Smaw- Open root

If a groove only goes part of the way through the joint, welding in the groove results in what is called a

• J weld

• fillet weld

• backing weld

• partial joint penetration (PJP) weld

The portion of the edge of a part to be joined by a groove weld that has not been beveled or grooved is called

the _____.

• root face

• bevel face

• joint root

• groove angle

For long-term cutting or welding of materials containing cadmium, wear _____.

• an approved full-face, supplied-air respirator

• a metal fume filter

• a HEPA-rated filter

• a standard cotton filter

For an open-root V-groove weld, the thickness of the root reinforcement should be no more than _____.

• 1/32" (0.8 mm)

• 1/16" (1.6 mm)

• 1/8" (3.2 mm)

• 3/16" (4.8 mm)

When the plates are vertical but the axis of the weld is horizontal, the code for this position of groove weld is

_____.

• 1g

• 2g

• 3g

• 4g

Groove welds should be made with a gradual transition to the base metal at each _____.

• weld root

• throat

• toe

• root opening

When using weave beads in flat open-root V-groove welds, use a _____.

• 10- to 15-degree drag angle

• 15- to 20-degree drag angle

• 10- to 15-degree push angle

• 35- to 40-degree push angle

When welding open-root V-groove welds in the horizontal position, do not _____.

• feather tack welds with a grinder

• use weave beads

• chip and clean each pass

• use stringer beads

Which of the following positions is done using a push angle instead of a drag angle?

• 1g

• 2g

• 3g

• 4g

To prevent undercut in a vertical open-root V-groove weld, the welder should _____.

• increase the arc length

• use a downward push angle

• use a 30-degree drag angle

• pause slightly at each weld toe