API-577 Exam Questions Instant Access - No Installation Required

Question 1

In hardness testing of carbon steel weldment specimens, there is an approximate relationship between hardness and:

AToughness

BTensile strength

CDuctility

DYield strength

Answer : B

Question 2

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

Question 3

What is the "area of interest" on a weld radiograph?

AThe entire radiograph minus 2 in. (50.8 mm) from the edges

BOnly the area of contrasting density

CThe specific portion of a radiograph that needs to be evaluated

DThe portion that is less than 3t from the center of the radiograph, where t is the thickness of the weld

Answer : C

Question 4

A ''mill certificate" is a/an:

AAnalysis of the chemical elements in an ingot.

BChemical analysis of a base metal to be welded.

CList of the chemical and mechanical properties specified by a purchaser.

DProduct analysis of mechanical properties of a base metal.

Answer : C

Question 5

For hot tap and in-service welding, above what carbon equivalent limit is it recommended to use extra low hydrogen electrodes to weld carbon steels?

A0.30%

B0.35%

C0.42%

D0.48%

Answer : C

Question 6

What is a discontinuity?

AAn interruption in the normal physical structure of a material.

BAn imperfection which is detectable with NDE.

CThe response or evidence from the application of NDE.

DA departure of a quality characteristic from its intended condition.

Answer : A

Question 7

Base metals are assigned P-numbers by the ASME Code, Section IX to reduce the number of:

ARequired welding procedure specifications.

BRequired welding procedure qualifications.

CRequired procedure and performance qualifications.

DRequired mechanical tests.

Answer : C

API Welding Inspection and Metallurgy API-577 Exam Questions