Answer is:
drift
Explanation:
.The taper shank drill should be removed from the machine spindle by means of tool called drill drift.
Answer is:
8 to 12 Degree
Explanation:
The lip clearance angle of twist drill for general purpose should be 8 Degree to 12 Degree.
Answer is:
soluble oil
Explanation:
Soluble oil are made from mineral oils with emulsifying material added to make for mixing with water. Soluble oil is diluted with water to form an emulsion. The water cools whilst the oil lubricates. The extent of dilution depends upon the type of operation.
