SMAW
Is SMAW reverse or straight polarity?
Reverse Polarity or Positive
What polarity does GMAW run on?
Reverse Polarity or Positive
What is the purpose of the flux in FCAW?
To help shield the puddle from the atmosphere
What type of metal is the electrode made of used to carry the current to the work?
Tungsten
SMAW
Shielded Metal Arc Welding
What type of flux is on a 7018 rod?
Mineral based low hydrogen
Is MIG Constant Current or Constant Voltage?
CV
What is FCAW mainly used for?
Heavy structural fabrication
What polarity does GTAW use?
Straight or negative
GTAW
Gas Tungsten Arc Welding
What type of flux is on a 6010?
Cellulose
What kind of gas does MIG use?
75% Argon 25% Co2
What style rollers should be used for FCAW?
Knurled rollers
Name 5 parts of a TIG torch
Cup, collet body, collet, back cap, insulator, torch body, gas diffuser, tungsten
API 1104
What does the numbers on a 7018 mean?
70- 70,000 1- all positions 8- flux make up
What part on a MIG gun brings the current to the wire itself?
Contact Tip
What are two common discontinuities on FCAW welds?
Wormhole porosity, trapped slag
What two gases can be used for TIG welding?
100% Argon or 100% Helium
MSDS
Material Safety Data Sheet
Slag is made of what?
Silicone Dioxide
What transfer mode is most commonly used for MIG?
Short Circuit
What is the difference between innershield and outershield?
One uses gas the other doesnt
What was TIG welding first named when it was invented?
Heli-Arc Welding
SAW
Submerged Arc Welding