSTR followed by a plug flow reactor A CSTR CSTR in series A plug flow reactor followed by CSTR CSTR followed by a plug flow reactor A CSTR ANSWER DOWNLOAD EXAMIANS APP
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 √d D D1.5 D2 √d D D1.5 D2 ANSWER DOWNLOAD EXAMIANS APP
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