Question

What is the degree of agitation if bulk fluid velocity is 23.55 ft/min? (For 6 ft/min., degree of agitation = 1 and Degree of agitation varies from 0 to 10).

(a) 5

(b) 6

(c) 4

(d) 3

I got this question by my college professor while I was bunking the class.

I'd like to ask this question from Power Requirements for Mixing in section Fluid Flow and Mixing of Bioprocess Engineering

Answer 1

Correct choice is (c) 4

To elaborate: Degree of Agitation = bulk fluid velocity / 6

= 23.55/6 = 3.93 ∼ 4