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 D2 D1.5 D √d D2 D1.5 D ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For an autocatalytic reactor, the suitable reactor set up is CSTR followed by P.F. reactor CSTR in series P.F. reactors in series P.F. reactor followed by CSTR CSTR followed by P.F. reactor CSTR in series P.F. reactors in series P.F. reactor followed by CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for very high pressure gas phase reaction? Fluidised bed reactor Batch reactor Stirred tank reactor Tubular flow reactor Fluidised bed reactor Batch reactor Stirred tank reactor Tubular flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Conversion increases with increase in temperature in case of a an __________ reaction. Irreversible Reversible endothermic Reversible exothermic Autocatalytic Irreversible Reversible endothermic Reversible exothermic Autocatalytic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are Of different sizes None of these Of such size that the ratio of their volumes is < 5 Equal in size Of different sizes None of these Of such size that the ratio of their volumes is < 5 Equal in size ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the 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 Free energy of activation is higher Entropy changes Initial concentration of the reactants remains constant ANSWER DOWNLOAD EXAMIANS APP