LA City Welder Certification Quiz!
16 Questions
| Total Attempts: 2188
(203).jpg "LA City Welder Certification Quiz!")
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Questions and Answers
- 1.When may studs be furnished without flux?
- A.
Studs do not require flux
- B.
Never
- C.
Less than 5/16" diameter studs
- D.
1/4" diameter studs
- 2.What is the maximum diameter of E7018 electrode that can be used for a weld in the vertical position?
- A.
5/32"
- B.
1/8"
- C.
1/4"
- D.
7/32"
- 3.What is the maximum prequalified size a single pass 2F weld on ASTM A 36 plate be according to AWS D1.1, if welded with an E 7018 electrode?
- A.
3/8"
- B.
1/2"
- C.
5/16"
- D.
1/4"
- 4.What size spacer is required on a prequalified joint B-U3a-S?
- A.
1/4" x 1/2"
- B.
1/8" x 5/8"
- C.
1/4" x 3/16"
- D.
1/4" x 5/8"
- 5.For a joint with a base metal 3/4" thick, what designation hole type IQI should be used?
- A.
20
- B.
10
- C.
12
- D.
17
- 6.Prequalified welding procedures may be used to weld studs with the following process______
- A.
FCAW, GMAW, SMAW
- B.
SMAW
- C.
GTAW, GMAW
- D.
Prequalified welding process are not acceptable for welding studs
- 7.For what position(s) is/are a WPS qualified when the qualification test welds are slot welds in the horizontal position?
- A.
Flat and horizontal
- B.
All except overhead
- C.
All
- D.
Horizontal
- 8.For GMAW, the shielding gases must exhibit a dew point of ________?
- A.
-20 degrees F[ -20 degrees C ] or lower
- B.
-40 degrees F [-40 degrees C] or lower
- C.
-40 degrees F
- D.
-20 degrees C or lower
- 9.Which of the following electrodes can be used on a weathering steel like ASTM A558?
- A.
EXXXX-B2L
- B.
E6010
- C.
E7018
- D.
Option4
- 10.When stress relieving a weldment at a temperature of 150 degrees F below the minimum specified temperature, what is the minimum holding time per inch of thickness?
- A.
2 hours
- B.
4 hours
- C.
10 hours
- D.
20 hours
- 11.On flexible connections, the maximum length of the end return is _______times the nominal size of weld?
- A.
3
- B.
4
- C.
5
- D.
2
- 12.What is the root opening for a prequalified joint TC-U4a with a 45 degree angle?
- A.
1/8"
- B.
3/8"
- C.
Not specified
- D.
1/4"
- 13.Using E6010 in the 3G position what is the maximum electrode diameter?
- A.
3/16"
- B.
5/32"
- C.
1/4"
- D.
5/16"
- 14.The recommended nominal thickness of backing bars for the GMAW process is
- A.
1/4"
- B.
1/8"
- C.
3/16"
- D.
Not specified
- 15.What percentage of wire feed speed would require a WPS requalification for the FCAW process?
- A.
>25%
- B.
No change
- C.
> 10%
- D.
<15%
- 16.What is the minimum fillet weld size requirement for welding a 7/8" stud?
- A.
3/16"
- B.
1/4"
- C.
1/8"
- D.
5/16"
This test is designed to test your basic welding knowledge; this is approximate to Certificate II level in trades such as Boilermaking or Fabricating.
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