Trigger locks should always be activated when a power tool is in use.

• False

• True

Electric tools get their power from ____.

• Hand pumps

• an AC (wall plug) or DC (battery) source

• fluid pressure

• a gasoline-powered compressor

Pneumatic tools get their power from ____.

• air pressure

• fluid pressure

• hand pumps

• AC power sources

Hydraulic tools get their power from ____.

• rotary engines

• air pressure

• fluid pressure

• solar panels

Always disconnect ____ before you perform maintenance on any power tool.

• trigger lock

• drill bit

• power source

• belt sander

The most common use of the power drill is to ____.

• cut wood, metal, and plastic

• drive nails into wood, metal, and plastic

• make holes in wood, metal, and plastic

• carve letters in wood, metal, and plastic

The trigger switch on variable-speed power drill _____.

• controls the speed

• shoots nails into walls

• blows air to clean the work area

• tighten the chuck jaws

before you start drilling, be sure _____ is not in contact with the drill bit.

• the bit shank

• the material being drilled

• the chuck

• your hand

Before you start drilling through a material, always _____.

• find out what is on the other side

• disconnect the power source

• reinsert the chuck key

• drive a nail in first

When using a power drill, proper ground fault protection will prevent ____.

• drilling into electrical wiring

• you from losing your grip

• electric shock

• excess noise