Home/api/Free API API-577 Actual Exam Questions

Free API API-577 Actual Exam Questions

The questions for this exam were last updated on January 7, 2026

Dumps Box (DumpsBox) offers up-to-date practice exam questions for API-577 certification exam which are developed and validated by API subject domain experts certified in API API-577 . These practice questions are update regularly as we keep an eye on any recent changes in API-577 syllabus, and when there is update our team quickly adjusts the questions. This commitment to providing the best quality exam prep material to certification aspirants is what makes DumpsBox.com the best certification exam prep website. On top of that, our strong, yet strictly moderated, community based feedback keeps the content clean and current. Each question has helpful community discussion that provides it extra perspective and introduces helpful resources for better exam preparation. This also saves students from other outdated practice questions or illicit exam dumps that can have adverse affects on career. Browse through our API API-577 exam questions and pass your exam on first try.

View 110 Questions Browse api exams

Question No. 1

For design purposes, the maximum usefulness of a weldment under test is based upon the:

Select one option, then reveal solution.

Question No. 2

Which of the following can result from residual magnetism left in a partially completed weld?

Select one option, then reveal solution.

Question No. 3

Mechanical tests are required to qualify a welding procedure to document that the properties of the
weldment meet which of the following?

Select one option, then reveal solution.

Question No. 4

When welding using the GTAW process, which of the following best describes the appearance of a
transverse crack on a radiograph?

Select one option, then reveal solution.

Question No. 5

For what maximum outside diameter may a radiographic technique be used in which the radiation
passes through two walls and the weld in both walls is viewed for acceptance?

Select one option, then reveal solution.

Question No. 6

For GMAW welding, the last number of the electrode identifies the:

Select one option, then reveal solution.

Question No. 7

A four-digit designation for a SMAW electrode under AWS classification uses the third digit to define
the:

Select one option, then reveal solution.

Question No. 8

What GMAW welding process uses carbon dioxide as the shielding gas, and is limited to the flat and
horizontal position?

Select one option, then reveal solution.

Question No. 9

The simplest weldability tests are those that evaluate:

Select one option, then reveal solution.

Question No. 10

P-numbers are based on which of the following?

Select one option, then reveal solution.

Question No. 11

The change in shape (deformation) that a test specimen experiences when it is stressed or loaded is
called:

Select one option, then reveal solution.

Question No. 12

A “mill certificate" is a/an:

Select one option, then reveal solution.

Question No. 13

General awareness of metallurgy is important to the welding inspector because:

Select one option, then reveal solution.

Question No. 14

What is the major cause of lack of fusion in all welding processes involving carbon steel?

Select one option, then reveal solution.

Question No. 15

If an individual changes an essential variable in the WPS, the individual must:

Select one option, then reveal solution.