PROCESSES

Question 1

1. A welding technique wherein the welding torch or gun is directed toward the progress of welding is:

a. Backhand technique
b. Downhand technique
c. Forehand technique
d. Uphill technique

c. None of the above

Answer 1

1. A welding technique wherein the welding torch or gun is directed toward the progress of welding is:
   c. Forehand technique

Question 2

2. In arc and gas welding, the metal particles expelled during welding and which do not form part of the weld is called:

a. Buck shot
b. Bee Bees
c. Spatter
d. Splatter

Answer 2

2. In arc and gas welding, the metal particles expelled during welding and which do not form part of the weld is called:
   c. Spatter

Question 3

3. When selecting a covered electrode for SMAW, you must consider:

a. Base metal composition
b. Joint design
c. Type of current
d. All of the above

Answer 3

3. When selecting a covered electrode for SMAW, you must consider:

D. All of the above

a. Base metal composition
b. Joint design
c. Type of current

Question 4

4. The welding inspector should evaluate critical joint fit-ups before welding begins. Which of the following is NOT an essential part of this evaluation?

a. Edge preparation
b. Postheat temperature
c. Tack welds
d. Dimensions and alignment
e. Root opening

Answer 4

4. The welding inspector should evaluate critical joint fit-ups before welding begins. Which of the following is NOT an essential part of this evaluation?
   b. Postheat temperature

Question 5

5. A weld is required by the welding procedure to be made with the GTAW process. When you have it radiographed, it is found to contain several pieces of slag. What does this tell you?

a. Welder must have lost his shielding
b. Welder was not too careful in following cleaning procedure between weld passes
c. The weld was not made by the GTAW process
d. The radiographer must have made a mistake

Answer 5

5. A weld is required by the welding procedure to be made with the GTAW process. When you have it radiographed, it is found to contain several pieces of slag. What does this tell you?
   c. The weld was not made by the GTAW process

Question 6

6. If the next to last digit in the AWS classification for a covered electrode is a number “1 “, the electrode is made for:

a. Flat position welding only
b. All position welding
c. Welding stainless steel
d. AC welding only

Answer 6

6. If the next to last digit in the AWS classification for a covered electrode is a number “1 “, the electrode is made for:
   b. All position welding

Question 7

7. To produce a smoother arc action, covered electrodes for AC welding contain special ingredients called:

a. Filler metals
b. Static suppressors
c. Arc stabilizers
d. Deoxidizers

Answer 7

7. To produce a smoother arc action, covered electrodes for AC welding contain special ingredients called:
   c. Arc stabilizers

Question 8

8. When using a constant current (drooper) welding machine, small changes in arc length produce relatively large changes in:

a. Arc voltage
b. Arc current
c. Open circuit voltage
d. The slope of the drooper curve

Answer 8

8. When using a constant current (drooper) welding machine, small changes in arc length produce relatively large changes in:
   a. Arc voltage

Question 9

9. When you use DC slraigh! polarity (DCSP) welding current, lhe electrode is:

a. Bypassed
b. Grounded
c. Positive
d. Negative

Answer 9

9. When you use DC slraigh! polarity (DCSP) welding current, lhe electrode is:
   d. Negative

Question 10

10. The purpose of the tungsten electrode used in GTAW is to:

a. Carry current and establish a welding arc
b. Add filler metal to the weld
c. Make shielding gas
d. All of the above

Answer 10

10. The purpose of the tungsten electrode used in GTAW is to:
    a. Carry current and establish a welding arc

Question 11

11. The submerged arc welding process shields the arc with:

a. An inert shielding gas
b. A flux cored electrode
c. A blanket of granular flux
d. A flux coated electrode

Answer 11

11. The submerged arc welding process shields the arc with:
    c. A blanket of granular flux

Question 12

12. Which type of current produces the greatest penetration, using the submerged arc process:

a. Direct Current Electrode Positive (DCRP)
b. Direct Current Electrode Negative (DCSP)
c. AC Electrode Neutral (ACEN)
d. Penetration is equal for all above.

