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Flashcards

FUNDAMENTAL

Marvin Gilley certified welding inspector GRE Inglês 109 flashcards

Flashcards do conjunto (109)

  1. 1Which of the following metals cannot be efficiently cut with OFC? A. High-carbon steel B. Low-carbon steel C. Stainless steel D. Cast iron E. C and D aboveE. C and D above
    Stainless steel and Cast iron
  2. 2The melting point of carbon steel is approximately: A. 2250F B. 2375F C. 2780F D. 3005F E. 3333FC. 2780F
  3. 3Which of the following gas(es) is commonly used as a shielding has for GTAW? A. Argon B. Carbon dioxide C. Oxygen D. Argon/carbon dioxide E. Tri-mixA. Argon
  4. 4During tempering, as the temperature increases, which of the following are correct? A. Hardness increases B. Hardness decreases C. Elongation decreases D. Strength increases E. Ductility decreasesB. Hardness decreases
  5. 5In GMAW, the distance from the end of the contact tube to the arc is: A. Arc length B. Electrode extension C. Stickout D. Standoff E. Work angleB. Electrode extension
  6. 6The technique which does not aid in reducing residual stress is: A. Peening B. Vibratory stress relief C. Thermal stress relief D. External restraint E. PreheatingD. External restraint
  7. 7Which of the following is truly a volumetric test method? A.RT B.UT C.VT D.MT E.PTB. UT
  8. 8Use of preheat will result in: A. A faster cooling rate and wider heat-affected zone B. A faster cooling rate and narrower heat-affected zone C. A slower cooling rate and wider heat-affected zone D. A slower cooling rate and narrower heat-affected zone E. None of the aboveC. A slower cooling rate and wider heat-affected zone
  9. 9In GMAW, the welding variable controlled by the wire feed speed is: A. Arc length B. Voltage C. Current D. Stickout E. Travel speedC. Current
  10. 10As the temperature of the base metal is decreased: A. Impact strength decreases B. Tensile strength increases C. Ductility decreases D. Hardness increases E. All of the aboveE. All of the above
  11. 11An E7018 SMAW electrode exhibits which of the following characteristics? A. Low hydrogen; use on AC only; iron powder B. Low hydrogen; use on AC and DCEN C. Low hydrogen; AC and DCEP; iron powder D. Rutile; DCEP E. Rutile; DCEP; iron powderC. Low hydrogen; AC and DCEP; iron powder
  12. 12Piezoelectricity is a material property used by which NDE method? A. UT B. ET C. RT D. MT E. PTA. UT
  13. 13A thermal treatment that follows quenching and restores some of the metal's ductility is referred to as: A. Stress relief B. Tempering C. Hardening D. Normalizing E. PostheatB. Tempering
  14. 14The process whereby a large gap is filled with braze material without the help of capillary action is: A. Torch brazing B. Arc brazing C. Braze welding D. Dip brazing E. Flow brazingC. Braze welding
  15. 15Which of the following contains ferrous base metal specifications? A. AWS D1.2 B. ASME SECTION II, Part C C. AWS A5.1 D. ASME Section V E. ASME Section II, Part AE. ASME Section II, Part A
  16. 16In general, an increase in the carbon equivalent of a carbon steel will result in an increase in its: A. Ductility B. Hardness C. Defects D. Toughness E. All of the aboveB. Hardness
  17. 17The material property that best describes its ability to withstand a static load is: A. Hardness B. Toughness C. Tensile strength D. Fatigue strength E. Torsional strengthC. Tensile strength
  18. 18The presence of paint on the surface of a part will greatly affect the results of which NDE method? A. PT and MT B. RT and UT C.MT and ET D. UT and ET E. ET and VTA. PT and MT
  19. 19If no information appears to the left of the groove weld symbols, this means: A. No weld is required on that side B. The weld is to be complete joint penetration C. The weld is to be continuous for the entire length of the joint D. Beveling is not required E. Weld size is to be determined by the welderB. The weld is to be complete joint penetration
  20. 20Which of the following is not easily detected using RT that is perpendicular to the weld center line? A. Throat crack B. Porosity C. Side wall incomplete fusion at a bevel angle of 35 degrees D. Crater cracks E. Incomplete joint penetrationC. Side wall incomplete fusion at a bevel angle of 35 degrees
