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During normalizing process of steel the specimen is heated

This question belongs to Mechanical Engineering Manufacturing And Production Technology
Manufacturing and Production Technology
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During normalizing process of steel, the specimen is heated

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Correct Answer: Option C
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Sara Alkafajy
Sara Alkafajy 6 years ago
. During normalizing process of steel, the specimen is heated;
1. Between the upper and lower critical temperature and cooled in still air.
2. Above the upper critical temperature and cooled in furnace
3. Above the upper critical temperature and cooled in still air.
4. Between the upper and lower critical temperature and cooled in furnace.
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