Answer 12

12. Which type of current produces the greatest penetration, using the submerged arc process:
    a. Direct Current Electrode Positive (DCRP)

Question 13

13. The gas metal arc (MIG/GMAW) welding process utilizes a:

a. Continuously fed bare electrode
b. Flux coated electrode
c. Non-consumable electrode
d. Tubular core containing a core of flux

Answer 13

13. The gas metal arc (MIG/GMAW) welding process utilizes a:
    a. Continuously fed bare electrode

Question 14

14. The shielding gas normally used for welding mild steel with the GMAW process is:

a. Argon
b. Helium
c. Carbon Dioxide (CO2)
d. Natural Gas/Helium Mixture

Answer 14

14. The shielding gas normally used for welding mild steel with the GMAW process is:
    c. Carbon Dioxide (CO2)

Question 15

15. The GMAW process:

a. Is a semi-automatic process
b. Is an automatic process
c. May be either machine or semi-automatic
d. Uses a tubular electrode when self shielded

Answer 15

15. The GMAW process:
    c. May be either machine or semi-automatic

Question 16

16. GMAW, in a state of globular transfer, deposits the metal as:

a. The wire is melted off in small droplets, one half the wire diameter
b. The wire is melted off in balls of molten metal two to three times the electrode wire diameter.
c. The wire continually shorts against the work piece
d. Solid, liquid stream at intermittent intervals.

Answer 16

16. GMAW, in a state of globular transfer, deposits the metal as:
    b. The wire is melted off in balls of molten metal two to three times the electrode wire diameter.

Question 17

17. On a constant voltage (CV) power source, the wire feed control also regulates the:

a. Voltage
b. Stick-out
c. Amperage
d. Cooling rate

Answer 17

17. On a constant voltage (CV) power source, the wire feed control also regulates the:
    c. Amperage

Question 18

18. The FCAW process protects the molten weld pool from the atmosphere:

a. With an external CO2 shielding gas
b. With an external argon shielding gas
c. Through breakdown of flux coated wire
d. Through a combination of CO2 shielding gas and breakdown of flux-cored wire or simply through the breakdown of the flux-cored wire.

Answer 18

18. The FCAW process protects the molten weld pool from the atmosphere:
    d. Through a combination of CO2 shielding gas and breakdown of flux-cored wire or simply through the breakdown of the flux-cored wire.

Question 19

19. Optimum efficiency with GMAW is achieved by:

a. Direct Current Reverse Polarity (DCRP)
b. Direct Current Straight Polarity (DCSP)
c. Alternating Current Neutral Polarity (ACNP)
d. Efficiency is not affected by either of the above.

Answer 19

19. Optimum efficiency with GMAW is achieved by:
    a. Direct Current Reverse Polarity (DCRP)

Question 20

20. The FCAW process, used with CO2 shielding gas at DCRP results in:

a. Deep penetrating qualities into the weld root
b. Shallow penetration
c. Welds with no defects
d. Slow uneconomical welding

Answer 20

20. The FCAW process, used with CO2 shielding gas at DCRP results in:
    a. Deep penetrating qualities into the weld root

Question 21

21. In Gas Tungsten Arc Welding (GTAW), the electrode is used to:

a. Fill in the gap in the weld joint
b. Create the arc
c. Activate the shielding gas
d. Control amperage

Answer 21

21. In Gas Tungsten Arc Welding (GTAW), the electrode is used to:
    b. Create the arc

Question 22

22. AC machines used for GTAW in welding aluminum must be equipped with a:

a. Heliarc control circuit to increase production
b. High frequency generator to stabilize the arc.
c. Controls for operating shielding gas to prevent porosity
d. Frequency control box to prevent formation of oxides on welds

Answer 22

22. AC machines used for GTAW in welding aluminum must be equipped with a:
    b. High frequency generator to stabilize the arc.

