Joining

What is the process that involves the fusion of materials?

• Mechanical joining

• Soldering

• Brazing

• Arc welding

What type of joint is made using an AC or DC power supply?

• Electron beam welding

• Resistance welding

• Arc welding

• Friction welding

What process requires close contact between surfaces?

• Electron beam welding

• Arc welding

• Friction welding

• Brazing

Which of the following processes is known for its high cost?

• Resistance welding

• Electron beam welding

• Arc welding

• glueing

What safety equipment is needed for oxyacetylene welding?

• Latex gloves

• Welder's mask

• Glasses with dark lenses

• Glasses with smoked lenses

What type of welding is used to join dissimilar metals?

• Arc welding

• Friction welding

• Resistance welding

• Brazing

What is the minimum temperature for brazing to occur?

• 200°C

• 600°C

• 300°C

• 450°C

What phenomenon is used in friction welding?

• Diffusion

• Melting

• Radiation

• Conduction

What type of welding uses an electric arc to generate heat?

• Resistance welding

• Electron beam welding

• Arc welding

• Brazing

What is a disadvantage of arc welding?

• Requires less energy

• Lower temperature

• Degradation of mechanical properties

• Does not require protective equipment