welding terms

1. is the direction in which the current is flowing
3. is a fillet weld and can be used on metals up to 1/2 inch in thickness
4. is a situation in which electrons flow in one direction
5. is the opposition to the flow of current in a circuit it is what causes the electric energy to be transformed into heat
6. a popping sound means the amperage setting is to
8. is the distance from the tip of the bare end of the electrode to the base metal
10. is a weld that has two surfaces at right angles and the bead is a triangular shape
12. protects the molten metal from the atmosphere
13. a bead deposited on a metal surface for the purpose of building up the base metal
15. is a weld made in a space between the two pieces of metal to be joined
17. is the number of volts most welders operate on
19. negatively charged particles
20. is a measure of electrical pressure

2. is a situation in which electrical current alternates or reverses the direction of electron flow
7. a spring-loaded clamp attached to the table or project
9. is used to clean dirt, rust, and slag from metal
11. a humming sound means the amperage setting is to
14. is the flow of tiny particles called electrons through a conductor
16. is a measure of electrical current flowing through a circuit and is an indication of the heat being produced
18. running a bead with a sideways or oscillating motion