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Broaching (metalworking): Quiz


Question 1: Broaching works best on softer materials, such as brass, bronze, copper alloys, ________, graphite, hard rubbers, wood, composites, and plastic.

Question 2: In the 1920s and 30s the tolerances were tightened and the cost reduced thanks to advances in ________ and broaching machines.
DrillDrill bitMachine toolGrinding (abrasive cutting)

Question 3: After ________, broaching was used to rifle gun barrels.
Armenian GenocideWestern Front (World War I)World War ICaucasus Campaign

Question 4: However, it still has a good ________ rating on mild steels and free machining steels.
MachinabilityHigh speed steelNatural rubberWork hardening

Question 5: [14] This has replaced ________ for some involute gears and cutting external splines and slots.
HobbingLathe (metal)DrillDrill bit

Question 6: The concept of broaching can be traced back to the early 1850s, with the first applications used for cutting keyways in pulleys and ________.
Rack and pinionTransmission (mechanics)GearWorm drive

Question 7: [3] The broach usually only moves linearly, but sometimes it is also rotated to created a spiral spline or gun-barrel ________.
FirearmInternal ballisticsRiflingCartridge (firearms)

Question 8: When radially broaching a workpieces that require a deep cut per tooth, such as ________ or castings, a rotor-cut or jump-cut design can be used; these broaches are also known as free egress or nibbling broaches.
Metalworking terminologyForgingNibblerBrake (sheet metal bending)

Question 9: Broaching can also be used on harder materials, like ________ and titanium,[11] but it is tougher.
SilverStainless steelGoldCopper

Question 10: Most broaches are made from high speed steel (HSS) or an alloy steel; ________ coatings are common on HSS to prolong life.
Titanium tetrachlorideTitanium carbideTitanium nitrideTitanium


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