How is TIG welding different from the other two Arc welding processes used in our
shop? - ️️The electrode is not also the filler metal. You can control the amount of
heat put into the weld during the welding process through the foot pedal.
What is the temperature split between the positive a...
TIG Welding (GTAW) Test
How is TIG welding different from the other two Arc welding processes used in our
shop? - ✔️✔️The electrode is not also the filler metal. You can control the amount of
heat put into the weld during the welding process through the foot pedal.
What is the temperature split between the positive and negative end of an arc? -
✔️✔️70% of the heat to the positive side (the side receiving the electrons) and 30% to
the negative side (the side giving up the electrons)
What is a weld? - ✔️✔️The fusion of two pieces of metal or plastic by melting the base
metal until the two pieces flow together and cool as one.
filler metal - ✔️✔️Metal added to a weld to add mass/material and make it stronger
What is electricity? - ✔️✔️the flow of electrons
What is polarity? - ✔️✔️The direction in which electricity flows
What are the three polarities used in Arc welding? - ✔️✔️AC, DCEN, DCEP
What does the acronym DCEN stand for? - ✔️✔️Direct Current Electrode Negative
What does AC stand for? - ✔️✔️alternating current
What does Alternating current mean - ✔️✔️The rapid switching of direction of the flow
of electricity.
How hot is a TIG Arc? - ✔️✔️10,000 degrees Farenheit.
What does the Acronym TIG stand for? - ✔️✔️Tungsten Inert Gas
What does Inert mean? - ✔️✔️Non reactive - an inert gas or material will not react
chemically with the materials or process around it.
What inert gas is used in TIG welding - ✔️✔️Argon
What is the purpose using an inert gas in TIG & MIG welding? - ✔️✔️To shield the
weld from the atmosphere (air).
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