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

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

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Manufacturing And Production Technology
Which of the following statement is correct for oblique cutting system?

All of these
Frequently, more than one cutting edges are in action
The chip flows on the tool face at an angle less than 90° with the normal on the cutting edge
The cutting edge is inclined at an angle less than 90° with the normal to the velocity of the tool

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