Term
| What fuel gases are used for welding aluminum |
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Definition
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Term
| What are two types of torches used in gas welding |
|
Definition
| Balenced pressure torches and injector torches |
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Term
| what color lenses are used for gas welding steel |
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Definition
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Term
| What color is used for gas welding aluminum |
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Definition
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Term
| what is one method of minimizing distortion when making a long butt weld |
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Definition
|
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Term
| why must thick plates be preheated prior to welding |
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Definition
| method of controlling expansion and contraction of the metal |
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Term
| why is it important that all traces of flux be removed after a piece of aluminum or magnesium |
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Definition
| it is corrosive, to stop corrosion |
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Term
| what is the difference between brazing and welding |
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Definition
| in brazing the base metal is not melted |
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|
Term
| what type of flame should be used for welding aluminum |
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Definition
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Term
| what is an acceptable acetylene line pressure to use when welding |
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Definition
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|
Term
| what is another name for gta welding |
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Definition
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Term
| What type of shielding gases are used for GTA welding |
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Definition
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Term
| What is the fucntion of the inert gas used in GTA and GMA welding |
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Definition
| forms a shield to keep oxygen awayfrom the weld puddle so oxides dont form |
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Term
| What is used as the electrode in GTA welding |
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Definition
| A small diameter tungsten wire |
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Term
| What are three types of power that can be used for GTA welding |
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Definition
| DC- Straight polarity, DC reverse polarity, and AC |
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Term
| Which type of power provides the greatest heat and deepest penetration in GTA welding |
|
Definition
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Term
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Definition
|
|
Term
| What are three different types of welding |
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Definition
| gas, electric arc and electrical resistance |
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Term
| What is the purpose of a pressure regulator used with oxyacetylene welding |
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Definition
| to reduce cylinder pressure to working pressure |
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|
Term
| what is the purpose of the torch used in oxyacetlylene welding |
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Definition
| to mix the oxygen and acetylene together |
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Term
|
Definition
| pointing the torch in the direction the weld is progressing |
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|
Term
| why should stainless steel not be repaired by welding |
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Definition
| it will lose its structural strength |
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|
Term
| what type of flame is used for welding stainless steel |
|
Definition
|
|
Term
| what type of flame should be used for brazing |
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Definition
|
|
Term
| explain the advantage of gas shielded arc welding |
|
Definition
| its prevents contamination form the atmosphere |
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|
Term
| what is metal inert gas welding |
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Definition
| gas shielded arc welding with a consumable electrode |
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