Carbide tipped tools usually have? Mark as favorite Copy Link negative rake angle positive rake angle any rake angle no rake angle Check Answer
The angle formed by the leading edge of the land with a plane having the axis of the drill, is called? Mark as favorite Copy Link helix or rake angle point angle chisel edge angle lip clearance angle Check Answer
In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as? Mark as favorite Copy Link side relief angle end relief angle back rake angle side rake angle Check Answer
The lip clearance angle is the angle formed by the? Mark as favorite Copy Link leading edge of the land with a plane having the axis of the drill flank and a plane at right angles to the drill axis chisel edge and the lip as viewed from the end of a drill none of the above Check Answer
Lathe bed is made of? Mark as favorite Copy Link mild steel high speed pig iron chilled cast iron Check Answer
Crater wear leads to? Mark as favorite Copy Link increase in cutting temperature weakening of tool friction and cutting forces all of these Check Answer
The tool may fail due to? Mark as favorite Copy Link cracking at the cutting edge due to thermal stresses chipping of the cutting edge plastic deformation of the cutting edge all of these Check Answer
In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called? Mark as favorite Copy Link friction zone work-tool contact zone shear zone none of these Check Answer
The enlarging of an existing circular hole with a rotating single point tool is called? Mark as favorite Copy Link boring drilling reaming internal turning Check Answer
A better machinable metal is one which gives? Mark as favorite Copy Link lower chip-tool contact area and larger shear angle higher chip-tool contact area and smaller shear angle lower chip-tool contact area and smaller shear angle higher chip-tool contact area and larger shear angle Check Answer