  21. 21The material property expressed in terms of an endurance limit is: A. Fatigue strength B. Toughness C. Tensile strength D. Ductility E. HardnessA. Fatigue strength
  22. 22The property of a material that best relates to its resistance to impact loading is: A. Endurance limit B. Fatigue strength C. Fracture toughness D. Tensile strength E. DuctilityC. Fracture toughness
  23. 23Which of the following is considered to be part of the welding inspector 's responsibly to the public? A. Undertaking only those assignments for which the inspector is qualified B. Making public statements as to the quality of the weldment C. Signing for all inspections on the job D. Reporting all discontinuities E. Verify conformance based on past experienceA. Undertaking only those assignments for which the inspector is qualified
  24. 24The orientation of the probing energy energy source with respect to that of a flaw is considered to be a significant variable for which NDE method? A. RT B. UT C. ET D. MT E. All of the aboveE. All of the above
  25. 25What MT technique could be used for the discovery of longitudinal flaws on a pipe using a stationary MT machine or bench unit? A. Coil shot B. Circular magnetization C. Longitudinal magnetization D. Parallel magnetism E. Perpendicular magnetizationB. Circular magnetization
  26. 26The rapid quenching of a high carbon steel from the austenitizing range will result in the formation of: A. Perlite B. Martensite C. Cementite D. Ferrite E. AusteniteB. Martensite
  27. 27The heat treatment in which carbon steel's temperature is raised to the austenitizing range, held for a prescribed time and then allowed to cool to room temperature while remaining in the furnace is referred to as: A. Stress relieving B. Annealing C. Normalizing D. Tempering E. AustenitizingB. Annealing
  28. 28An E71T-1 electrode designation for which welding process? A. PAW B.FCAW C.SMAW D.GMAW E.SAWB. FCAW
  29. 29The heat treatment for carbon steels in which the metal's temperature is raised to just below the lower temperature and held for a prescribed time before allowing it to cool at a controlled rate is referred to as: A. Tempering B. Austenitizing C. Stress relieving D. Normalizing E. PreheatingC. Stress relieving
  30. 30The position on a metal's stress-strain curve referring to its change in behavior from elastic to plastic is the: A. Yield point B. Modulus of elasticity C. Endurance limit D. Transformation temperature E. Young's modulusA. Yield point
  31. 31The use of preheat on a medium carbon steel weld test plate will perform all of the following except: A. Reduce distortion B. Reduce the possibility of hydrogen cracking C. Result in the formation of martensite D. Produce a wide heat-affected zone E. Diffuse hydrogenC. Result in the formation of martensite
  32. 32The tensile test can be used to provide values for which of the following? A. Yield point B. Ultimate tensile strength C. Modulus of elasticity D. Elastic limit E. All of the aboveE. All of the above
    Yield point
    Ultimate tensile strength
    Modulus of elasticity
    Elastic limit
  33. 33If a contour symbol is used but the finishing method is not specified on the welding symbol: A. It is the inspector's choice B. It is the fabricator's choice C. The desire contour must be as-welded D. It should be found in the code specified E. It is welder's choiceC. The desire contour must be as-welded
  34. 34In order to learn the exact location of a subsurface flaw in three directions, the best NDE method would be: A. RT B. MT C. PT D. UT E. VTD. Ut
  35. 35The design strength of a fillet weld always based on the throat dimension because: A. It has a columnar microstructure, which is more prone to cracking B. It is the shortest failure path through the weld C. It is the location of most defects D. The design calculations cannot be checked E. It is a theory of failure that cannot be supported by actual laboratory testingB. It is the shortest failure path through the weld
