General information
The history of welding began in …
The Bronze Age
The oldest known weld was discovered nearly 2000 years ago when a small gold box was fused together by a pressure weld.
Welding activities may expose you to what?
Hazardous fumes and gasses such as Ozone / Nitrogen Oxides / Chromium / Nickel oxides and Carbon Monoxide.
Fire resistant gloves, Welding helmet, Protective clothing, goggles, leather apron, sleeve arm guards.
What is used to protect you from burns, splatter, and chemicals? Appropriate PPE
True or False:
It is the responsibility that the employer removes all combustible materials from welding workstation areas.
TRUE
(It is the employers responsibility to ensure all hazards are removed from your work area).
The bonding of two like or different materials bonded together by heat or pressure
What is welding.
What physical hazards are you exposed to in welding activities?
Burns / Cuts / Crush Injuries
Welding Helmet
What is used to protect your eyes from burns?
True or False:
Employer must provide a safe clean workplace free from hazards and air contaminants.
TRUE
Employer must provide a safe clean workplace free from hazards and air contaminants that include respiratory protection.
How long must a fire watch be performed after the welding has been completed?
30 minutes after the welding is completed.
Two metals have a different voltage between them and can create what hazard, what is this called?
An Electric Shock
A piece of steel falls from your table, what is required to be worn to protect you from falling objects.
Steel Toe Boots/shoes
What PPE is required for welding activities?
Gloves, eye protection, respirators.
Finish the sentence:
... is used to protect the weld
from the atmosphere-oxygen
shielding gas/flux
Removing combustibles and keeping a dry clean work area will prevent what?
Fires and Explosions
What shade of lens is required for welding?
Depends on the type of welding you're doing.
10-13 shade level for Mig Welding
8 or higher for Tig Welding
5-8 for grinding, cutting
True or False:
Fire extinguishers must be provided, and welders must be trained to use them.
TRUE
What is the object called that is used as the filler metal or electrode, that is used to join 2 other base metals.
.
The welding rod
A welding process that is used to join metal to metal by using electricity to create enough heat to melt metal is called what? It is known as the most common type of welding.
arc welding
What long term respiratory health hazard could welders experience with long term welding.
Welding lung other known as Pneumosiderosis.
True or False:
It is the responsibility of the employer to train incompetent individuals on the safe operation of the equipment being used.
FALSE
The employer should deem the individual a COMPETENT person prior to training on the equipment.