The arc length is:(Multiple Choice) a) the distance from the tip of the welding electrode to the adjacent surface of the weld pool. b) the distance from the one side of the arc pool to the other. c) the term used to identify the length of the electrode. d) the term used to identify how much weld can be produced from one electrode.

The correct answer is b) the distance from one side of the arc pool to the other.<br /><br />The arc length refers to the distance between the electrode and the workpiece in welding. It is an important parameter in welding as it affects the quality and stability of the weld. The arc length is typically measured from the electrode to the workpiece, and it can vary depending on the welding process and the desired weld characteristics.