Manufacturing And Production Technology
During normalizing process of steel, the specimen is heated

Between the upper and lower critical temperature and cooled in still air.
Above the upper critical temperature and cooled in still air.
Between the upper and lower critical temperature and cooled in furnace.
Above the upper critical temperature and cooled in furnace.

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Manufacturing And Production Technology
Glazing in grinding wheels can be decreased by

Using a softer wheel or by increasing the wheel speed
Using a softer wheel or by decreasing the wheel speed
Using a harder wheel or by increasing the wheel speed
Using a harder wheel or by decreasing the wheel speed

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