API-577 by API Valid Free Exam Practice Test

Question 1

At any time during the welding inspection, if defects are identified:

A. The inspector should examine all welds produced by the same welder. B. The inspector should determine whether the weld may be acceptable for the intended service. C. They should be corrected before welding proceeds further. D. The inspector should seek engineering input on whether the defect is actually acceptable.

Correct Answer: C

Question 2

As a result of welding, metals with a high coefficient of thermal expansion are:

A. Less susceptible to brittle fracture. B. More susceptible to brittle fracture. C. Less susceptible to cracking during welding. D. More susceptible to distortion during welding.

Correct Answer: D

Question 3

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

A. Coating operating characteristics. B. Electrode operating characteristics. C. Chemical composition. D. Welding position.

Correct Answer: A

Question 4

Which of the following is not usually an essential variable on a WPS form?

A. Welding position B. Groove design C. Welding technique D. Base metal

Correct Answer: C

Question 5

What is the most capable NDE method for finding a discontinuity such as incomplete fusion in a joint?

A. UT B. ET C. MT D. RT

Correct Answer: A

Question 6

When performing a carbon steel to carbon steel hot tap where the CE of one of the metals is greater than
0.42%, which of the following electrodes should be used?

A. E7018 B. E7048 C. E7048-H4 D. E7018-A1

Correct Answer: A

Question 7

Which of the following determines the necessity for preheat and postweld heat treatment?

A. The percentage of carbon that will be in the completed weld B. The rate of cooling after the welding is completed C. The carbon equivalent of the steel D. The as-rolled hardness of the welding components

Correct Answer: C

Question 8

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

A. Required welding procedure specifications. B. Required mechanical tests. C. Required welding procedure qualifications. D. Required procedure and performance qualifications.

Correct Answer: D

Question 9

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

A. Only the area of contrasting density B. The specific portion of a radiograph that needs to be evaluated C. The entire radiograph minus 2 in. (50.8 mm) from the edges D. The portion that is less than 3t from the center of the radiograph, where t is the thickness of the weld

Correct Answer: B

Question 10

In magnetic particle examination, the yoke is placed parallel to the weld to detect cracks:

A. In the undercutting. B. In the HAZ. C. Parallel to the weld. D. Transverse to the weld.

Correct Answer: D

API Welding Inspection And Metallurgy - API-577 Exam Practice Test