Chemical Reaction Engineering
Pick out the wrong statement pertaining to space velocity of flow reactors.

None of these
The unit of space velocity is (time)⁻¹
The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor
The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour

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Chemical Reaction Engineering
Which of the following is not a dimension-less group used in catalysis ? (where, D = dispersion co-efficient, cm² /sec.D1 = diffusion co-efficient; cm²/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm³/sec . V = volume, cm³.)

None of these
Thiele modulus (L√(k/D1)
Reduced time (vt/V)
Reactor dispersion number (D/vL)

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