Exactprep API-577 Questions

Welding Inspection and Metallurgy Exam Questions and Answers

Question 29

A-number groupings are based upon the:

Chemical composition of the deposited weld metal.

Comparable base metal ultimate strength values.

Weldability characteristics of the metal.

Type and strength of base metal.

Question 30

Exposed film that allows 1% of the incident light to pass through has a film density of:

1.0

2.0

3.0

4.0

Question 31

Rules for qualifying welding operators using radiography on a production weld require what minimum weld length to be examined?

6 in. (150 mm)

12 in. (300 mm)

24 in.(600 mm)

36 in. (900 mm)

Question 32

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

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

Only the area of contrasting density

The specific portion of a radiograph that needs to be evaluated

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