  36. 36The pipe welding test position in which the axis of the pipe is horizontal and the pipe is rotated so that welding take place at or near the top is designated as: A. 2G B. 2F C. 1G D. 3G E. 6GRC. 1G
  37. 37The junction of the weld face with the exterior surface of the base metal is referred to as the: A. Face B. Root C. Leg D. Toe E. EdgeD. Toe
  38. 38Internal plate laminations are best revealed using: A. UT B. RT C. MT D. PT E. ETA. UT
  39. 39Internal plate laminations are best revealed using: A. UT B. RT C. MT D. PT E. ET A. UTA. UT
  40. 40Light-colored areas within the weld zone in a radiograph could represent: A. Porosity and trapped slag B. Tungsten inclusion and melt-through C. Melt-through and trapped slag D. Porosity and tungsten inclusions E. Underfill and excessive reinforcementB. Tungsten inclusions and melt-through
  41. 41A single V-groove weld requires: A. Special welding processes B. Backgouging C. A backing bar D. No root opening E. CJP unless otherwise specifiedE. CJP unless otherwise specified
  42. 42The substance used in UT to aid in the transmission of sound from the search unit to workpiece and back is called: A. Solvent B. Attenuation C. Couplant D. Cable E. TransducerC. Couplant
  43. 43Determine the approximate kilogram weight of a 30 pound roll of welding wire. Lb x 0.454= kg A. 1.36 kg B. 66 kg C. 136 kg D. 66.15 kg E. 13.6 kgE. 13.6 kg
  44. 44Porosity in GMAW can be caused by: A. Drafts B. Contamination C. Too little shielding gas flow D. Too much shielding gas flow E. All of the aboveE. All of the above
    Draft
    Contamination
    Too little shielding gas flow
    To much shielding gas flow
  45. 45The overhead filllet position is designated as: A. 5F B. 4F C. 3F D. 2F E. 1FB. 4F
  46. 46Which of the following is an example of a electrode classification number for GTAW? A.EWTH-2 B. A5.1 C. A5.9 D. E7018 E. ER70S-2A. EWTH-2
  47. 47In a groove-weld cross section, the 'line' separating weld metal from base metal is called: A. The fusion face B. The depth of fusion C. The depth of penetration D. The weld interface E. None of the aboveD. The weld interface
  48. 48In pipe groove welding, the 45 degree fixed position is designated as: A. 1G B. 2G C. 2F D. 5G E. 6GE. 6G
  49. 49Determined the approximate feed speed in inches per minute for wire fed at a speed of 120mm/s. Mm/s x 2.362 = in/min A. 28.3 ipm B. 283 ipm C. 2834 ipm D. 5.076 ipm E. 50.76 ipmB. 283 ipm
  50. 50One common cause of centerline weld cracks is: A. The use of preheat B. A highly restrained weld joint C. Using the wrong polarity D. Stress relief heat treatment E. The presence of incomplete sidewall fusionB. A highly restrained weld joint
  51. 51Which NDE method will best reveal subsurface porosity? A. RT B. PT C. MT D. UT E. None of the aboveA. RT
  52. 52In a PT examination scattered round indications on the surface of a weld could be indicative of: A. Fatigue cracks B. Porosity C. Overlap D. Grinding cracks E. UndercutB. Porosity
  53. 53Determine the approximate MPa for a tensile strength of 65000 psi. Psi x .006895 = MPa A. 448000 B. 448000000 C. 448 D. 9425000 E. 9425000C. 448
  54. 54An MT indication of a subsurface discontinuity 1 in below the surface will appear how as compared to a surface discontinuity? A. Intermittent B. Sharper C. Less distinct D. MT can not detect a subsurface flaw 1 in below the surface E. Only the central conductor method can be used to detect flaws in 1 in materialD. MT can not detect a subsurface flaw 1 in below the surface
  55. 55Which of the following conditions can cause slag inclusions in a weld? A. Insufficient groove angle in a SMAW single V-groove welds B. Careful interpass cleaning of subsequent layer and beads of FCAW C. Insufficient preheat of test plate D. Insufficient shielding gas flow GTAW E. Improper fit up of GMAW test plateA. Insufficient groove angle in a SMAW single V-groove welds
