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 + 1)/2 None of these ND = n/2 ND = n + 1 ND = (n + 1)/2 None of these ND = n/2 ND = n + 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) None of these ∝ 1/CA Independent of temperature ∝ CA None of these ∝ 1/CA Independent of temperature ∝ CA 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. Diffusion through ash layer Chemical reaction Either A, B or C Film diffusion Diffusion through ash layer Chemical reaction Either A, B or C Film diffusion ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Can either increase or decrease (depends on the type of catalyst) Remains unaffected Decreases Increases Can either increase or decrease (depends on the type of catalyst) Remains unaffected Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reactions with low activation energy are Non-spontaneous Slow Fast Always spantaneous Non-spontaneous Slow Fast Always spantaneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The vessel dispersion number (D/μL) for plug flow is ∞ 500 750 ∞ 500 750 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS