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MEO Class II – EK-General : 2022/SEP/05 – 2023/MAR/06 – 2023/AUG/06 – 2024/MAR/06

Question

Q6. Hydrogen damage is a general term used for mechanical damage of metal caused by the

presence of hydrogen, briefly discuss the different types of hydrogen damage and how these damages can be prevented?

a) Hydrogen blistering (4)

b) Hydrogen embrittlement (4)

c) Decarburization (4)

d) Hydrogen attack (4)

Asked in Year/Month/Ques No.

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