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Drill bit: Quiz


Question 1: This unique design allows the bit to be curved inside walls, for example to drill through studs from a ________ box without needing to remove any material from the wall.
Light-emitting diodeCompact fluorescent lampLight switchIncandescent light bulb

Question 2: Bits are held in a tool called a ________, which rotates them and provides torque and axial force to create the hole.
Angle grinderDrill bitLatheDrill

Question 3: Due to their high cost and brittleness, they are often used only in tipped tools, in which small pieces are screwed or ________ onto the tip of the bit.
SolderingBrazingSheet metalMetalworking

Question 4: High carbon steel bits are made from high ________ and are an improvement on plain steel due to the hardening and tempering capabilities of the material.
Stainless steelCarbon steelAlloy steelCast iron

Question 5: Drill bits come in standard sizes, described in the ________ article.
LatheDrill bit sizesAngle grinderGrinding machine

Question 6: Soft low carbon ________ bits are used only in wood, as they do not hold an edge well and require frequent sharpening.
Carbon steelIronSteelStainless steel

Question 7: However, a centre drill works nearly as well as a spotting drill for most rigidly-clamped drilling operations, especially in softer metals such as ________ and its alloys.

Question 8: ________ (HSS) is a form of tool steel where the bits are much more resistant to the effect of heat.
PliersMetalworking terminologyHigh speed steelBroaching (metalworking)

Question 9: In metal, the lip and spur drill is confined to drilling only the thinnest and softest ________ in a drill press.
MetalworkingSheet metalSolderingBrazing

Question 10: ________ powder is used as an abrasive, most often for cutting tile, stone, and other very hard materials.


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