Question 23

23. In GTAW, DCRP is very seldom used because:

a. The technique required is too slow
b. DCRP uses more shielding gas
c. DCRP produces a narrow, deep weld with less possibility for electrode burn-off
d. Generates too much heat at the tungsten electrode

Answer 23

23. In GTAW, DCRP is very seldom used because:
    d. Generates too much heat at the tungsten electrode

Question 24

24. When a “suffix” is used following the filler metal classification (i.e., E8018-C3), it designates:

a. A low hydrogen-iron powder electrode covering
b. An electrode which may also be used as a filler metal rod
c. The chemical composition of the deposited weld metal
d. The chemical composition of the electrode coating

Answer 24

24. When a “suffix” is used following the filler metal classification (i.e., E8018-C3), it designates:
    c. The chemical composition of the deposited weld metal

Question 25

25. Which of the following is a correct AWS electrode classification for flux-cored wire? a. EM12K b. ER70S-3 c. E70T-1 d. E6010

Answer 25

25. Which of the following is a correct AWS electrode classification for flux-cored wire? c. E70T-1

Question 26

26. When a number contains five (5) digits (i.e., E11016), it is because: a. The tensile strength of !he electrode metal is 100,000 pounds per square inch or over. b. The electrodes with five (5) digit numbers have more items to be identified. c. It is because the electrode is of the low hydrogen type, requiring an extra digit. d. Any of the above may necessitate an extra digit

Answer 26

26. When a number contains five (5) digits (i.e., E11016), it is because: a. The tensile strength of !he electrode metal is 100,000 pounds per square inch or over.

Question 27

27. If there is a number "2" in the next lo last digit position in the SMAW filler metal classification, it indicates that: a. The electrode can be used in all positions. b. The electrode can be used in the flat position only. c. The electrode can be used in the flat (grooves and fillets) and horizontal (fillets) position. d. The electrode can be used in any two (2) welding positions. e. None of the above

Answer 27

27. If there is a number "2" in the next lo last digit position in the SMAW filler metal classification, it indicates that: c. The electrode can be used in the flat (grooves and fillets) and horizontal (fillets) position.

Question 28

28. An E6010 electrode should be used with: a. DC reverse polarity b. DC straight polarity c. AC only d. "a" and "b" e. Either "a", "b", or "c", depending on equipment availability

Answer 28

28. An E6010 electrode should be used with: a. DC reverse polarity

Question 29

29. A one-to-one mixture of oxygen and acetylene produces a flame that is: a. Neutral b. Oxidizing c. Yellow d. Carburizing

Answer 29

29. A one-to-one mixture of oxygen and acetylene produces a flame that is: a. Neutral

Question 30

30. What serious condition is indicated when the torch emits a loud and shrill squeal or hissing sound? a. Backfire b. Too much gas pressure c. A flashback d. Too much acetylene in the flame

Answer 30

30. What serious condition is indicated when the torch emits a loud and shrill squeal or hissing sound? c. A flashback

Question 31

31. What is the duty cycle of a 300 ampere welding machine designed to operate continuously for seven (7) out of every ten (10) minutes? a. 10% b. 30% c. 70% d. 86.7%

Answer 31

31. What is the duty cycle of a 300 ampere welding machine designed to operate continuously for seven (7) out of every ten (10) minutes? c. 70%

Question 32

32. The reducing flame, a variation of the carburizing flame, is produced by a gas mixture that has a slight excess of: a. MAP Gas b. Acetylene c. Oxygen d. Carbon Dioxide

Answer 32

32. The reducing flame, a variation of the carburizing flame, is produced by a gas mixture that has a slight excess of: b. Acetylene

Question 33

33. When making a OAW test weld on a piece of metal, it is important to observe which of the following? a. Reaction of the metal to the heat b. Filler and base metal compatibility c. Flux effectiveness d. All of the above

Answer 33

33. When making a OAW test weld on a piece of metal, it is important to observe which of the following? D. All of the above a. Reaction of the metal to the heat b. Filler and base metal compatibility c. Flux effectiveness

Question 34

34. Metal in the path of an oxygen cutting jet is actually removed by: a. Rapid oxidation b. Burning of metal c. A compressed air stream d. The force of the flame

Answer 34

34. Metal in the path of an oxygen cutting jet is actually removed by: a. Rapid oxidation

Question 35

35. The main difference between an OFC torch and an OFW torch is that the cutting torch has: a. Much smaller orifices b. Much larger orifices c. One less control lever d. An added control lever

