The lip clearance angle of twist drill for general purpose should be 8 Degree to 12 Degree.
19) The lip clearance angle of twist drill for general purpose should be
Answer is:
8 Degree to 12 Degree
Explanation:
Related Drilling and Reaming MCQ - Machinist(Set-1) with Answers
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.
Answer is:
Feed
Explanation:
Feed is the distance a drill advances into the work in one complete rotation.
Answer is:
Drill chuck
Explanation:
Drill chuck is used for holding the straight shank drill having diameter less than 12 mm.
