FORMATIVE ASSESSMENT WEEK 3

It is a hand-supported, power-driven machine tool that rotates twist drills, reamers, counter bores, and similar cutting tools.

• portable electric drill

• portable grinder

• hammer drill

It is a device that is actuated by a power source apart from manual work.

• pneumatic tools

• hydraulic tools

• electric tools

It is a power tool used chiefly for drilling in hard materials.

• Portable electric drill

• Portable grinder

• Hammer drill

It is an electrical motor that rotates a replaceable drill bit to make a hole in wood, plastic, or metal. Alternately, a screwdriver tip can be installed to turn screws.

• Power drill

• Portable grinder

• Core drilling Machine

It is a drill specifically designed to remove a cylinder of material, much like a hole saw.

• Power drill

• Portable grinder

• Core drilling Machine

It is a hand-held rotating machine used for grinding and cutting processes depending on the type of disc fitted to the machine

• Power drill

• Portable grinder

• Core drilling Machine

It cuts threads into pipe so it can accept fittings for joining lengths of pipe together.

• Power threader

• Portable grinder

• Core drilling Machine

The material left inside the drill bit of a core drilling machine

• Bit

• Core

• Hole

Always use a _____________ when drilling to allow you to secure the hammer drill when it encounters especially hard surfaces.

• L-handle

• X-handle

• T-handle

They are cutting tools used to remove material to create holes, almost always of circular cross-section

• Drill bits

• Chuck

• Key