LA City Welder Certification Quiz!

16 Questions | By Lilgwelder | Last updated: Mar 22, 2022 | Total Attempts: 3645

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LA City Welder Certification Quiz! - Quiz

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"