Corrosion & NDT Exam Study Guide with Verified Solutions
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Course
2024/2025
Institution
2024/2025
Corrosion & NDT Exam Study Guide
with Verified Solutions
Chemical Corrosion - Answer-result of direct exposure of unprotected surface to a corrosive liquid or
gas
Metals more susceptible to corrosion are _____ and less susceptible are _____ - Answer-anodic,
cathodic
4 things required for meta...
Untreated uniform surface corrosion is indicated by _____ - Answer✔✔-clumps of white powder
Oxidization is also called - Answer✔✔-dry corrosion
Galvanic corrosion is also known as - Answer✔✔-disimilar metal corrosion
Filiform corrosion is normally caused by _____ - Answer✔✔-water under the paint
Smoking rivets are an example of _____ - Answer✔✔-fretting corrosion
Fatigue corrosion is caused by _____ - Answer✔✔-cyclic stress
7 Examples of corrosive agents - Answer✔✔-1) Acids and alkalis
2) Mercury
3) Liquids
4) Paint strippers
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