Question

The agitator is required to _________

(a) Provide air

(b) Mixing objectives

(c) Purify the product

(d) Sterilize the media

This question was addressed to me in an online quiz.

My question is based upon Fermenter Design topic in division Design of Fermenter of Fermentation Technology

Answer 1

Right option is (b) Mixing objectives

For explanation I would say: The agitator is required to achieve a number of mixing objectives, e.g. oxygen transfer, heat transfer, fluid and gas-mixing, and maintaining a uniform environment throughout the vessel contents.