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4 . What is the primary function of chip breakers?a ) To control chip flow directionb ) To prevent tool wearc ) To improve surface

4.What is the primary function of chip breakers?a) To control chip flow directionb) To prevent tool wearc) To improve surface finishd) To break chips into manageable sizesWhich tool material offers the best combination of hardness and toughness for general machining applications?a) High-speed steelb) Carbidec) Ceramicsd) Cubic boron nitrideHow does the relief angle influence the cutting process?a) It controls the width of the cutb) It reduces friction between the tool and workpiecec) It provides clearance between the tool and the workpieced) It determines the depth of cutWhich tool angle is primarily responsible for controlling the chip flow direction?a) Rake angleb) Relief anglec) Clearance angled) Side cutting edge angleThe primary function of chip breakers is to:a) Reduce cutting forcesb) Control chip formation and break them into small piecesc) Prevent built-up edge formationd) Improve tool rigidityWhat is the primary function of the rake angle in cutting tool geometry?a) To control the direction of chip flowb) To determine the width of the cutc) To reduce cutting forcesd) To provide clearance between the tool and workpiece

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