Base Metal Preparation

Front

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

Back

cutting torches

Front

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

Back

more likely to corrode

Front

Common grade stainless steels are classified by their _____?

Back

grain structures

Front

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

Back

porosity

Front

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.

Back

All metals should be cleaned before welding.

Front

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 _____?

Back

compressed

Front

Surfacing welds can be used to _____?

Back

build up surfaces

Front

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

Back

lap

Front

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

Back

requires half the weld metal

Front

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

Back

60 degrees