Lesson 5 - Milling Principles SAQ
This lesson allows you to test yourself on the material covered in the Milling Principles lesson, and determine the level to which you have met the learning outcomes.
Self-Assessment Questions
1. *State whether each of these statements is true or false and explain your reasoning.
a) To increase the throughput of a roller mill, you just need to increase the speed of the rollers.
b) Compression of the grain in a roller mill strips the husk away from the endosperm.
c) Husk integrity is more important in a grist for a mash tun than for a lauter tun.
d) The particle size produced by a hammer mill is determined by the speed of the rotor.
2. ***You have been asked to improve extract efficiency by optimising the mill settings on your brewery’s four-roller mill. What would you do, what do you need to avoid, and what would you check before and after adjustment?
3. **Why is shear important in roller milling and how is it achieved?
a) Explain the relationship between malt modification and successful milling and mashing.
b) Recommend the best mill for a mash tun with a well-modified malt and a mash filter with under-modified malt and explain why this is your recommendation.