Answer 35

35. The main difference between an OFC torch and an OFW torch is that the cutting torch has: d. An added control lever

Question 36

36. In brazing, the filler metal is distributed in the joint by: a. Direct disposition b. Capillary action c. Convection d. Gravity

Answer 36

36. In brazing, the filler metal is distributed in the joint by: b. Capillary action

Question 37

37. When welding outside with either GTAW or GMAW, shield the arc from the wind because both processes use: a. Flux b. Spray Transfer Method c. Shielding Gas d. Backup Strips

Answer 37

37. When welding outside with either GTAW or GMAW, shield the arc from the wind because both processes use: c. Shielding Gas

Question 38

38. If low hydrogen electrodes have been exposed to the atmosphere for more than an hour or two, you should: a. Throw them out automatically b. Wipe them with a rag c. Rebake them in an oven d. Soak them in oil

Answer 38

38. If low hydrogen electrodes have been exposed to the atmosphere for more than an hour or two, you should: c. Rebake them in an oven

Question 39

39. Two (2) of the modes of metal transfer for GMAW are: a. Spray arc and short circuit b. Open arc and short arc c. Short circuit and long arc d. Long arc and short arc

Answer 39

39. Two (2) of the modes of metal transfer for GMAW are: a. Spray arc and short circuit

Question 40

40. Compared to other metal transfer methods, spray transfer: a. Heats the base metal the most b. Has greater penetration c. Has higher deposition rate d. All of the above

Answer 40

40. Compared to other metal transfer methods, spray transfer: D. All of the above a. Heats the base metal the most b. Has greater penetration c. Has higher deposition rate

Question 41

41. Which electrode is designated as an all-position electrode? a. E7024 b. E11018M c. E309-16 d. b & c above

Answer 41

41. Which electrode is designated as an all-position electrode? D. b & c above b. E11018M c. E309-16

Question 42

42. Which electrode(s) shown below should you expect to be used with a welding procedure which designates a stainless steel electrode? a. E7024 b. E10018 c. E309-16 d. Both band c

Answer 42

42. Which electrode(s) shown below should you expect to be used with a welding procedure which designates a stainless steel electrode? c. E309-16

Question 43

43. Which is valid for pre-weld preparation of oxyacetylene welding? a. The opening of the joint must be relatively large (as compared to arc welding) for adequate penetration. b. Cleaning of the joint is accomplished by burning out the existing contamination with the torch c. Vertical and overhead welds must be eliminated d. All of the above

Answer 43

43. Which is valid for pre-weld preparation of oxyacetylene welding? a. The opening of the joint must be relatively large (as compared to arc welding) for adequate penetration.

Question 44

44. What is the primary limitation of oxyacetylene welding? a. Not very portable b. Skill level required c. Availability of consumables d. No limitations, it is easy to use

Answer 44

44. What is the primary limitation of oxyacetylene welding? b. Skill level required

Question 45

45. What types of discontinuities are associated with improper oxyacetylene flame settings? a. Porosity and overlap b. Inclusions and incomplete fusion c. Cracks and undercut

Answer 45

45. What types of discontinuities are associated with improper oxyacetylene flame settings? b. Inclusions and incomplete fusion

Question 46

46. Which type of brazing is done in a vacuum or inert gas? a. Furnace brazing b. Induction brazing c. Infrared brazing d. All of the above

Answer 46

46. Which type of brazing is done in a vacuum or inert gas? a. Furnace brazing

Question 47

47. In the brazing process, what type of discontinuities may result from overheating? a. Inclusions b. Erosion of the base metal c. Cracking d. Overlap

Answer 47

47. In the brazing process, what type of discontinuities may result from overheating? b. Erosion of the base metal

Question 48

48. A brazed joint shows erratic traces of filler, suggesting improper cleaning. What inspection method will show whether the joint is sound without destroying the brazed piece? a. Torsion test b. Eddy current c. Shear wave d. Peel test

Answer 48

48. A brazed joint shows erratic traces of filler, suggesting improper cleaning. What inspection method will show whether the joint is sound without destroying the brazed piece? b. Eddy current

