AWS AWS Welder Qualification & Procedure Testing 3

Question 1

Passing a 3G (vertical) groove weld qualification test under AWS D1.1 qualifies a welder for which positions?

Accepted Answer

Flat, horizontal, and vertical

Answer

A 3G vertical groove weld qualification under AWS D1.1 qualifies the welder for flat, horizontal, and vertical positions.

Question 2

What does the AWS filler metal classification E7018 indicate?

Accepted Answer

E=Electrode, 70=70 ksi tensile, 1=all-position, 8=low-hydrogen iron powder coating

Answer

AWS E7018 means: E=electrode, 70=70 ksi minimum tensile strength, 1=all-position, 8=low-hydrogen iron powder coating with DC+ or AC current.

Question 3

What does the 'F-number' designate in AWS filler metal classification?

Accepted Answer

The filler metal group for welder qualification purposes

Answer

F-numbers group filler metals by usability characteristics; qualifying with one F-number group covers all lower-numbered groups.

Question 4

Under AWS D1.1, the minimum base metal thickness generally covered by prequalified SMAW WPS provisions is:

Accepted Answer

1/8 inch

Answer

AWS D1.1 prequalified WPS provisions generally apply to base metal 1/8 inch (3.2 mm) thick and greater for SMAW.

Question 5

A 'nonessential variable' in a WPS is one that:

Accepted Answer

Can be changed without requalifying the procedure

Answer

Nonessential variables do not significantly affect weld mechanical properties and may be changed without requalifying the WPS.

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