Manufacturing And Production Technology
In order to have interference fit, it is essential that the lower limit of the shaft should be

Lesser than the upper limit of the hole
Lesser than the lower limit of the hole
Greater than the upper limit of the hole
Greater than the lower limit of the hole

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

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