Category: Chemical Reaction

A. Stirred tank
B. Tubular flow
C. Batch
D. Fixed bed

A. Combustion of coal particles
B. Roasting of sulphide ores
C. Manufacture of carbon disulphide from elements
D. None of these

A. 0.875
B. 0.5
C. 0.425
D. Data insufficient to calculate

A. Pressure has no effect
B. Backward reaction is favoured
C. Forward reaction is favoured
D. None of these

A. Is always equal to the overall order of reaction
B. May not be equal to the order of reaction
C. Can’t have a fractional value
D. Both B. and C.

A. 0.16
B. 0.144
C. 0.152
D. 0.136

A. 1/4
B. 2
C. 4
D. 16

A. Increase
B. Decrease
C. Remain same
D. Data in insufficient; can’t be predicted

A. The vessel dispersion number (D/UL) for plug flow and mixed flow approaches zero and
infinity respectively
B. Space time in a flow reactor is a measure of its capacity and is equal to the residence time when the density of reaction mixture is constant
C. Mixed reactor is always smaller than the plug flow reactor for all positive reaction orders for a
particular duty
D. In an ideal tubular flow reactor, mixing takes place in radial direction and there is no mixing in longitudinal direction

A. Porosity is very important
B. Porosity is of less importance
C. Internal surface area is utilised efficiently
D. None of these