API-577 Exam Dumps - Welding Inspection and Metallurgy Exam

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Question # 25

Where is the weld HAZ assumed to be for purposes of hardness testing?

0.25 inch on either side of the fusion zone

0.25 inch away from the toe of the weld into the base metal

1 inch on either side of the centerline of the weld

Just adjacent to the toe of the weld

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Question # 26

API Recommended Practice 2201 primarily covers the:

WPS/PQR aspects of in-service welding.

Technical aspects of hot tapping.

Safety aspects of in-service welding.

Weldability aspects of in-service welding.

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Question # 27

A crack with its major axis oriented approximately perpendicular to the weld axis is called a:

Lamellar crack.

Non-directional crack.

Transverse crack.

Perpendicular crack.

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Question # 28

Which of the following is a commonly accepted advantage of flux core arc welding (FCAW)?

Equipment is simple, inexpensive, and portable.

The slag supports and shapes the weld bead.

There is a reduced requirement for ventilation.

There is minimal postweld cleanup.

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Question # 29

The carbon equivalent formula indicates:

Whether postweld heat treatment (PWHT) will be needed.

Whether preheat will be needed.

The theoretical carbon content of a steel.

The weldability of a steel, based on carbon content.

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Question # 30

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?

E7048-H4

E7048

E7018-A1

E7018

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Question # 31

Which term is used to describe a groove melted into the base metal adjacent to the weld toe or weld root and left unfilled by weld metal?

Longitudinal groove

Incomplete fusion

Under fill

Undercut

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