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

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Manufacturing And Production Technology
In a shaper, the length of stroke is increased by

Increasing the length of the arm
Increasing the centre distance of bull gear and crank pin
Decreasing the centre distance of bull gear and crank pin
Decreasing the length of the slot in the slotted lever

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