Base Metal Preparation

Most work site fires related to welding operations are caused by _____.

As the carbon content of carbon steel rises, the steel becomes _____.

Common grade stainless steels are classified by their _____?

The most common weld defect caused by surface contamination is _____.

Which statement is correct regarding the cleaning of base metals before welding? Options: All metals should be cleaned before welding., It is not necessary to clean new metal., Metals only need to be cleaned if they show signs of corrosion., Metals only need to be cleaned if they are painted or coated.

When two pieces of metal are welded end-to-end and forces are applied inwardly from each end, the pieces and their weld are being _____?

Surfacing welds can be used to _____?

One of the joints used with a plug and slot weld is a _____.

Compared to a single V-groove weld, a double V-groove weld _____?

The groove angle for welding open-root welds on plate is typically _____.