COMPLETE SOLUTIONS, GRADED A+
The maximum size fillet allowed along an edge of a 15/16" plate in a lap joint,
is Answer - 7/8" F. 2.1 (b)
The depth of filling of plugs or slot welds in metal 5/8" thick or less shall be
equal to the thickness of metal. In metal over 5/8" thick, it shall be at least
____ the thickness of the metal or 5/8" whichever is greater Answer - 50% C.
2.4.5.4(2)
8. A" PQR/WPS" essential variable will need re-qualification if a Answer -
Deletion of PWHT is made T. 4.5(37)
10. ARC shields (Ferrules) may remain in place after welding provided Answer -
e. None of the above С. 7.4.6
11. No welding shall be performed when the temperature of the base metal is
below? Answer - 0°F 32°F T.32(9) C. 5.12.2
Requalification of a PQR/WPS when using FCAW is not required when Answer -
A change in travel speed by 10% T. 4.5(25)
A PQR would be required for SAW if a Answer - For auto SAW an increase of 6°
in electrode angle T.4.5(25)
, 14. In using SMAW process, for a TC-U4a joint with a root opening of 3/8",
what will be the groove angle? Answer - 30° F 3.4
15, What is the minimum preheat and inter-pass temperature when plug
welding a 1-1/4" thick ASTM AS72 GR.60 plate onto a 2.625" ASTM 992 flange
Answer - 225°F 150°F F.3.2
What is the minimum nominal thickness of backing when using an ER7OS-X
filler metal? Answer - 1/4" C. 5.10.3
What is the yield strength for type B studs? Answer - 51,000 psi T.7.1(b)
What is the minimum thickness of metal an AWS D1.1 welder can work on.
Answer - 1/8" C.1.2
What is the prohibited size fillet welds according to the AWS D1.1 code Answer
- <3/16" C.2.18.3
20. What is the maximum weld reinforcement for a cyclically loaded structure
>2"? Answer - 3/16" T.5.10(a)
The maximum size single pass fillet in the 3F position using SMAW is Answer -
1/2" T.3.7
The AWS D1.1 structure welding code is not intended to be used for steel with
the minimum specified yield strength greater than Answer - 100 KSI C.1.2
When connecting two 1.25" plates with a "CJP" butt weld, the maximum
groove weld reinforcement is Answer - 3/16" T.5.10