Exploring Welding Process Classifications

What is the primary purpose of welding?

• To paint metals

• To temporarily join metals

• To permanently join metals

• To cool down metals

What is the main difference between fusion welding and pressure welding?

• Fusion welding uses filler material, pressure welding does not

• Fusion welding uses pressure, pressure welding does not

• Fusion welding uses heat, pressure welding uses cold

• Fusion welding heats metals to melting point, pressure welding uses heat and pressure below melting point

Which of the following is NOT a type of fusion welding?

• Resistance welding

• Arc welding

• Laser beam welding

• Oxy-fuel welding

In arc welding, what creates the heat necessary to melt the metal?

• Friction

• An electric arc

• A laser beam

• A gas flame

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-4

What is another name for Shielded Metal Arc Welding (SMAW)?

• TIG welding

• MIG welding

• Stick welding

• Submerged arc welding

Which gas is used in Metal Inert Gas (MIG) welding?

• Oxygen

• Carbon dioxide

• Inert gas

• Hydrogen

What is the main characteristic of Submerged Arc Welding (SAW)?

• It is done underwater

• It requires no filler material

• It uses a laser beam

• The arc is submerged in flux

Which welding process is most commonly used in the automobile industry?

• Friction welding

• Resistance welding

• Cold pressure welding

• Ultrasonic welding

Which of the following is NOT a type of resistance welding?

• Spot welding

• Seam welding

• Thermite welding

• Projection welding

What is the primary method used in resistance welding?

• Using heat and pressure

• Using ultrasonic waves

• Using an electric arc

• Using a laser beam