VTWELD.TXT

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reley04
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3983
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VTWELD.TXT
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2010-01-10 17:07:21
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weld
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  1. VISUAL WELD INSPECTION GENERAL QUESTIONS (VTW)
  2. @As a visual inspector you shall have your eyes checked at least
    • \B
    • |A. every 6 months
    • |B. every year
    • |C. every 3 years
    • |D. every 5 years
  3. @The cambridge gage has the ability to measure weld:
    • \A
    • |A. angle of preparation
    • |B. root opening
    • |C. burn through
    • |D. penetration
  4. @The comparison of measurement instruments with reference standards of a close tolerance and known accuracy is called
    • \C
    • |A. gage control
    • |B. tolerance
    • |C. calibration
    • |D. instrument mismatch
  5. @Which of the following can be done using the fillet weld gage?
    • \A
    • |A. checking leg length
    • |B. checking angle of preparation
    • |C. measure the groove angle
    • |D. measure root opening
  6. @Which of the following can be done using the fillet weld gage?
    • \B
    • |A. checking angle of preparation
    • |B. measuring fillet weld throat
    • |C. measure the groove angle
    • |D. measure root opening
  7. @Which of the following can be done using the Hi-Lo gage?
    • \B
    • |A. verify fillet weld throat
    • |B. check mismatch
    • |C. measure flaw size
    • |D. all of the above
  8. @Which of the following can be done using the cambridge gage?
    • \D
    • |A. checking reinforcement height
    • |B. checking angle of preparation
    • |C. measuring fillet weld throat
    • |D. all of the above
  9. @Porosity is:
    • \B
    • |A. gas entrapped below the surface of a material
    • |B. gas entrapped below or at the surface of a material
    • |C. foreign crystalline material entrapped below the surface of a material
    • |D. material used during the welding process
  10. @There is a difference between join type and weld type. Which of the following is considered a joint type?
    • \C
    • |A. groove
    • |B. fillet
    • |C. tee
    • |D. spot
  11. @The term "stick Welding" is commonly used to refer to:
    • \A
    • |A. SMAW
    • |B. GTAW
    • |C. GMAW
    • |D. FCAW
  12. @The term "TIG" is commonly used to refer to:
    • \B
    • |A. SMAW
    • |B. GTAW
    • |C. GMAW
    • |D. FCAW
  13. @The term "MIG" is commonly used to refer to:
    • \C
    • |A. SMAW
    • |B. GTAW
    • |C. GMAW
    • |D. FCAW
  14. @The heat affected zone of a weld is the:
    • \B
    • |A. portion of the base metal that has been melted and re-solidified
    • |B. portion of the base metal that has been melted but where properties have been altered by the welding heat
    • |C. portion of the base metal that is added to produce the weld joint
    • |D. original metal that is welded
  15. @Arc strikes form a discontinuity that is caused by:
    • \C
    • |A. excessive heat during the welding process
    • |B. use of improper or wet process
    • |C. welding operator error
    • |D. molten particles splashed out of the molten puddle
  16. @Weld splatter form a discontinuity that is caused by:
    • \D
    • |A. excessive heat during the welding process
    • |B. use of improper or wet process
    • |C. normal welding operation
    • |D. molten particles splashed out of the molten puddle
  17. @Which of the following discontinuities would you find in weldments?
    • \A
    • |A. Porosity
    • |B. blow holes
    • |C. cold shuts
    • |D. burst
  18. @Which of the following discontinuities would you expect to find in a weld that has been in service?
    • \A
    • |A. cracks
    • |B. blow holes
    • |C. cold shuts
    • |D. burst
  19. @Cracks parallel to the length of the weld are called:
    • \B
    • |A. transverse cracks
    • |B. longitudinal cracks
    • |C. toe cracks
    • |D. crater crack
  20. @Cracks perpendicular to the length of the weld are called:
    • \A
    • |A. transverse cracks
    • |B. longitudinal cracks
    • |C. toe cracks
    • |D. crater crack
  21. @The distance from the toe of the weld to the root in a convex fillet weld is the:
    • \D
    • |A. actual throat
    • |B. theoretical throat
    • |C. crown
    • |D. leg length
  22. @In a fillet weld, the weld size is also the:
    \D
  23. |A. actual throat
    • |B. theoretical throat
    • |C. crown
    • |D. leg length
  24. @GTAW produces coalescence by heating metals with an arc between the work and a:
    • \C
    • |A. bare filler metal electrode
    • |B. covered tungsten electrode
    • |C. bare tungsten electrode
    • |D. covered filler metal electrode
  25. @The distance from the root of the fillet weld to the crown in a convex fillet weld is the:
    • \A
    • |A. actual throat
    • |B. theoretical throat
    • |C. crown
    • |D. leg length
  26. @Which of the following describes a joint type that could be joined with a fillet weld?
