CSWIP 3.1 Multiple Choice Questions Set

30 Questions | Total Attempts: 891

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CSWIP Quizzes & Trivia

Questions and Answers
  • 1. 
    Deflection of the arc by magnetic forces that can make welding difficult to control is commonly known as:
    • A. 

      Arc initiation

    • B. 

      Arc misalignment

    • C. 

      Arc blow

    • D. 

      Arc constriction

  • 2. 
    Which of the following electrode types is classified to BS EN 499?
    • A. 

      E 38 3 R

    • B. 

      E 6013

    • C. 

      E 7018 - G

    • D. 

      E 51 33 B

  • 3. 
    Which type of electrode is used for stovepipe welding for overland pipeline construction
    • A. 

      Rutile

    • B. 

      Cellulosic

    • C. 

      High recovery rutile

    • D. 

      Acid-rutile

  • 4. 
    The three main types of MMA electrodes used for welding C and C-Mn steels are:
    • A. 

      Basic, cellulosic and rutile

    • B. 

      Neutral, cellulosic and rutile

    • C. 

      Basic, cellulosic and neutral

    • D. 

      Rutile, low hydrogen and basic

  • 5. 
    A WPS may specify a maximum width for individual weld beads (the weave width) when welding C-Mn steels. if the width is exceeded it may cause:
    • A. 

      Lack of inter-run fusion

    • B. 

      A reduction in HAZ toughness

    • C. 

      Lack of sidewall fusion

    • D. 

      Too low a deposition rate

  • 6. 
    You notice that MMA electrodes with the flux covering removed are being used as filler rods for TIG welding. This should not be allowed because:
    • A. 

      It is wasteful

    • B. 

      The rod diameter may be too large

    • C. 

      The weld metal composition may be wrong

    • D. 

      The rod is too short

  • 7. 
    In TIG welding, what is the benefit of a current slope-out device? It reduces...
    • A. 

      Tungsten spatter

    • B. 

      Risk of crater cracking

    • C. 

      Risk of arc strikes

    • D. 

      Interpass temperature

  • 8. 
    Which type of power source characteristic is normally used for manual welding?
    • A. 

      Constant Voltage

    • B. 

      Flat Characteristic

    • C. 

      Constant Current

    • D. 

      A Motor Generator

  • 9. 
    In MMA, welding penetration is principally controlled by:
    • A. 

      Arc voltage

    • B. 

      Welding speed

    • C. 

      Ferro-silicon in the electrode coating

    • D. 

      Current

  • 10. 
    Pipe bores of some materials must be purged with argon before and during TIG welding in order to
    • A. 

      Prevent linear porosity

    • B. 

      Prevent burn-through

    • C. 

      Prevent oxidation of the root bead

    • D. 

      Eliminate moisture pick-up in the root bead.

  • 11. 
    The chemical composition of the weld metal deposited by a C-Mn steel MMA electrode is usually controlled by:
    • A. 

      Core wire composition

    • B. 

      Additions in the flux coating

    • C. 

      Iron powder in the flux coating

    • D. 

      Dilution from the base material

  • 12. 
    Silicon is added to steel and the covering of MMA electrodes in order to:
    • A. 

      Provide deoxidation

    • B. 

      Improve strength

    • C. 

      Improve toughness

    • D. 

      Provide more resistance to hydrogen cracking.

  • 13. 
    A Fusible insert for TIG welding helps:
    • A. 

      Reduce porosity

    • B. 

      Give controlled root penetration

    • C. 

      Avoid the need for a back purge

    • D. 

      By acting as a backing for the root run

  • 14. 
    According to AWS 2.4 a weld symbol for the other side is placed:
    • A. 

      Above the dashed line

    • B. 

      Below the dashed line

    • C. 

      Above the solid line

    • D. 

      Below the solid line

  • 15. 
    The term low hydrogen electrode is often used for certain electrodes. What type of covering will they have?
    • A. 

      Cellulosic

    • B. 

      Rutile

    • C. 

      Acid

    • D. 

      Basic

  • 16. 
    A Hydrogen controlled MMA electrode can always be recognized by the:
    • A. 

      EN code letter (or AWS code number)

    • B. 

      Electrode length

    • C. 

      Trade name

    • D. 

      Colour of the covering

  • 17. 
    According to BS EN 22553 a weld symbol for the other side is placed:
    • A. 

      Above the dashed line

    • B. 

      Below the dashed line

    • C. 

      Above the solid line

    • D. 

      Below the solid line

  • 18. 
    Which of the following units is used to express heat input?
    • A. 

      Joules

    • B. 

      N/mm2

    • C. 

      J/mm2

    • D. 

      KJ/mm

  • 19. 
    Which of the following elements is added to steel to give resistance to creep at elevated service temperatures?
    • A. 

      Nickel

    • B. 

      Manganese

    • C. 

      Molybdenum

    • D. 

      Aluminium

  • 20. 
    Nick break and fillet fracture tests are used for assessing:
    • A. 

      Weld quality

    • B. 

      Weld metal ductility

    • C. 

      Weld metal toughness

    • D. 

      Resistance to fracture

  • 21. 
    Which of the following steels is considered non-magnetic?
    • A. 

      18% Cr, 8% Ni

    • B. 

      2.25Cr 1Mo

    • C. 

      9%Cr, 1Mo

    • D. 

      9%Ni

  • 22. 
    Weld spatter during MMA welding is most likely to be caused by:
    • A. 

      Excessive current

    • B. 

      Incorrect baking and storage of electrodes

    • C. 

      Bad batch of electrodes

    • D. 

      Too low an OCV

  • 23. 
    A qualified Welding Procedure Specification is used to:
    • A. 

      Give instruction to the welder

    • B. 

      Give information to the welder

    • C. 

      Give confidence that welds will have the specified properties.

    • D. 

      All of the above

  • 24. 
    An arc strike (stray flash) on a steel component is regarded by some codes as unacceptable because:
    • A. 

      It will cause copper contamination

    • B. 

      It may cause hard spots

    • C. 

      It may give cracking

    • D. 

      Both B and C

  • 25. 
    In a transverse tensile test brittleness would be indicated if:
    • A. 

      There is a reduction in cross-section at the position of fracture

    • B. 

      The fracture surface is flat and featureless but has a rough surface

    • C. 

      Fracture occurred in the weld metal

    • D. 

      The fracture face shows beach marks

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