Question 49

49. When a welder bends his electrode, breaking the coating, and then welds with the bent portion anyway, what defects should you expect to find? a. Porosity (incomplete shielding) b. Undercut (unstable arc) c. Slag inclusions (unstable arc, poor bead control) d. All of the above

Answer 49

49. When a welder bends his electrode, breaking the coating, and then welds with the bent portion anyway, what defects should you expect to find? D. All of the above a. Porosity (incomplete shielding) b. Undercut (unstable arc) c. Slag inclusions (unstable arc, poor bead control)

Question 50

50. What is the major cause of undercut, undertill, and overlap in Shielding Metal Arc Welding? a. Poor joint preparation b. Poor welding technique c. Wrong shielding chemicals d. Environmental factors

Answer 50

50. What is the major cause of undercut, undertill, and overlap in Shielding Metal Arc Welding? b. Poor welding technique

Question 51

51. A GMAW weld is to be made in a vertical fillet on carbon steel plate. Which mode will do this best? a. Globular Arc b. Spray Arc c. Pinched Arc d. Short circuiting arc e. Both "c" and "d"

Answer 51

51. A GMAW weld is to be made in a vertical fillet on carbon steel plate. Which mode will do this best? d. Short circuiting arc

Question 52

52. You unknowingly step on the gas line while watching deposition of an argon shielded GMAW weld in aluminum. What discontinuity may be caused? a. Porosity b. Tungsten inclusions c. Overlap d. Underbead cracks

Answer 52

52. You unknowingly step on the gas line while watching deposition of an argon shielded GMAW weld in aluminum. What discontinuity may be caused? a. Porosity

Question 53

53. You are to inspect welds made by GMAW in the short circuiting mode for compliance with AWS D1.1, Structural Welding Code. What factor must you consider? a. Joint welding procedure must be qualified by tests b. Process is pre-qualified; inspect only for cracks c. Process does not give complete penetration and is prohibited by this code. d. "a" and "c" above.

Answer 53

53. You are to inspect welds made by GMAW in the short circuiting mode for compliance with AWS D1.1, Structural Welding Code. What factor must you consider? a. Joint welding procedure must be qualified by tests

Question 54

54. What can cause a poor quality flux core weld? a. Deficiency of some ingredient in flux b. Improper storage of wire, resulting in deterioration of the wire c. Both "a" and "b" d. Changes of inert shielding gas

Answer 54

54. What can cause a poor quality flux core weld? C. Both "a" and "b" a. Deficiency of some ingredient in flux b. Improper storage of wire, resulting in deterioration of the wire

Question 55

55. Why does Gas Tungsten Arc Welding produce an exceptionally clean weld deposit? a. Slow welding speed results in sufficient time for evolved gases to escape b. Inert shielding gas is used c. Both "a" and "b" d. Continuous wire feed

Answer 55

55. Why does Gas Tungsten Arc Welding produce an exceptionally clean weld deposit? C. Both "a" and "b" a. Slow welding speed results in sufficient time for evolved gases to escape b. Inert shielding gas is used

Question 56

56. What is the source of tungsten found in a weld made by Gas Tungsten Arc Welding? a. The tip of the electrode b. Tungsten impurities in the wire filler material c. Tungsten in solution in the gas mixture d. Pieces for the gas nozzle become part of the weld

Answer 56

56. What is the source of tungsten found in a weld made by Gas Tungsten Arc Welding? a. The tip of the electrode

Question 57

57. Why are vision filters not necessary for submerged arc welding? a. The light waves emitted by the welding arc are not dangerous to the human eye b. The welding arc is not visible because the shielding material hides them c. The welding is done automatically by remote control inside the machines d. The flux shelf prevents the arc from being visible to the operator during welding

Answer 57

57. Why are vision filters not necessary for submerged arc welding? b. The welding arc is not visible because the shielding material hides them

Question 58

58. What is lhe heating element in electroslag welding? a. The electrode b. The conductive slag c. The base metal d. The welding arc

Answer 58

58. What is lhe heating element in electroslag welding? b. The conductive slag

Question 59

59. What contains the molten pool of flux and weld metal in electroslag welding? a. The depression of the joint b. Water cooled copper retaining shoes c. Molecular attraction of the solution in the pool d. The flux shelf

