Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Free energy of activation is higher Entropy changes Initial concentration of the reactants remains constant Free energy of activation is lower Free energy of activation is higher Entropy changes Initial concentration of the reactants remains constant Free energy of activation is lower ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single PFR of volume V CSTR of volume V/X CSTR of volume V PFR of volume V/X PFR of volume V CSTR of volume V/X CSTR of volume V PFR of volume V/X ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a first order chemical reaction, the rate constant Changes on changing the concentration units Is not a function of the unit of time None ofthese Has unit of time⁻¹ Changes on changing the concentration units Is not a function of the unit of time None ofthese Has unit of time⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Space time equals the mean residence time For narrow diameter tubular reactor For CSTR When the density of the reaction mixture is constant For large diameter tubular reactor For narrow diameter tubular reactor For CSTR When the density of the reaction mixture is constant For large diameter tubular reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance. Either A, B or C Chemical reaction Diffusion through ash layer Film diffusion Either A, B or C Chemical reaction Diffusion through ash layer Film diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An endothermic aqueous phase first order irreversible reaction is carried out in an adiabatic plug flow reactor. The rate of reaction Goes through a minimum along the length of the reactor Is maximum at the inlet of the reactor Goes through a maximum along the length of the reactor Is maximum at the exit of the reactor Goes through a minimum along the length of the reactor Is maximum at the inlet of the reactor Goes through a maximum along the length of the reactor Is maximum at the exit of the reactor ANSWER DOWNLOAD EXAMIANS APP
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