Fermentation Operations

Question 1

5 characteristics of ale yeast

Answer 1

1. Faster fermentation
2. Higher easter development
3. Higher Fusels
4. Top fermenting
5. Higher Acetaldehyde

Question 2

List 5 fermentation control points

Answer 2

1. Temp
2. pH
3. Pressure
4. Yeast Selection
5. FV Shape

Question 3

Why are cylindro-conical Fvs now the brewery standard?

Answer 3

Ability to clean yeast
Easier CIP
Closed Vessel (less contamination) 
Ability to crop yeast
Less capital investment

Question 4

Name 2 advantages of continuous fermentation

Answer 4

Faster (1-2 days

Uses less square footage

Question 5

List 4 possible disadvantages of High Gravity Brewing

Answer 5

Yeast stress
Reduced hop utilization
Investment in deaerated water
Large potential yield loss