Question

Refer to Q4, and estimate the Agitator impeller diameter D, assuming it to be 33% of tank diameter.

(a) 4.62 m

(b) 4.50 m

(c) 4.60 m

(d) 4.52 m

The question was asked in an interview for job.

The origin of the question is Power Requirements for Mixing in chapter Fluid Flow and Mixing of Bioprocess Engineering

Answer 1

The correct option is (a) 4.62 m

For explanation I would say: Agitator Impeller Diameter, D = 33 % of tank diameter = 14 * 33% m = 4.62 m.