A. Reaction kinetics for single particle
B. Size distribution of solids being treated
C. Flow patterns of solids and fluid in the reactor
D. All A., B. and C.
A. 0
B. ∞
C. 1
D. -1
A. Initiates a reaction
B. Lowers the activation energy of reacting molecules
C. Is capable of reacting with any one of the reactants
D. Cannot be recovered chemically unchanged at the end of a chemical reaction
A. Inner catalyst core of radius R/8 does not participate in reaction
B. Inner catalyst core of radius R/2 does not participate in reaction
C. Inner catalyst core of radius 7R/8 does not participate in reaction
D. Effectiveness factor for a zero order reaction cannot be 7/8 as it must always be 1
A. Exothermic
B. Endothermic
C. Biochemical
D. Photochemical
A. Proportional to
B. Independent of
C. Inversely proportional to
D. Proportional to the square of
A. The time required to process one reactor volume of feed (measured at specified conditions) is
3 hours
B. Three reactor volumes of feed can be processed every hour
C. It takes three hours to dump the entire volume of the reactor with feed
D. Conversion is cent per cent after three hours