Answer 59

59. What contains the molten pool of flux and weld metal in electroslag welding? b. Water cooled copper retaining shoes

Question 60

60. An electroslag weld is set up for consumable nozzle technique with poorly fitted molding shoes caulked with wet insulating material which the operator says will dry out from the heat of welding. What discontinuities may, nevertheless, be anticipated? a. Slag inclusions and lamination b. Overlap and inclusions c. Worm hole porosity and overlap d. None of the above

Answer 60

60. An electroslag weld is set up for consumable nozzle technique with poorly fitted molding shoes caulked with wet insulating material which the operator says will dry out from the heat of welding. What discontinuities may, nevertheless, be anticipated? c. Worm hole porosity and overlap

Question 61

61. What indication might reveal a defective arc stud weld? a. A "dead" sound when tapped or a fracture b. 360° flash c. Stud bends ten degrees (10°) when struck d. None of the above

Answer 61

61. What indication might reveal a defective arc stud weld? a. A "dead" sound when tapped or a fracture

Question 62

62. Of the following, which is not a necessary requirement for all welding processes? a. Source of energy b. Electricity c. Means of shielding molten metal d. None of the above

Answer 62

62. Of the following, which is not a necessary requirement for all welding processes? b. Electricity

Question 63

63. Which of the following is not a function of the flux coating of a SMAW electrode? a. Insulating b. Alloying c. Deoxidation d. Shielding e. None of the above

Answer 63

63. Which of the following is not a function of the flux coating of a SMAW electrode? E. None of the above a. Insulating b. Alloying c. Deoxidation d. Shielding

Question 64

64. In the AWS system of SMAW electrode designations, the next to the last number refers to: a. Usability b. Electrode coating c. Position d. Strength e. None of the above

Answer 64

64. In the AWS system of SMAW electrode designations, the next to the last number refers to: c. Position

Question 65

65. Which of the following is an incorrect statement about a SMAW electrode designated as an E7024? a. It is a low hydrogen type. b. The weld deposit has a minimum tensile strength of 70,000 psi. c. It is suitable for use in the flat (grooves and fillet) and horizontal (fillet) positions only. d. All of the above e. None of the above

Answer 65

65. Which of the following is an incorrect statement about a SMAW electrode designated as an E7024? a. It is a low hydrogen type.

Question 66

66. All except which of the following are essential parts of a typical SMAW system? a. Constant current power supply b. Wire feeder c. Covered electrode d. Electrode lead e. Work lead

Answer 66

66. All except which of the following are essential parts of a typical SMAW system? b. Wire feeder

Question 67

67. Which of the following welding problems is the result of a distorted magnetic field which defects the welding arc? a. Cracks b. Short circuiting c. Arc blow d. Insufficient welding current e. All of the above

Answer 67

67. Which of the following welding problems is the result of a distorted magnetic field which defects the welding arc? c. Arc blow

Question 68

68. Shielding of the molten metal in GMAW can be accomplished through the use of: a. Granular flux b. Inert gas c. Reactive gas d. "a" and 11b" above e. "b" and "c" above

Answer 68

68. Shielding of the molten metal in GMAW can be accomplished through the use of: E. "b" and "c" above b. Inert gas c. Reactive gas

Question 69

69. Which of the following is not considered a type of metal transfer for GMAW? a. Short circuiting b. Spray c. Globular d. Droplet e. Pulsed arc

Answer 69

69. Which of the following is not considered a type of metal transfer for GMAW? d. Droplet

Question 70

70. Which of the following types of metal transfer in GMAW is considered to be the lowest energy, and therefore, prone to incomplete fusion? a. Short circuiting b. Spray c. Globular d. Droplet e. Pulsed arc

Answer 70

70. Which of the following types of metal transfer in GMAW is considered to be the lowest energy, and therefore, prone to incomplete fusion? a. Short circuiting

Question 71

71. Which of the following shielding gases is not used for GMAW of carbon steel? a. Carbon dioxide b. Argon-Carbon dioxide c. Helium/Argon/Carbon dioxide d. Argon e. None of the above

