Question

What is the pH of malt wort with 20% maize grit adjunct?

(a) 5.2

(b) 5.3

(c) 5.4

(d) 5.5

I had been asked this question at a job interview.

My question is based upon Beer and Brewing topic in division SCADA System for Bioreactors, Beer and Brewing of Fermentation Technology

Answer 1

Right option is (c) 5.4

Explanation: The pH of malt wort is 5.4 with 20% of maize grit adjunct. The pH almost remains the same as the concentration of the maize grit adjunct increases with 5.3 of 30%, 5.4 at 40% and 0%.