API-577 Exam Practice Test Instant Access

Question 1

If a nonessential variable is changed on a WPS, which of the following actions must occur?

AThe welding inspector can simply make the change on the WPS and initial as proof of acceptance.

BIt may be changed on the WPS without requalifying the welding procedure.

CThe welding procedure will need to be requalified by performing mechanical testing.

DImpact testing must be performed at the discretion of the welding engineer.

Answer : B

Question 2

Which welding process produces a fast-freezing weld pool and is generally suited for joining thin sections or root passes?

AGMAW-S

BGTAW

CGMAW

DFCAW

Answer : B

Question 3

What does an AWS classification number identify?

AElectrode diameter and strength

BElectrodes and welding rods

CChemical composition of the deposited weld metal

DBase metal and group number

Answer : B

Question 4

What is a sensitized microstructure in austenitic stainless steels?

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

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

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

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

Answer : C

Question 5

A-number groupings are based upon the:

AChemical composition of the deposited weld metal.

BComparable base metal ultimate strength values.

CWeldability characteristics of the metal.

DType and strength of base metal.

Answer : A

Question 6

For SMAW welding, the last number of the electrode identification identifies:

AChemical composition.

BElectrode operating characteristics.

CWelding position.

DCoating operating characteristics.

Answer : D

Question 7

P-numbers are based on which of the following?

AComparable base metal characteristics

BWeldability characteristics of base metal

CElectrode characteristics

DChemical composition of the base metal

Answer : B

API-577 Welding Inspection and Metallurgy Exam Practice Test