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27: Know and Understand
A complete project plan begins with some type of sketch or drawing and also includes a detailed _____ of materials.
True or False?
Although soapstone is commonly used to mark aluminum, it will not satisfactorily mark mild steel.
A. True
B. False
A(n) _____ can be used to determine the relative hardness of metals prior to cutting or drilling.
Cutting or grinding close to the location of clamps or supports will reduce _____ and noise.
The individual _____ of an abrasive wheel serve as microscopic cutting edges.
_____ hot high-carbon steel in oil or water hardens the steel by locking the grain structure of the metal.
An indication that heat from grinding friction has overheated tool steel is a color change in the surface of the metal to a(n) _____ shade.
A. orange
B. yellow
C. blue
D. green
The first step in sharpening tools on the bench grinder is to adjust the _____ to the correct angle.
Rivets bind two or more metal parts with a head on one side of a hole and an upset or expanded tail on the other; _____ rivets can be used when only one side of the joint is accessible.
True or False?
Wing nuts are designed to be used on equipment that must be serviced frequently.
A. True
B. False
When aluminum parts are attached to other metals, a(n) _____ is often used to reduce the chance of damage from galvanic corrosion.
Heat draws molten solder through _____ action between closely fitted parts.
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