$1.$What desirable property does carbide possess for cutting tool applications?a$)$ High ductilityb$)$ High toughnessc$)$ High thermal conductivityd$)$ High hardnessThe primary role of chip breakers is to:a$)$ Control the direction of chip flowb$)$ Reduce cutting forcesc$)$ Prevent chip entanglementd$)$ Improve tool rigidityWhich tool angle is responsible for reducing the cutting forces acting on the tool?a$)$ Rake angleb$)$ Relief anglec$)$ Clearance angled$)$ Side cutting edge angleIn the context of cutting tool materials, what does the term "toughness" refer to$?$a$)$ Resistance to deformationb$)$ Ability to withstand high temperaturesc$)$ Resistance to fractured$)$ Ability to maintain sharpnessWhich tool material is most suitable for machining high$-$temperature alloys?a$)$ High$-$speed steelb$)$ Carbidec$)$ Ceramicsd$)$ Cubic boron nitride