  56. 56What is meant by the term essential variable? A. Data on a WPS that if changed beyond code limits during production will render a WPS disqualified B. Data on an inspection report that if changed render the report disqualified C. Data on an MTR that is essential to the chemistry of the material. D. The recommended amperage and voltage for welding as published by the manufacture E. Describes what should be included in a WPSA. Data on a WPS that if changed beyond code limits during production will render a WPS disqualified
  57. 57Where should the preheat temperature be measured? A. In the weld groove B. 12 in from the weld groove C. Where the arc will be initiated D. 2"-3" from point of welding E. Pre-heat temperature need not be measuredD. 2"-3" from point of welding
  58. 58A discontinuity is: A. Always rejectable B. Never rejectable, but its condition should be noted in the inspection report C. Always a defect D. An indication that renders a part unusable E. An interpretation in the uniformity of the weldmentE. And interpretation in the uniformity of the weldment
  59. 59And oxygen regulator is set for 40 psi. Determine the pressure in kPa Psi x 6.895 = kPa A. 2758 B. 27580 C. 2.758 D. 27.58 E. 275.8E. 275.8
  60. 60Which of the following discontinuities can cause by poor weld technique? A. Incomplete fusion B. Porosity C. Undercut D. Overlap E. All of the aboveE. All of the above
    Incomplete fusion
    Porosity
    Undercut
    Overlap
  61. 61If a welder is continually turning out rejectable work, the welding inspector should: A. Inspect his work more critically B. Ask that the welder be terminated C. Require requalification D. Instruct the welder in proper techniques E. Ask that the welder use another processC. Require requalification
  62. 62How does a welder become certified? A. Certification can only be a team by taking a weld test given by CWI B. By graduating from a welding school C. By having documented proof of five years in welding industry D. By documenting successful completion of the weld test according to the requirements of an applicable standard E. Certification can only be obtained by taking a weld test at approved test centerD. By documenting successful completion of the weld test according to the requirements of an applicable standard
  63. 63Which discontinuity occur in the heat-affected zone can result from excess moisture in the world zone? A. Throat crack B. Crater crack C. Underbead crack D. Porosity E. Centerline crackC. Underbead crack
  64. 64Which of the following measurements are taken from a tensile specimen to determine area? A. Mass and volume B. Length and thickness C. Width and length D. Width and thickness E. Load and pressureD. Width and thickness
  65. 65When establishing a PQR? A. The type and number of test required is determined by the applicable standard B. A face and root bend will qualify all plates C. Testing requirements are determined by as a contractor and approved by the inspector D. Destructive testing is required only if a problem is suspected E. A weld test plate does not have to be mechanically tested to establish a PQRA. The type and number of test required is determined by the applicable standard
  66. 66Which of the following discontinuities is not associated with GTAW? A. Lack of fusion B. Slag inclusions C. Tungsten inclusion D. Porosity E. UndercutB. Slag inclusions
  67. 67Convert a travel speed of 21 ipm to mm/s In/min x .4233 = mm/s A. 88.9 B. 8.9 C. 0.88 D. 0.088 E. 49.61B. 8.9
  68. 68Base metal thickness can be determined during which of the following? A. MT B. UT C. ET D. A and C above E. B and C aboveE. B and C above
    MT
    UT
  69. 69The mating surface between two overlapping base metals to be joint is called: A. Weld interface B. Fraying surface C. Weld edge D. Groove face E. None of the aboveB. Faying surface
  70. 70The CWAI: A. Is solely responsible for determination of a weldments conformance to acceptance standards B. Inspects weldments only under direction of a CWI or SCWI C. Cannot inspect critical weldments D. Performs all inspections the same as a CWI E. All of the aboveB. Inspects weldments only under direction of a CWI or SCWI
