Question

The yeast storage is made of _____________

(a) Iron

(b) Glass

(c) Wood

(d) Stainless steel

The question was posed to me in an international level competition.

My enquiry is from Yeast Handling in Brewery in section Yeast Management & Microbiology of Fermentation Technology

Answer 1

Right answer is (d) Stainless steel

The explanation is: The yeast storage or collection vessel is constructed from stainless steel, with mechanical agitation and dished ends. The set-up helps or assists the circulation of slurry and facilitates good draining.