railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Fitter Machining Drilling and Reaming
Which of the following machine is based upon the principle that the rotating edge of the tool exerts a large force on the workpiece and holes are being created in the workpiece? The material is removed from the workpiece by the shearing and extrusion process.
1
Drilling machine
2
Shaper machine
3
Lathe machine
4
Milling machine