Welding Safety
Type of clothing should never be worn while welding
Flammable Fabrics
What tool is used to remove slag after stick welding
Chipping hammer
What’s another name for SMAW
Stick welding or Shielded Metal Arc Welding
What is the "arc"
The bright electrical spark that melts the metal
The minimum recommended shade for a welding helmet when arc welding
Shade 10 or 12
What do you use to protect metal surfaces from oxidation during welding?
Shielding gas
What is the metal rod used in arc welding called
Electrode
What do we call the flat metal we weld on
Base metal or workpiece
Why should you never weld near flammable materials or liquids
Sparks and heat can cause fires
What device controls the amount of current in a welding circuit?
Welding machine or power source
What creates the heat to melt the metal in arc welding
An electric arc between the electrode and the metal
What is "striking an arc"
Starting the weld by touching and lifting the electrode
What’s the purpose of a welding curtain or screen
To protect others from UV light and flying spark
What is the purpose of a wire brush in welding
Clean the weld or base metal
What forms over the weld and needs to be chipped off
Slag
What does "travel speed" refer to in welding
How fast you move the electrode across the metal
Why should you never weld in a closed, unventilated space
Fumes can build up and become dangerous to breath
What device connects your workpiece to the welding machine
Ground clamp
What happens if you move the electrode too far from the metal
The arc breaks or becomes unstable
What is "amperage"
The strength of the electric current used in welding