There are several different tests for someone who wants to become a certified brewmaster.
Here is an outline of the test for the diploma in brewing from the Institute of Brewing and Distilling in London, England.
This test assesses comprehensive knowledge and understanding of the principles of brewing science and technology.
The exam is split into three modules, which can be taken in any order and combination.
Module 1: Materials and Wort
Module 2: Yeast and Beer
Module 3a: Packaging Technology*
Module 3b: Process Technology*
*Modules 3a and 3b are taken together and form one exam paper.
Each question paper is three hours long, and requires essay-style answers.
The pass mark for all the modules is 45 per cent.
Applicants who receive the diploma are qualified to continue working to become a Master Brewer and receive the M. Brew qualification.
— source: the Institute of Brewing and Distilling website
— photo by Pedro De Vasconcellos