Question: Pick out the wrong statement.
Options
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 logitudinal direction.
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