Welding Methods
When welding, The amperage you set your machine to depends on what factors?
The type and thickness of your work piece
What two gasses are used in oxy-acetylene cutting?
Oxygen and acetylene
What is the most common injury to welders?
Burns
The longer the handle on a wrench, the better the ______?
Leverage or Torque
The process of depositing connective weld beads parallel to one another
Padding
The degree of taper on an electrode effects what?
What is the process called when taking a piece of metal from a factory squared edge to a v-groove?
Beveling
How far should the bottom of a ladder be from the structure it is leaning against?
1/4 of the height
What number in a SMAW electrode name denotes positions rod can be used in?
3rd number
What causes a narrow bead with excessive undercut?
Travel speed too fast
What welding process is the most versatile for most welding situations or locations?
SMAW
How far can a plasma arc spray?
40ft
Under what circumstances can you receive electric shock?
When you touch two pieces of metal with electric voltage or current
How often should you check the condition of your ground clamp and electrode holder leads? (EX. nicks, cuts, loose screws)
Daily
What are the two types of gasses found in most welding/fabrication shops?
Inert and combustable
In GTAW welding as the current increases, what must you also increase?
Electrode size
Name two gasses you can use as a fuel source for torch cutting
Acetylene and Propane
What is the maximum distance from the grinding wheel you can have your work guide set at for a pedestal grinder?
1/8"
What is the first thing you should do when changing out a disc/wheel on an angle grinder?
Unplug the cord
What is the tool used to measure weld size?
Fillet gauge
The process of heating metal and cooling it slow to remove stress and make it easier to work
annealing
What is the melting point of steel
2500-2800 degrees
What is the most hazardous metal alloy to weld?
Stainless Steel
What are the two processes you could use a constant current welding machine for?
SMAW and Carbon Arc Gouging
What is the area around the weld that was altered by the heat cause by the weld?
Heat affected zone