NCCER Power Tools

When using power tools, NEVER engage the

• locking spring

• booster

• bit shank

• trigger lock

Before connecting any power tool to a power source, it is critical to

• make sure the tool has been cleaned and oiled

• ask your supervisor for permission

• confirm the power switch is set to OFF

• confirm the condition of all the tool's attachments

Before replacing parts such as bits, blades, or discs on any tool, it is important to

• disconnect the power source

• recharge the tool's battery

• polish it with fine steel wool

• check the tool's oil level

The part of a drill that holds the drill bit in place is called the

• auger

• ram

• shank

• chuck

When using an appropriate bit, variable speed drills can be used like a(n)

A pneumatic drill is commonly used

• when electricity is unavailable

• to drill in tight, small areas

• in areas where noise is a problem

• to perform precision work

Before using a hammer drill or rotary hammer to drill into concrete, it is important to

• install a flying debris guard on the drill chuck

• review silica exposure standards

• confirm the location of coworkers

• spray down the concrete surface with water

Never use a circular saw that does NOT have an upper blade guard because the

• trigger lock will not work properly

• safety features will be disabled

• exposed blade poses a danger

• saw kerf will be too wide

The most important maintenance on a circular saw involves the

• upper blade guard

• blade's sharpness

• battery charge

• lower blade guard

When using a circular saw, be sure to cut on the waste side of the cut mark to allow for the blade's

• uptake

• stroke

• angle

• kerf