Material Joining Processes
What is Welding?
Welding History & Careers
Welding Hazards
Welding Safety & PPE
100

Why would a company choose mechanical fastening instead of fusion joining for some projects?

What is because fasteners allow parts to be removed or replaced more easily?

100

Why is welding considered a permanent joining process?

What is because the materials melt and fuse together into one bond?

100

Welding started to take off in the 19th century when Sir Humphry Davy discovered the electric _____ welding process.
(3 letters)

What is arc?

100

A welder works in a small room with poor airflow and begins coughing from fumes. Which hazard is MOST likely affecting them?

What is an inhalation hazard?

100

Explain WHY PPE is important during welding instead of only naming what it stands for.

What is PPE protects welders from heat, sparks, radiation, and fumes?

200

True or False: Adhesive joining uses a metallic material to join pieces together.

What is False?

200

Welding is an example of which type of material joining process?

  • Adhesive Joining
  • Fusion Joining
  • Mechanical Fastening
  • All of these answer choices are correct

What is Fusion Joining? 

200

Why is welding important in the construction industry?

What is it helps build strong structures like bridges and buildings? 

200

Why is proper grounding important when using welding equipment?

What is to prevent electrical shock?

200

Welding ________ refers to a range of safety gear worn by welders.
(3 letters)

What is PPE?

300

A skateboard company needs to permanently join two metal pieces together by melting them. Which joining process would work BEST?

  • Adhesive Joining
  • Mechanical Fastening
  • Fusion Joining
  • Temporary Bonding

What is Fusion Joining?

300

A welder repairs a cracked metal gate by melting the broken edges together. Explain why this is considered fusion joining.

What is because heat melts and fuses the metals together?

300

A welder is helping build a skyscraper using large steel beams. Which industry are they MOST likely working in?

What is construction?

300

A welder ignores hearing protection for several years. What long-term effect could occur?

What is hearing loss or ringing in the ears?

300

A welder complains about eye pain after welding without proper protection. Which PPE was MOST likely missing?

What is Welding Helmet?

400

Which process joins materials together using fasteners?

What is Mechanical Fastening? 

400

Which process describes fusion joining?

What is joining materials together by melting and fusing them together?

400

Which industry joins the body and frame of cars and trucks?

  • Automotive
  • Aerospace
  • Manufacturing
  • Military & Defense

What is Automotive? 

400

True or False: Welders should be properly trained and follow safety procedures.

What is true?

400

Why does keeping a welding workspace organized improve safety?

What is it reduces trips, fires, and accidents?

500

Compare adhesive joining and mechanical fastening. What is ONE advantage of mechanical fastening?

What is parts can be removed/repaired easily OR no drying time is needed?

500

Describe one way welding could be used in an artistic career.

What is creating sculptures, metal artwork, decorative gates, etc.?

500

Why must welding in the medical industry be extremely precise?

What is because medical equipment and implants must be safe and accurate?

500

A welding shop has frayed cords, cluttered floors, and damaged helmets. Identify TWO hazards in this situation.

What are electrical hazards, tripping hazards, eye hazards, etc.?

 

500

A welder notices a cracked helmet before beginning work. What should they do FIRST and why?

What is replace/report the helmet because damaged PPE may not protect them properly?