Questions and Answers 100% Pass
Metal Inert Gas - ✔✔What does MIG welding stand for?
Don't have to start an arc, no slag, and no changing out electrodes. - ✔✔List at least 3
advantages of MIG welding.
No slag and no worrying about electrodes. - ✔✔Why is cleaning of a weld and prep
time cut down with MIG welding?
Direct Current (DC) - ✔✔Are MIG welders alternating current (AC) or direct current
(DC) machines?
Voltage will change very little with large changes in current. - ✔✔What does voltage
affect with MIG welding?
Voltage Control, Wire Feed Speed, and Shielding Gas Flow Rate. - ✔✔What are the
three things that have to adjusted to be in balance on a MIG welding machine?
A situation in which an electrode wire is fused to the contact tip. - ✔✔What is
burnback?
electrode - ✔✔The MIG gun can also be thought of as an ______________ holder.
Shielding Gas Cover - ✔✔After an arc is struck, what protects the molten puddle from
contamination due to elements in the air?
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