Which one is not the objectives of boiling?
Sterilise wort
Increase freshness
Trub formation
Stop enzyme reactions
What are the main component in wort besides water?
Protein
Carbohydrate
Polyphenol
Oil and fat
The calandria surface area shall meet () m²/HL
＞0.10 m2/HL
＞0.15 m2/HL
＞0.30 m2/HL
＞0.5 m2/HL
The wort after reflection shall not touch the kettle wall, with a distance of () cm from the wall.
5~10
10~20
20~40
40-60
If we increase the calcium addition in wort kettle, the yeast count of 0 hour will ()
Increase
Decrease
The wort kettle chimney slope of the horizontal need to be >（） degrees.
1
3
5
10
The maximum pressure in the boiling kettle during the boiling stage shall be ≤（） mbar
10
25
80
100
The cleaning spray ball in heat recovery pipeline need be installed every () meters at least.
1
1.5
2
2.5
The major drive force in internal calandria for wort rising in tube is from ()
Thermosyphon
Pump
The infllunce boil parameters for volatile removal include () ?
Evaporation
Interfacial surface area
Turbulence