Ag Mech 2 - 4.01

The fastener that needs a threaded hole in at least one of the pieces of metal being joined together is a:

• machine screw.

• flat washer.

• rivet.

• nail.

What is used to keep bolt nuts tight against a metal surface?

• lock washer

• linseed oil

• bolt

• nut

A farmer uses a lock washer between a nut and the surface of the metal to:

• keep the nut tight.

• keep the threads clean.

• make self-tapping threads.

• make the nut easy to remove.

How should Joseph remove a hex socket head bolt?

• by oiling

• by hammering

• by using an Allen wrench

• by using a combination wrench

What device is used with a nut to fasten together two pieces of metal?

• bolt

• glue

• nail

• screw

What type of fastener is used when the most strength is needed?

• machine bolt

• carriage bolt

• stove bolt

• toggle bolt

A cotter pin is used with a castle or slotted nut to:

• clean the threads.

• keep the nut tight.

• making self-tapping threads.

• make the nut easy to remove.

Plow bolts are used to attach plowshares because the bolt heads:

• are square.

• have hex heads.

• are flush with the surface.

• stick out above the surface.