To determine the angle of tapered job
To measure the length of a taper job
To measure the gap
To measure the diameter of the job
By splashing
By fission
By fusion
By capillary action
Mild steel
High carbon steel
Copper
Bronze
Forged copper
Forged steel
Forged aluminium
Stainless steel
Only hand feed can be given
External threads on taper can't produce
Taper length is limited
Taper turning is possible when work held between centre only