  71. 71The performance of which of the following test method is least affected by high part temperature? A. ET B. RT C. PT D. UT E. None of the aboveA. ET
  72. 72Which of the following discontinuities are not found with GMAW? A. Incomplete fusion B. Porosity C. Tungsten inclusions D.incomplete penetration E. CracksC. Tungsten inclusions
  73. 73Calculator ultimate tension strength in MPa of a tensile specimen having a cross section area of .300 sq in and which broke at a tensile load of 24600lbs. Load(lbs)/Area of specimen(sq in) = tensile strength (psi) Psi x 0.006895 = MPa A. 565 Pa B. 565 MPa C. 5.65 Pa D. 565 kPa E. 5650 kPaB. 565 MPa
  74. 74A developer is used as one of the steps in which NDE method? A. UT B. MT C. PT D. A and B above E. B and C aboveC. PT
  75. 75ET is the abbreviation for which NDE method? A. Eddy current testing B. Environmental testing C. Emissive testing D. A and B above E. B and C aboveA. Eddy current testing
  76. 76To be most effective, visual inspection must be conducted: A. Before welding B. During welding C. After welding D. All of the above E. B and C aboveD. All of the above
    Before welding
    During welding
    After welding
  77. 77Which of the conditions below can cause porosity in a weld? A. Welder technique B. Damp electrode C. Oily base metal D. Rainy weather E. All of the aboveE. All of the above
    Welder technique
    Damp electrode
    Oily base metal
    Rainy weather
  78. 78Which of the following are common cause of undercut when using SMAW? A. Weld current B. Improper electrode manipulation C. Welding electrode too large D. Welding electrode angle E. All of the aboveE. All of the above
    Weld current
    Improper electrode manipulation
    Welding electrode too large
    Improper electrode angle
  79. 79Electrical conductivity of a part is the primary requirement for which NDE method? A. ET B. UT C. PT D. RT E. VTA. ET
  80. 80Decibel is a term associated with which NDE method? A. UT B. RT C. MT D. PT E. ETA. UT
  81. 81Which GMAW metal transfer mode results in the least amount of penetration? A. Globular B. Short circuiting C. Spray D. Pulsed spray E. Globular sprayB. Short circuiting
  82. 82NDE technicians are certified in accordance with: A. AWS D1.1 B. API 1104 C. ASNT SNT-TC-1A D. ASME Section VI E.ASME Section IXC. ANT SNT-TC-1A
  83. 83When a metal is alloyed, how are the atoms of the alloy incorporated into the original metal lattice structure? A. By inclusions or exclusion B. Substitutionally or interstitially C. By dissolving D. By becoming martensitic E. By castingB. Substitutionally or interstitially
  84. 84A wire IQI is used in which NDE method? A. UT B. ET C. RT D. MT E. PTC. RT
  85. 85In general, which of the following is not commonly used as a semi automatic process? A. GMAW B. FCAW C. SMAW D. SAW E. MIGC. SMAW
  86. 86Items to be monitored by VT after welding include: A. Extent of welding B. Final weld appearance C. Dimensional accuracy D. Amount of distortion E. All of the aboveE. All of the above
    Extent of welding
    Final weld appearance
    Dimensional accuracy
    Amount of distortion
  87. 87Crater cracks are most often the result of: A. Improper technique B. Improper filler metal C. Improper base metal D. Trapped slag E. Trapped hydrogenA. Improper technique
  88. 88The tale of a welding symbol should not be used for: A. Denoting welding process requirements B. Denoting welding procedure requirements C. Denoting welding electrode requirements D. Denoting welding specification requirements E. Denoting groove angleE. Denoting groove angle
  89. 89Of the following, which is not a type of metal transfer in GMAW? A. Spray B. Short circuiting C. Globular D. Pulsed arc E. Open circuitingE. Open circuiting
  90. 90Ultraviolet light may be used with which NDE methods? A. VT and UT B. PT and UT C. MT and PT D. RT and UT E. ET and MTC. MT and PT
  91. 91Which of the following may not detected with VT? A. Large surface crack B. Undercut C. Overlap D. Underfill E. Lamellar tearE. Lamellar tear
  92. 92Heat treatment conditions can be determined using which of the following? A. MT B. PT C. ET D. RT E. LTC. ET
