Welding Knowledge Quiz

What usually controls the size of the weld in welding?

• The length of the electrode

• The tip diameter

• The welding pressure

• The type of metal

What can happen if the tip diameter is too large during welding?

• The welds may be too weak

• The workpiece may be overheated

• The metal may not fuse

• The electrode may break

What is exerted between the electrodes on the two pieces of metal during welding?

• Heat

• Pressure

• Light

• Sound

What is the effect of low welding pressure?

• Excessive tip marking

• Surface burning and arcing

• Stronger welds

• Faster welding time

What is the carbon arc welding (CAW) process known for?

• Using a shielding gas

• Being the newest welding process

• Producing coalescence of metals by heating them with an arc

• Requiring filler metal

What type of machine is typically used for carbon arc welding in the sheet metal trade?

• AC machine

• DC machine

• Gas machine

• Hydraulic machine

What is the purpose of sharpening the carbon electrode in carbon arc welding?

• To increase the temperature

• To create a point for the arc

• To reduce electrical resistance

• To improve the metal finish

What type of filler rod is typically used for light sheet metal carbon arc welding?

• Steel rod

• Copper coated bronze alloy rod

• Aluminum rod

• Titanium rod

What is not needed due to the self-cleaning action of the arc in carbon arc welding?

• Filler rods

• Fluxes

• Electrodes

• Protective gear

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

• MIG welding

• Stick welding

• TIG welding

• Gas welding