1) What does 'MIG' stand for? a) Metal Insert Gas b) Metals Inside Greenland c) Metal Inert Gas d) Metal Invert Grass 2) What does 'TIG' stand for? a) Total Inert Gas b) Tungsten Inert Gas c) Titanium Insert Gas d) Torpedoes Inside Gas 3) How does MIG welding work? a) filler material is melted as it comes out of the welding gun between two pieces of metal to join them together b) A gas-flame torch melts the separate rod of material between the pieces of material to join them together c) An electric current is passed between the filler rod and material, creating a current that melts the filler rod and joins the two pieces of metal together. d) Two pieces of metal are placed together in between copper rods which are closed over the metal, passing an electrical current through them and the metal, which fuses the two pieces of metal together 4) How does TIG welding work? a) filler material is melted as it comes out of the welding gun between two pieces of metal to join them together b) A gas-flame torch melts the separate rod of material between the pieces of material to join them together c) An electric current is passed between the filler rod and material, creating a current that melts the filler rod and joins the two pieces of metal together. d) Two pieces of metal are placed together in between copper rods which are closed over the metal, passing an electrical current through them and the metal, which fuses the two pieces of metal together 5) How does spot welding work? a) filler material is melted as it comes out of the welding gun between two pieces of metal to join them together b) A gas-flame torch melts the separate rod of material between the pieces of material to join them together c) An electric current is passed between the filler rod and material, creating a current that melts the filler rod and joins the two pieces of metal together. d) Two pieces of metal are placed together in between copper rods which are closed over the metal, passing an electrical current through them and the metal, which fuses the two pieces of metal together 6) What are the two forms of soldering? a) MIG and TIG b) Hard and soft c) Scrambled & boiled d) Spot & Electric Arc 7) Soft soldering is typically used for... a) circuit boards b) joining large sections of material together c) joining sections of pipes 8) Hard soldering (brazing) is used for... a) low temperature joins b) joining sections of pipes c) circuit boards

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