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.	Reactor dispersion number (D/vL)
B.	Reduced time (vt/V)
C.	Thiele modulus L √(k/D1)
D.	None of these
Answer» E.

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