PPE
What piece of PPE is an absolute must AT ALL TIMES when working in the metals shop?
Safety glasses.
What can welding fumes displace from the air?
Oxygen.
Name one major hazard associated with welding.
Fumes and gases, electric shock, arc rays, fire and heat, or noise.
What should you consider every piece of metal to be?
Hot.
What class of fire involves paper, wood, and cloth?
Class A.
What type of shoes should be worn while welding?
Leather boots/closed toed shoes
Where can welding fumes come from?
Electrodes or the base metal.
What can increase the risk of electric shock?
Water, damp clothing, or moisture on the skin.
What should you use to pick up hot metal?
Pliers.
What class of fire involves combustible liquids such as gas and oil?
Class B.
What should you wear to protect your hands while welding?
Actual welding gloves.
What should you do before welding to ensure proper ventilation?
What can arc rays do to your eyes and skin?
Injure your eyes and burn your skin.
Name two flammable materials that should be removed before welding.
Grease, oil, gasoline, or other flammable materials.
What class of fire involves combustible metals such as titanium and magnesium?
Class D.
What is wrong with wearing jeans that have holes, frayed edges, or cuffs?
Jeans should not have holes, be frayed, or be cuffed.
Name two ways to improve ventilation while welding.
Turn on the ventilation system and/or open doors and windows.
What should you do to protect yourself from arc rays?
Set the correct helmet shade, wear long pants and a shirt, cover your neck, and close the welding booth curtains.
What can welding sparks cause?
Burns, fires, and explosions.
What class of fire involves electrical equipment?
Class C.
For SMAW/GMAW, what helmet lens shade number does the presentation recommend?
Shade 10.
What should you check to determine ventilation and respirator requirements?
The product labeling and MSDS.
Why should you never weld if you are wet or the floor is wet?
Water and moisture increase the risk of electric shock
Why should you never weld on a completely closed container?
How should welding cylinders be stored?
Upright, fastened to a wall or welding cart, with the safety cap on.