Chemical Reaction Engineering Fluidised bed reactor is characterised by Absence of continuous catalyst regeneration facility Uniformity of temperature Comparatively smaller equipment Very small pressure drop Absence of continuous catalyst regeneration facility Uniformity of temperature Comparatively smaller equipment Very small pressure drop 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 Chemical reaction Film diffusion Diffusion through ash layer Either A, B or C Chemical reaction Film diffusion Diffusion through ash layer ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following does not produce a change in the value of rate constant of a reaction? Pressure Temperature Concentration and catalyst None of these Pressure Temperature Concentration and catalyst None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Velocity of a chemical reaction Decreases with increase of reactant concentration None of these Decreases with increase in temperature Increases with increase of pressure of reactants for all reactions Decreases with increase of reactant concentration None of these Decreases with increase in temperature Increases with increase of pressure of reactants for all reactions ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction is dominated by in-traparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as ND = n/2 ND = (n + 1)/2 None of these ND = n + 1 ND = n/2 ND = (n + 1)/2 None of these ND = n + 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When an exothermic reversible reaction is conducted adiabatically, the rate of reaction Passes through a maximum Continuously increases Passes through a minimum Continuously decreases Passes through a maximum Continuously increases Passes through a minimum Continuously decreases ANSWER DOWNLOAD EXAMIANS APP