API-577 Exam Dumps - API ICP Programs Questions and Answers

Neutralize and clean the surface within 6 in. (150 mm) of weld bevels

Steam out the piping system and dry

Verify with pH paper that any surface liquid is “basic"

Grind the surfaces near the bevel to remove contaminants

Good weldability.

Significant issues with lack of sidewall fusion.

Fewer problems with distortion.

A tendency toward lack of root pass fusion.

Welding technique

Groove design

Base metal

Welding position

The surface of a joint member included in the groove.

A separation at the joint root between the work pieces.

The beveled surface of the joint members.

That portion of the groove face adjacent to the joint root.

2 in. (5.1 cm)

3 in. (7.6 cm)

4 in. (10.2 cm)

6 in. (15.2 cm)

An area next to the heat-affected zone that has suffered some softening and loss of strength.

The microstructure of the weld that has been melted and will therefore have properties more like a casting than the base metal.

An area near the heat-affected zone affected by welding that may experience intergranular corrosion.

The high residual stress zone adjacent to the weld fusion line that will have higher hardness than the weld or base material.

Voltage

Arc length

Heat

Travel speed

Assure that the welded material has sufficient yield strength to avoid brittle fracture.

Assure that the welded material has sufficient ductility to assist brittle fracture.

Assure that the welded material has sufficient toughness to resist brittle fracture.

Assure that the welded material has sufficient tensile strength to avoid failure at design loads.

Interpass temperature control is not needed.

There is less susceptibility to cracking from contaminants.

There is less susceptibility to lack of fusion.

The weld pool tends to be sluggish.

Under low humidity conditions.

In warm holding ovens.

In sealed plastic containers.

In tightly sealed ovens.