ARC Welding
Welding is a _______________?
Electrical circuit
What must always be worn while in the shop?
Safety glasses
What three components does every fire need?
Oxygen, fuel, heat
Can you work in the shop without a teacher present?
No
Where should you stand when operating the grinder or another tool in the shop? (Not including your welder).
To the side.
What shade does your welding helmet need to be?
10-12
When must hearing protection be worn?
While operating the grinder
What is a class A fire?
Ordinary combustibles
What do the four numbers mean on the electrode?
Tensile strength, position, special characteristics
How many students can work on a machine at one time?
1
When using any machine you must wait for the machine to do what before using it?
Can your clothes be baggy?
No, they should fit correctly
What is a class C fire?
Electrical
What needs to be connected to my welding table or work so I do not get shocked?
Ground clamp
What should you do if a machine breaks down?
Tell the teacher
What do you adjust on your welding machine depending on your welding rod?
Amperage
How thick should your gloves be for ARC welding?
They should be rough leather, gauntlet style
What is class B fire?
Flammable liquids
What is important about the flux coating?
Shield of gases, slag
When is it ok to get metal out of the shear?
When it is turned off
What are the four components of weld consistency?
Arc angle, speed, arc length, work angle
Describe what proper PPE should look like.
Long shirt, pants, gloves, safety glasses, welding helmet, leather shoes
What does P. A. S. S. stand for?
Pull the pin, aim at the base of the fire, squeeze the trigger, sweep the base of the fire
When should you inspect your welding machine?
Before I start welding each day
Why is ventilation important?
The keep the air in the shop clean.