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.
61) The suitable cutting fluid for drilling M.S. plate is
Related Cutting Tools MCQ - Machinist(Set-1) with Answers
A hacksaw blade is made of either low alloy steel (LA) or high speed steel (HSS), and is available in standard lengths of 250 mm and 300mm.
Feed is the distance a drill advances into the work in one complete rotation.
Drill chuck is used to hold the straight shank drill having diameter less than 12 mm.