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 2 4 22 11 2 4 22 11 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering n' number of plug flow reactors (P.F.R) in series with a total volume 'V' gives the same conversion as one P.F.R. of volume V/n V V.n 1/V V/n V V.n 1/V 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 Both A and B Tubular reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable Batch reactor is preferred over a single CSTR for high yield Both A and B Tubular reactor is preferred over a single CSTR for high yield Single CSTR is the most suitable Batch reactor is preferred over a single CSTR for high yield ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is Backmix reactor Series of CSTR Plug flow reactor PFR in series Backmix reactor Series of CSTR Plug flow reactor PFR in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a semi-batch reactor Both the reactants flow counter-currently Velocity of reaction can be controlled Maximum conversion can be controlled Residence time is constant Both the reactants flow counter-currently Velocity of reaction can be controlled Maximum conversion can be controlled Residence time is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C. 112 512 612 256 112 512 612 256 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS