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8: Know and Understand
List the three ways that power tools are classified into groups.
For jobs that last long periods of time, the limited run time of _____ power tools can be dealt with by using a system of multiple units and charging stations.
True or False?
Pneumatic power tools usually operate at between 350 and 430 psi.
A. True
B. False
Explain why the third ground prong on grounded electric power tools and the machine guards and shields on any power tool should never be removed.
The waste material created by a bit as it drills into metals and other material is known as _____.
A drill _____ is used to arrange drill bits by size and to store them in a convenient and safe manner.
A. jig
B. index
C. chuck
D. punch
Explain why many drills are capable of operating at variable speeds.
The development and use of cordless _____ drivers to drive screws has replaced the use of a hammer and nails for many construction applications.
A nail gun with a(n) _____ trigger incorporates a sliding safety tip that must be cycled and depressed each time a nail is delivered.
Pipe benders use _____ power to shape pipes between rollers and a mandrel.
Saw blades that, instead of blade set, use teeth tips that are thicker than the body of the blade to create clearance during a cut are called _____.
Circular saw blade teeth tipped with sharp inserts made from _____ greatly extend the useful life of the blade, in part by increasing the length of time a blade will retain its sharpness.
A. copper
B. bronze
C. aluminum
D. tungsten carbide or titanium carbide
Miter saws are used to make straight and angled cuts _____ the grain of the lumber.
True or False?
In general, saw blades designed to cut harder materials have more teeth per inch than blades designed for softer materials.
A. True
B. False
When using a(n) _____ router, you can lower the bit into the center of the board surface to create a cut that does not extend to the edge.
How are the abrasive materials for grinders formed?
The _____ of a bench grinder should always be kept adjusted to within 1/8″ from the working surface the grinding stone.
All power tools sold in the United States are required by law to meet safety standards set forth by the _____.
List three rules for keeping power tools in optimum condition.
True or False?
The plastic or metal boxes in which portable power tools are sold should never be used for storing the tools.
A. True
B. False
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