Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the Time for half change is half the time taken for completion of the reaction Reaction rate is trebled when the initial concentration is trebled Time for half change is independent of the initial concentration Time for completion of the reaction is independent of the initial concentration Time for half change is half the time taken for completion of the reaction Reaction rate is trebled when the initial concentration is trebled Time for half change is independent of the initial concentration Time for completion of the reaction is independent of the initial concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An autothermal reactor is Most suitable for a second order reaction Most suitable for a reversible reaction Completely self-supporting in its thermal energy requirements Isothermal in nature Most suitable for a second order reaction Most suitable for a reversible reaction Completely self-supporting in its thermal energy requirements Isothermal in nature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Integral method for analysing the kinetic data is used Both A and B When the data are scattered For testing specific mechanisms with simple rate expressions None of these Both A and B When the data are scattered For testing specific mechanisms with simple rate expressions None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Either A, B or C Diffusion through ash layer Film diffusion Chemical reaction Either A, B or C Diffusion through ash layer Film diffusion Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor is characterised by Very low conversion Variation in extent of reaction and properties of the reaction mixture with time Constant residence time Variation in reactor volume Very low conversion Variation in extent of reaction and properties of the reaction mixture with time Constant residence time Variation in reactor volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Entropy changes Initial concentration of the reactants remains constant Free energy of activation is higher Free energy of activation is lower Entropy changes Initial concentration of the reactants remains constant Free energy of activation is higher Free energy of activation is lower ANSWER DOWNLOAD EXAMIANS APP
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