Arc Welding Processes

At the end of this course you will be able to:  Describe the basic components of the arc welding process List the three major types of arc welding Describe why shielding is important to arc welding Describe the electrode in shielded metal arc welding Describe the effect of polarity in shielded metal arc welding Describe the electrode in gas metal arc welding List what gases can be used in gas metal arc welding Describe the electrode in gas tungsten arc welding Describe the purpose of a high frequency unit in gas tungsten arc welding