Question

what form of joining metals uses bolts?

• welding
• mechanical fastening
• adhesive bonding

Explanation:

Identify the core question

The question asks to identify the form of joining metals that specifically uses bolts.

Analyze the options

Using the Material Joining Methods knowledge point, let's evaluate each option:

• Welding: A thermal process that fuses materials together by melting them, often with a filler metal, to form a permanent coalesced joint.
• Mechanical Fastening: A method that uses physical hardware components, such as bolts, screws, rivets, or pins, to hold parts together mechanically.
• Adhesive Bonding: A joining process that uses a non-metallic substance (adhesive) to bond surfaces together through surface adhesion and cohesion.

Determine the correct choice

Since bolts are threaded mechanical fasteners, using them to join metals falls directly under the category of mechanical fastening.

Answer:

• Welding
• Mechanical Fastening (Correct answer)
• Adhesive Bonding