Lesson 5 - Material Application in Brewing SAQ
This lesson allows you to test yourself on the material covered in the lesson Material Application in Brewing and to determine the level to which you have met the learning outcomes.
Self-Assessment Questions
1. *Indicate whether the following statements are true or false. Provide a reason if they are false.
a) Stainless steel (SS) contains at least 5% chromium
b) Steel is iron with < 2% carbon
c) Austenitic SS is magnetic
d) The L in SS316L stands for Level
e) The standard surface finish for SS is 2C
f) Galvanised steel is mild steel coated in copper
g) HDPE is permeable to some gases
h) PTFE is an elastomer
i) Polycarbonates are brittle
2. *For each material provide a typical application in the brewery.
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Material |
Application |
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Epoxy resin |
|
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Polypropylene |
|
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Copper |
|
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3CR12 |
|
|
EPDM |
|
|
Titanium |
|
|
Galvanised steel |
|
|
Mild steel |
|
|
PTFE |
|
|
HDPE |
|
|
Glass |
|
|
SS304 |
|
|
SS316L |
|
|
SS2205 |
|
3. *What is passivation of stainless steel?
4. **How would you compare and contrast austenitic and duplex stainless steels?
5. **How would you go about selecting the right material for an application? For this exercise use a mash conversion vessel (MCV) as your example. Be sure to show the reasoning behind your process.