27) The cutting angle of a flat chisel for chipping aluminium is
Related Cutting Tools MCQ - Machinist(Set-1) with Answers
The rasp cut has individual, sharp, pointed teeth in a line, and is useful for filing wood, leather and other soft materials. These files are available only in half round shape.
Half round scraper
A half round scraper is the most suitable scraper for scraping curved surfaces. This method of scrapping differs from that of flat scraping.
Kerosene is used as coolants when reaming aluminium work-piece.
A double cut file has two rows of teeth cut diagonal to each other. The first row of teeth is known as OVERCUT and they are cut at an angle of 70 degree . The other cut, made diagonal to this, is known as UPCUT, and is at an angle of 51 degree . This removes stock faster than the single cut file