Practice Test For Los Angeles City Welder Certification Closed Book Section

33 Questions | Total Attempts: 525

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Practice Test For Los Angeles City Welder Certification Closed Book Section

Practice Test for Los Angeles City Welder Certification Closed Book Section Timed - you have 30 minutes to complete Multiple Choice Questions.


Questions and Answers
  • 1. 
    The minimum length of an intermittent  fillet weld
    • A. 

      1"

    • B. 

      1 1/4"

    • C. 

      1 1/2"

    • D. 

      1 3/4"

  • 2. 
    How many times may a low hydrogen electrode be rebaked?
    • A. 

      Not limited

    • B. 

      Twice

    • C. 

      Once, only after a 2 hour holding period

    • D. 

      Once

  • 3. 
    Fillet weld end return lengths have a maximum requirement of ___________ times the nominal size of the weld
    • A. 

      1 1/2

    • B. 

      4

    • C. 

      2

    • D. 

      3

  • 4. 
    What is the major function of the coating on an arc welding electrode?
    • A. 

      Acts as a scavenger, removes oxides and impurities

    • B. 

      Influences incomplete penetration

    • C. 

      Liquefies the base metal

    • D. 

       Adds moisture and accelerates the cooling rate

  • 5. 
    Square wave refers to the ____________.
    • A. 

       shape of the filler metal

    • B. 

       shape of the tungsten electrode

    • C. 

       shape of the output power

    • D. 

       shape of the power source control box

  • 6. 
    What NDE process is indicated in the following description? Detects surface discontinuities only. It can also verify fit-up, joint configuration, weld dimensions and profiles.
    • A. 

      PT

    • B. 

      RT

    • C. 

      MT

    • D. 

      VT

  • 7. 
    Of the following which is not considered a joint?
    • A. 

      Lap

    • B. 

      Corner

    • C. 

      Bevel

    • D. 

      Edge

  • 8. 
    The Los Angeles City certified welding license must be renewed every _________?
    • A. 

      6 months

    • B. 

      Year

    • C. 

      2 years

    • D. 

      3 years

  • 9. 
    Which of the following electrode(s) need shielding gas?
    • A. 

      E71T-1

    • B. 

      E71T-2

    • C. 

      E71T3

    • D. 

      Both   E71T-1 and E71T-2

  • 10. 
    Arc strikes on the base metal shall be
    • A. 

      Allowed on plate , not allowed on pressure pipe

    • B. 

      Repaired with grinder

    • C. 

      Allowed

    • D. 

      Avoided

  • 11. 
    Field welding shall not be performed when the ambient temperature is 
    • A. 

      Lower than 0 degrees F

    • B. 

      Above 0 degrees F

    • C. 

      Over 120 degrees F

    • D. 

      Below 102 degrees F

  • 12. 
    D1.1 structural code covers applications regarding carbon & low alloyed steels with a minimum yield strength of?
    • A. 

      Not covered in the D1.1 structural code

    • B. 

      100 KSI or less

    • C. 

      No limit

    • D. 

      100 KSI or more

  • 13. 
    Welding out of position with an EXX2X rod can cause?
    • A. 

      Spatter

    • B. 

      Overheating

    • C. 

      Incomplete penetration

    • D. 

      Undercut

  • 14. 
    A break in the arrow shaft of a weld symbol would have significance in a ______________?
    • A. 

      Bevel or j-groove

    • B. 

      None

    • C. 

      Bevel only

    • D. 

      J-groove only

  • 15. 
    When using the SMAW process the electrode  is positive only when using?
    • A. 

      DCSP

    • B. 

      AC

    • C. 

      NEVER

    • D. 

      DCRP

  • 16. 
    Low hydrogen electrodes end in what digits?
    • A. 

      4,7,8

    • B. 

      8,6,1

    • C. 

      5, 6, 8

    • D. 

      3,4,7

  • 17. 
    The "S" in ERXXS-X wire represents?
    • A. 

      Selected

    • B. 

      Silicone

    • C. 

      Solid

    • D. 

      Stainless

  • 18. 
    In GMAW, the welding variable controlled by the wire feed speed is?
    • A. 

      Voltage

    • B. 

      Current

    • C. 

      Stickout

    • D. 

      Arc length

  • 19. 
    What electrode is deep penetrating, can be used in all positions and can only be used on DCRP?
    • A. 

      E6013

    • B. 

      E7018

    • C. 

      E6011

    • D. 

      E6010

  • 20. 
    What suffix numbers in FCAW electrodes indicate the need for shielding gas?
    • A. 

      1-6

    • B. 

      7-11

    • C. 

      1,2,5

    • D. 

      5,6,8

  • 21. 
    All prequalified WPS shall be prepared by the ___________?
    • A. 

      Both a & b

    • B. 

      Contractor/fabricator

    • C. 

      Welder

    • D. 

      Inspector

  • 22. 
    All welding symbol information referring to the arrow side of the joint is found?
    • A. 

      Below the reference line

    • B. 

      Above the reference line

    • C. 

      To the left of the welding symbol

    • D. 

      In the tail

  • 23. 
    D1.5 is the ______________Code.
    • A. 

      Structural Steel

    • B. 

      Reinforcing Steel

    • C. 

      Sheet/Light Gage 

    • D. 

      Bride Welding

  • 24. 
    What is the maximum fillet weld size for 7/16" thick lap joint?
    • A. 

      1/16"

    • B. 

      1/4"

    • C. 

      3/8"

    • D. 

      5/16"

  • 25. 
    The legend for figures 3.2 & 3.3 does not cover?
    • A. 

      Preheat & interpass temperature

    • B. 

      Base metal thickness & penetration

    • C. 

      Joint information

    • D. 

      Backing information

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