    • \C
    • |A. Single-V
    • |B. Edge joint
    • |C. Tee-joint
    • |D. Double level
  27. @Crown reinforcement and root reinforcement are both considered when measuring the:
    • \B
    • |A. root opening of a groove weld
    • |B. actual throat of a groove weld
    • |C. distance to the toe of a fillet weld
    • |D. groove angle of the root face in a lap weld
  28. @The actual throat of a weld is the:
    • \B
    • |A. actual distance from the face of the weld to the vertical leg
    • |B. shortest distance from the root of the weld to its face
    • |C. distance from the toe to the actual root
    • |D. theoretical throat distance minus the convexity of the weld face
  29. @SMAW produces coalescence by heating metals with an arc between the work and a:
    • \D
    • |A. bare filler metal electrode
    • |B. covered tungsten electrode
    • |C. bare tungsten electrode
    • |D. covered filler metal electrode
  30. @GMAW produces coalescence by heating metals with an arc between the work and a:
    • \D
    • |A. bare filler metal electrode
    • |B. covered tungsten electrode
    • |C. bare tungsten electrode
    • |D. covered filler metal electrode
  31. @Which welding process uses an inert gas as a protective covering for the molten metal during the welding process?
    • \B
    • |A. SMAW
    • |B. GTAW
    • |C. SAW
    • |D. Resistance welding
  32. @Which welding process is shielded by decomposition of the electrode covering during the welding process?
    • \A
    • |A. SMAW
    • |B. GTAW
    • |C. SAW
    • |D. Resistance welding
  33. @Gas bubbles entrapped in welds are know as?
    • \C
    • |A. slag
    • |B. inclusions
    • |C. porosity
    • |D. laminations
  34. @Crater cracks are normally found by visual examination at what location?
    • \D
    • |A. the centerline of the weld
    • |B. internally between weld passes
    • |C. in the base material
    • |D. in a start stop weld puddle
  35. @On a double V groove welded joint, which one of the following discontinuities could not be detected by the visual examination method?
    • \C
    • |A. crater crack
    • |B. undercut
    • |C. lack of penetration
    • |D. underfill
  36. @A small star shaped pattern at the termination point of a weld bead is usually an indication of:
    • \A
    • |A. crater crack
    • |B. undercut
    • |C. lack of penetration
    • |D. underfill
  37. @Tungsten inclusions and suckback are most characteristic of which welding process?
    • \C
    • |A. SMAW
    • |B. GMAW
    • |C. GTAW
    • |D. FCAW
  38. @In its original shape, porosity would appear:
    • \C
    • |A. elongated
    • |B. irregular
    • |C. round or nearly round
    • |D. linear
  39. @Porosity indications are characteristic of which welding process?
    • \E
    • |A. SMAW
    • |B. GMAW
    • |C. GTAW
    • |D. FCAW
    • |E. All of the above
  40. @During the SMAW weld process, when the flux coating on an electrode is entrapped in the weld metal, is classified as?
    • \C
    • |A. lack of fusion
    • |B. cracking
    • |C. slag
    • |D. porosity
  41. @Slag and non-metallic inclusions are most likely caused by:
    • \A
    • |A. inadequate interpass cleaning
    • |B. moisture in the weld joint
    • |C. high current
    • |D. loss of shielding gas
  42. @The presence of undesirable gases can adversely affect the welding process by causing:
    • \A
    • |A. porosity
    • |B. inclusions
    • |C. laminations
    • |D. weld craters
  43. @Excess moisture in SMAW electrode coating can cause
    • \C
    • |A. slag
    • |B. cracking
    • |C. porosity
    • |D. weld craters
  44. @A concave weld reinforcement surface is one that:
    • \D
    • |A. curves outward
    • |B. basically flat
    • |C. cause for rejection
    • |D. curved inward
  45. @A condition on the surface of a component that appears as a group of voids or gas pocket is best described as:
    • \B
    • |A. arc strikes
    • |B. porosity
    • |C. inclusion
    • |D. crater crack
    • |E. undercut
  46. @A condition at the toe of the weld reinforcement (crown) where the base metal has been burn away and a linear cavity longitudinal to the weld remains:
    • \E
    • |A. arc strikes
    • |B. porosity
    • |C. inclusion
    • |D. crater crack
    • |E. undercut
  47. @A condition on the base material or on the weld where an unintentional rapid heating has occurred by a poorly connected welding ground cable or inadvertently striking the surface with the welding electrode, is best described as a/an:
    • \A
    • |A. arc strikes
    • |B. porosity
    • |C. inclusion
    • |D. crater crack
    • |E. undercut
  48. @A condition at the toe of the weld reinforcement (crown) where the weld preparation groove has not been filled with weld filler material, is best described as:
    • \C
    • |A. lack of penetration
    • |B. porosity
    • |C. underfill
    • |D. crater crack
    • |E. undercut

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