Fasteners - Types and Uses

Which best describe reason why mechanical assembly is often preferred compared others?

• ease of disassembly

• economies of scale

• no heat affected zone in the base parts

• specialization of labor

What type of fastener is this?

• Hex head bolt

• Socket head cap screw

• Pop rivet

• Button head bolt

Most externally threaded fasteners are produced by which one of the following processes

• cutting the threads
• milling the threads
• tapping
• thread rolling

What is this tool?

• Torque wrench

• Ratchet spanner

• Breaker bar

• Ring spanner

Which of the following are the common ways in which threaded fasteners fail during tightening

• excessive compressive stresses on the head of the fastener
• excessive compressive stresses on the shank of the fastener
• excessive shear stresses on the shank of the fastener
• stripping of the internal or external threads

The gasket in this example is dynamic.

• True

• False

Which of the following are considered good product design rules for automated assembly?

• design with the fewest number of components possible
• design using bolts and nuts to allow for disassembly
• design with many different fastener types
• design parts with asymmetric features

Identify A

• Thread angle

• Minor diameter

• Major diameter

• Pitch

Do bolts cope well with shear stress?

• Yes

• No

• If calculated correctly

• Aliens have the answer

What fasteners are present in this application?

• Hex head bolt

• Washers

• Nut

• Cotter pin