Manufacturing And Production Technology
The lip clearance angle is the angle formed by the

Leading edge of the land with a plane having the axis of the drill
None of the listed here
Chisel edge and the lip as viewed from the end of a drill
Flank and a plane at right angles to the drill axis

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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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