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

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Manufacturing And Production Technology
The saw milling is an operation of

Producing narrow slots or grooves on a workpiece
Producing grooves around the periphery of a cylindrical or conical workpiece
Machining several surfaces of a workpiece simultaneously
Reproduction of an outline of a template on a workpiece

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Manufacturing And Production Technology
In ultrasonic machining, the metal is removed by

Erosion caused by rapidly recurring spark discharges between the tool and work
Using abrasive slurry between the tool and work
Maintaining an electrolyte between the work and tool in a very small gap between the two
Direct contact of tool with the work

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