CSWIP Questin 3

30 Questions | Total Attempts: 1407

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CSWIP Questin 3

Multi Choice Question


Questions and Answers
  • 1. 
    Which of the following does not require baking or drying?
    • A. 

      E 6010

    • B. 

      E7018

    • C. 

      Sub are flux with Basicity Index of 2

    • D. 

      Sub are flux with Basicity Index of

  • 2. 
    A welder and procedure re-qualification would be required:
    • A. 

      When the run out date of the procedure has been reached

    • B. 

      Every Year

    • C. 

      When changing from day to night shift work

    • D. 

      When there is a change in an essential variable

  • 3. 
    Tensile strength can be increased in steel by:
    • A. 

      Annealing

    • B. 

      Galvanising

    • C. 

      Addition of carbon

    • D. 

      Casting

  • 4. 
    Which of the following always occurs in the parent material?
    • A. 

      Hydrogen cracks

    • B. 

      Laps and laminations

    • C. 

      Centre line cracks

    • D. 

      Porosity

  • 5. 
    To prevent the hardening and cracking of High Carbon Steel plate when flame cutting it is advisable to:
    • A. 

      Pre-heat the plate

    • B. 

      Soak the plate in oil

    • C. 

      Cool the plate quickly after cutting

    • D. 

      Increase the cutting Oxygen pressure

  • 6. 
    You should always refer to a higher authority for guidance when:
    • A. 

      Cracks appear during welding

    • B. 

      The welder will not follow your instructions

    • C. 

      Instructions are missing in the specification or contract documents

    • D. 

      All of the above

  • 7. 
    Fatigue testing is used to test welds:
    • A. 

      Under cyclic loading

    • B. 

      Under creep stress loadings

    • C. 

      Under impact loading

    • D. 

      Under static loading

  • 8. 
    In BS 639 and BSEN499 the first digits of the electrode classification indicate:
    • A. 

      Tensile and yield strength

    • B. 

      Toughness

    • C. 

      Electrode coating

    • D. 

      Electrode efficiency

  • 9. 
    Cellulosic coatings are generally used because of:
    • A. 

      Their low hydrogen content

    • B. 

      Their high penetration characteristic

    • C. 

      Their high strength weld deposit

    • D. 

      Their high weld toughness values

  • 10. 
    When welds have a depth to width ration of higher than 2:1 it is possible that:
    • A. 

      Centreline cracks may appear

    • B. 

      The fusion boundary will be outside the HAZ

    • C. 

      The HAZ will be too narrow

    • D. 

      The weld will be non magnetic

  • 11. 
    On which of the following would you not use MPI inspection?
    • A. 

      A low carbon steel butt-welded joint

    • B. 

      An Austenitic Stainless steel fillet welded T joint

    • C. 

      A medium carbon steel fillet welded lap joint

    • D. 

      All of the above

  • 12. 
    Increasing the arc energy input of a welded joint will:
    • A. 

      Increase the strength of the joint

    • B. 

      Increase the toughness of the joint

    • C. 

      Increase the grain size of the weld and HAZ

    • D. 

      Decrease the width of the HAZ

  • 13. 
    In Sub Arc Welding, excessive flux melting will result from:
    • A. 

      Increasing the arc voltage

    • B. 

      Decreasing the arc voltage

    • C. 

      Increasing the travel speed

    • D. 

      Increasing the wire feed speed

  • 14. 
    An IQI would be used in radiography to assess:
    • A. 

      Image quality

    • B. 

      Type of steel

    • C. 

      Density of graph

    • D. 

      Type of welding process used

  • 15. 
    Silicon is added to electrode coating as:
    • A. 

      A slipping agent

    • B. 

      A slag former

    • C. 

      A de-oxidant

    • D. 

      A colouring agent

  • 16. 
    The main reason degreasing agents should always be dried from metals prior to welding, is because they are likely to:
    • A. 

      Increase the arc voltage

    • B. 

      Produce hazardous fumes

    • C. 

      Slow down the welding speed

    • D. 

      Produce lack of fusion defects

  • 17. 
    Which of the following processes would be most prone to lack of fusion defects?
    • A. 

      Pulsed arc MIG

    • B. 

      Spray transfer MIG

    • C. 

      Dip transfer MIG

    • D. 

      Submerged arc

  • 18. 
    Which of the following is an inspection point in Sub Arc Welding:
    • A. 

      Flux mesh size

    • B. 

      Gas type

    • C. 

      Tungsten size

    • D. 

      Gas flow rate

  • 19. 
    Which of the following is not inert gas ?
    • A. 

      Argon

    • B. 

      Xenon

    • C. 

      Carbon dioxide

    • D. 

      Helium

  • 20. 
    Why is a welding arc shielded?
    • A. 

      To eliminate hydrogen

    • B. 

      To retard the cooling rate of the weld

    • C. 

      To eliminate the atmosphere

    • D. 

      To ensure maximum heat input

  • 21. 
    A crack in a weld zone:
    • A. 

      Is repairable

    • B. 

      Always results in a cut out and complete re-weld

    • C. 

      Is acceptable up to 2mm in length

    • D. 

      May be repaired or cut out depending on specification requirements

  • 22. 
    If the amperage is too low during the welding of a root bead, the possible result would be:
    • A. 

      Lack of penetration

    • B. 

      Lack of fusion

    • C. 

      The freezing of the electrode

    • D. 

      All of the above

  • 23. 
    Pre-heating prior to welding:
    • A. 

      Must always be carried out

    • B. 

      Need not be carried out if post heat treatment is to follow welding

    • C. 

      Is always carried out using gas flames

    • D. 

      All of the above

    • E. 

      None of the above

  • 24. 
    Cold lap in another term for:
    • A. 

      Lack of fusion

    • B. 

      Low amperage

    • C. 

      Undercut

    • D. 

      Hydrogen cracking

  • 25. 
    When a medium to high carbon steel is quenched:
    • A. 

      It becomes malleable

    • B. 

      Its hardness increases

    • C. 

      It becomes ductile

    • D. 

      The plasticity is increased

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