  93. 93Which of the following elements are commonly used as Alloying element with tungsten to produce GTAW electrode?B. Thorium
  94. 94For single bevel-groove weld symbols, the line of the AWS weld symbol running perpendicular to the reference line is always drawn on which side of the weld symbol? A. On the right B. On the left C. On either side, depending on company policy D. On the side in which the straight side actually appears in the joint E. Does not matterB. On the left
  95. 95The portion of the group face within the joint route is called: A. Weld interface B. Faying surface C. Groove weld edge D. Root face E. Groove angleD. Root face
  96. 96Capillary action plays a role in NDE method? A. ET B. UT C. RT D. PT E. MTD. Pt
  97. 97Which of the factors listed below has the least amount of effect on the residual stress and distortion that results from welding? A. Heat input B. Metallurgical phase changes C. Welding position D. Tensile strength E. Coefficient of thermal expansionC. Welding position
  98. 98Which of the following tests would be least effective for judging the soundness of a weld in the as- welded condition? A. Nick break B. Side bend C. Face bend D. Radiography E. Straight beam UTE. Straight beam UT
  99. 99Arc beam cannot be caused by: A. Magnetic field distortion B. Improper worklead (ground) location C. Welding at the end of a joint D. Welding in corners E. Welding with ACE. Welding with AC
  100. 100Which of the following shielding gases is used for GMAW spray transfer on steel? A. Carbon dioxide-100% B. Argon- 100% C. Helium- 100% D. Oxygen-2%, argon-98% E. Argon- 75%, carbon dioxide- 25%D. Oxygen-2%, argon-98%
  101. 101Which discontinuity below will provide the sharpest MT indication? A. Surface porosity B. Surface crack C. Subsurface porosity D. Subsurface crack E. Indication will be identical for all the aboveB. Surface crack
  102. 102In SMAW, an increase in arc length results in: A. Increase current; increase voltage B. Decreases current; increase voltage C. Increase heat input; decrease voltage D. Decreased current; decrease voltage E. Decreased current; increase heat inputB. Decreased current; increases voltage
  103. 103Weld inspection reports should always: A. Be completed in ink., or type written and signed B. Be done in pencil so mistakes can be easily corrected C. Be filled out only if the weld is rejected D. Be typed by a clerk so that everything is readable E. Include the welders identificationA. Be completed in ink, or type written and signed
  104. 104The ability to be cyclically loaded without failing is related to which of the following properties of a metal? A. Hardness B. Toughness C. Tensile strength D. Fatigue strength E. DuctilityD. Fatigue strength
  105. 105In GMAW, the type of metal transfer requiring a special power source is: A. Spray B. Globular C. Pulsed arc D. Short circuiting E. Open arcC. Pulsed arc
  106. 106Which of the following method is most likely to use a transducer to scan for flaws? A. RT B. MT C. UT D. PT E. VTC. UT
  107. 107For plain carbon steel, how are hardness and tensile strength related? A. Increase hardness; decreased tensile strength B. Increase hardness; Increase tensile strength C. Decrease hardness; increase tensile strength D. Harness and tensile strength can both be increased by tempering E. Hardness and strength are not relatedB. Increase hardness; increase tensile strength
  108. 108The welding variables used to calculate heat input: A. Voltage and current B. Current and travel speed C. Voltage, current, and travel speed D. Travel speed, preheat temperature, and voltage E. Voltage, current and preheat treatmentC. Voltage, current, and travel speed
  109. 109During RT, which of the following provides the best protection from radiation for a given thickness? A. Lead shielding B. Steel shielding C. Concrete shielding D. Cooper shielding E. Wood shieldingA. Lead shielding

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GRE certified welding inspector FlashCards sobre FUNDAMENTAL, criado por Marvin Gilley em 14-06-2022.
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