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VISUAL WELD INSPECTION GENERAL QUESTIONS (VTW)
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@As a visual inspector you shall have your eyes checked at least
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A. every 6 months | B. every year | C. every 3 years | D. every 5 years |
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@The cambridge gage has the ability to measure weld:
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A. angle of preparation | B. root opening | C. burn through | D. penetration |
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@The comparison of measurement instruments with reference standards of a close tolerance and known accuracy is called
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A. gage control | B. tolerance | C. calibration | D. instrument mismatch |
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@Which of the following can be done using the fillet weld gage?
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A. checking leg length | B. checking angle of preparation | C. measure the groove angle | D. measure root opening |
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@Which of the following can be done using the fillet weld gage?
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A. checking angle of preparation | B. measuring fillet weld throat | C. measure the groove angle | D. measure root opening |
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@Which of the following can be done using the Hi-Lo gage?
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A. verify fillet weld throat | B. check mismatch | C. measure flaw size | D. all of the above |
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@Which of the following can be done using the cambridge gage?
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A. checking reinforcement height | B. checking angle of preparation | C. measuring fillet weld throat | D. all of the above |
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@Porosity is:
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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 |
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@There is a difference between join type and weld type. Which of the following is considered a joint type?
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A. groove | B. fillet | C. tee | D. spot |
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@The term "stick Welding" is commonly used to refer to:
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A. SMAW | B. GTAW | C. GMAW | D. FCAW |
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@The term "TIG" is commonly used to refer to:
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A. SMAW | B. GTAW | C. GMAW | D. FCAW |
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@The term "MIG" is commonly used to refer to:
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A. SMAW | B. GTAW | C. GMAW | D. FCAW |
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@The heat affected zone of a weld is the:
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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 |
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@Arc strikes form a discontinuity that is caused by:
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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 |
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@Weld splatter form a discontinuity that is caused by:
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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 |
- @Which of the following discontinuities would you find in weldments?
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A. Porosity | B. blow holes | C. cold shuts | D. burst |
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@Which of the following discontinuities would you expect to find in a weld that has been in service?
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A. cracks | B. blow holes | C. cold shuts | D. burst |
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@Cracks parallel to the length of the weld are called:
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A. transverse cracks | B. longitudinal cracks | C. toe cracks | D. crater crack |
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@Cracks perpendicular to the length of the weld are called:
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A. transverse cracks | B. longitudinal cracks | C. toe cracks | D. crater crack |
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@The distance from the toe of the weld to the root in a convex fillet weld is the:
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A. actual throat | B. theoretical throat | C. crown | D. leg length |
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@In a fillet weld, the weld size is also the:
\D
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|A. actual throat
B. theoretical throat | C. crown | D. leg length |
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@GTAW produces coalescence by heating metals with an arc between the work and a:
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A. bare filler metal electrode | B. covered tungsten electrode | C. bare tungsten electrode | D. covered filler metal electrode |
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@The distance from the root of the fillet weld to the crown in a convex fillet weld is the:
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A. actual throat | B. theoretical throat | C. crown | D. leg length |
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@Which of the following describes a joint type that could be joined with a fillet weld?
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A. Single-V | B. Edge joint | C. Tee-joint | D. Double level |
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@Crown reinforcement and root reinforcement are both considered when measuring the:
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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 |
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@The actual throat of a weld is the:
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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 |
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@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 |
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@GMAW produces coalescence by heating metals with an arc between the work and a:
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A. bare filler metal electrode | B. covered tungsten electrode | C. bare tungsten electrode | D. covered filler metal electrode |
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@Which welding process uses an inert gas as a protective covering for the molten metal during the welding process?
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A. SMAW | B. GTAW | C. SAW | D. Resistance welding |
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@Which welding process is shielded by decomposition of the electrode covering during the welding process?
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A. SMAW | B. GTAW | C. SAW | D. Resistance welding |
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@Gas bubbles entrapped in welds are know as?
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A. slag | B. inclusions | C. porosity | D. laminations |
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@Crater cracks are normally found by visual examination at what location?
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A. the centerline of the weld | B. internally between weld passes | C. in the base material | D. in a start stop weld puddle |
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@On a double V groove welded joint, which one of the following discontinuities could not be detected by the visual examination method?
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A. crater crack | B. undercut | C. lack of penetration | D. underfill |
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@A small star shaped pattern at the termination point of a weld bead is usually an indication of:
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A. crater crack | B. undercut | C. lack of penetration | D. underfill |
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@Tungsten inclusions and suckback are most characteristic of which welding process?
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A. SMAW | B. GMAW | C. GTAW | D. FCAW |
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@In its original shape, porosity would appear:
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A. elongated | B. irregular | C. round or nearly round | D. linear |
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@Porosity indications are characteristic of which welding process?
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A. SMAW | B. GMAW | C. GTAW | D. FCAW | E. All of the above |
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@During the SMAW weld process, when the flux coating on an electrode is entrapped in the weld metal, is classified as?
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A. lack of fusion | B. cracking | C. slag | D. porosity |
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@Slag and non-metallic inclusions are most likely caused by:
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A. inadequate interpass cleaning | B. moisture in the weld joint | C. high current | D. loss of shielding gas |
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@The presence of undesirable gases can adversely affect the welding process by causing:
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A. porosity | B. inclusions | C. laminations | D. weld craters |
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@Excess moisture in SMAW electrode coating can cause
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A. slag | B. cracking | C. porosity | D. weld craters |
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@A concave weld reinforcement surface is one that:
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A. curves outward | B. basically flat | C. cause for rejection | D. curved inward |
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@A condition on the surface of a component that appears as a group of voids or gas pocket is best described as:
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A. arc strikes | B. porosity | C. inclusion | D. crater crack | E. undercut |
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@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:
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A. arc strikes | B. porosity | C. inclusion | D. crater crack | E. undercut |
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@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:
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A. arc strikes | B. porosity | C. inclusion | D. crater crack | E. undercut |
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@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:
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A. lack of penetration | B. porosity | C. underfill | D. crater crack | E. undercut |
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