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Which of the following is a practical solution that could prevent or reduce lack of fusion in carbon steel during the weld process?

A.

Reduce travel speed

B.

Provide proper heat input

C.

Avoid excessive weaving

D.

Use proper joint design

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 as-rolled hardness of the welding components

C.

The carbon equivalent of the steel

D.

The rate of cooling after the welding is completed

API Recommended Practice 577 provides:

A.

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

B.

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

C.

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

D.

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

Steels usually require both preheat and PWHT if they have a carbon equivalent higher than:

A.

0.35

B.

0.45

C.

0.50

D.

0.55

What is the Brinell hardness limit value for 1-1/4 Cr -1/2 Mo steel in refining service?

A.

200

B.

215

C.

225

D.

241

What is the maximum temperature at which ACFM may be used?

A.

300°F (150°C)

B.

500°F (260°C)

C.

900°F (480°C)

D.

1000°F (540°C)

A root opening of a groove weld is:

A.

The surface of a joint member included in the groove.

B.

A separation at the joint root between the work pieces.

C.

The beveled surface of the joint members.

D.

That portion of the groove face adjacent to the joint root.

Which of the following is a practical solution to eliminate or reduce porosity when welding carbon steel?

A.

Reduce travel speed

B.

Proper shielding

C.

Lower heat input

D.

Arc length control

Which of the following statements is true?

A.

PQRs qualified on P8 materials also qualify for P1 materials.

B.

Welding procedures must be supported by more than one PQR.

C.

All PQRs must be qualified with impact testing.

D.

One PQR may support several WPSs.

In general, austenitic stainless steels are considered to have:

A.

Good weldability.

B.

Significant issues with lack of sidewall fusion.

C.

Fewer problems with distortion.

D.

A tendency toward lack of root pass fusion.