Which of the following is not a dimension-less group used in catalysis – McqOptions

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1.	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.)
A.	eactor dispersion number (D/vL)
B.	educed time (vt/V)
C.	hiele modulus (L√(k/D1)
D.	one of these
Answer» E.

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