Welding Inspection and Metallurgy Exam (API-577) Practice Test

Questions # 11:

How much should each pass of the transducer overlap the previous path during a weld scan?

Options:

5% of the transducer element dimension.

10% of the transducer element dimension.

15% of the transducer element dimension.

20% of the transducer element dimension.

Questions # 12:

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

Options:

More susceptible to distortion during welding.

Less susceptible to cracking during welding.

More susceptible to brittle fracture.

Less susceptible to brittle fracture.

Questions # 13:

To reduce the possibility of cracking, which of the following maximum hardness levels is required for weldments in wet H2S service?

Options:

HRC 20

HRC 22

HRC 25

HRC 32

Questions # 14:

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

Options:

Re-qualify the PQR.

Re-qualify the WPS.

Record the change on the existing WPS.

List the change as a supplement to the WPS.

Questions # 15:

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

Options:

Questions # 16:

Prior to any welding, inspectors should review the:

Options:

WPQ to verify that the welder is qualified to perform the welding, given its position and process.

WPQ to verify that the specification in use is correct.

PQR to verify that the welder is qualified to perform the welding, given its position and process.

WPS to verify that the welder is qualified to perform the welding, given its position and process.

Questions # 17:

Crater cracks typically occur:

Options:

In weld metal at the point where the arc terminates.

In the HAZ at the point where the arc initiates.

In weld metal at the point where the arc initiates.

In the HAZ at the point where the arc terminates.

Questions # 18:

Which source of radiation is normally used for performing field radiography on steel with a 4-in. thickness?

Options:

Selenium 75

Cobalt 60

Iridium 192

X-ray machine

Questions # 19:

At least how far on each side of the weld should preheat be maintained?

Options:

2 in. (5.1 cm)

3 in. (7.6 cm)

4 in. (10.2 cm)

6 in. (15.2 cm)

Questions # 20:

API Recommended Practice 577 provides:

Options:

A definition of welds that should be inspected in refinery and chemical plant equipment.

A definition of specific techniques and practices that should be used for welding inspection.

Guidance on the extent and scope of inspection required for specific types of welds.

Guidance on welding inspection during the fabrication and repairing of refinery equipment and piping.

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