Answer 71

71. Which of the following shielding gases is not used for GMAW of carbon steel? d. Argon

Question 72

72. In the electrode designation system for FCAW, the second number refers to: a. Strength b. Position c. Chemical composition d. Usability e. None of the above

Answer 72

72. In the electrode designation system for FCAW, the second number refers to: b. Position

Question 73

73. Which of !he following is not always an essential element of a FCAW system? a. Constant voltage or constant current b. Tubular electrode c. Wire feeder d. Shielding gas e. Work piece lead

Answer 73

73. Which of !he following is not always an essential element of a FCAW system? d. Shielding gas

Question 74

74. Shielding for the GTAW and PAW processes is accomplished through the use of: a. Granular flux b. Slag c. Inert gas d. Reactive gas e. None of the above

Answer 74

74. Shielding for the GTAW and PAW processes is accomplished through the use of: c. Inert gas

Question 75

75. A green stripe on a tungsten electrode designates: a. Pure tungsten b. 1 % Thoriated tungsten c. 2% Thoriated tungsten d. Zirconated tungsten e. None of the above

Answer 75

75. A green stripe on a tungsten electrode designates: a. Pure tungsten

Question 76

76. SAW and ESW are similar in that: a. Both are arc welding processes b. Both utilize shielding gases c. Both utilize a granular flux d. "a11 and "b" above e. "a" and "c" above

Answer 76

76. SAW and ESW are similar in that: c. Both utilize a granular flux

Question 77

77. Solidification cracking due to improper width-to-depth ratio of the weld nugget may be a problem with which welding process? a. OFW b. SW c. SAW d. All of the above e. None of the above

Answer 77

77. Solidification cracking due to improper width-to-depth ratio of the weld nugget may be a problem with which welding process? c. SAW

Question 78

78. Which of the following processes are typically utilized only in the flat position unless a special apparatus is employed? a. GMAW b. SAW c. ESW d. "a" and "b11 above e. None of the above

Answer 78

78. Which of the following processes are typically utilized only in the flat position unless a special apparatus is employed? b. SAW

Question 79

79. Which of the following are not common to both GTAW and PAW? a. Nonconsumable tungsten electrode b. Copper constricting nozzle c. Shielding gas nozzle d. Externally-applied filler metal e. None of the above

Answer 79

79. Which of the following are not common to both GTAW and PAW? b. Copper constricting nozzle

Question 80

80. What technique is employed with PAW to produce full penetration welds? a. Stringer beads b. Weave beads c. Keyhole d. Backstep e. None of the above

Answer 80

80. What technique is employed with PAW to produce full penetration welds? c. Keyhole

Question 81

81. What welding process produces welds in the flat position, in a single pass, with the progression vertically upward along the joint? a. SAW b. ESW c. FCAW d. "a" and "b" above e. "a" and "c" above

Answer 81

81. What welding process produces welds in the flat position, in a single pass, with the progression vertically upward along the joint? b. ESW

Question 82

82. Which of the following is not an advantage of the ESW process? a. High deposition rate b. Ease of setup c. Capable of joining thick sections d. No tendency for angular distortion e. None of the above

Answer 82

82. Which of the following is not an advantage of the ESW process? b. Ease of setup

Question 83

83. Which arc welding process provides a very efficient means of joining attachments to some planar surface? a. OAW b. SW c. GMAW d. GTAW e. SMAW

Answer 83

83. Which arc welding process provides a very efficient means of joining attachments to some planar surface? b. SW

Question 84

84. Brazing differs from welding in that: a. No filler metal is used. b. An oxyfuel flame is used c. The base metal is not melted d. All of the above e. None of the above

Answer 84

84. Brazing differs from welding in that: c. The base metal is not melted

Question 85

85. For satisfactory results, a braze joint should have: a. A large surface area b. A small gap between pieces to be joined c. A precise bevel d. "a" and "b" above e. "b" and "c" above

Answer 85

85. For satisfactory results, a braze joint should have: D. "a" and "b" above a. A large surface area b. A small gap between pieces to be joined

Question 86

86. Which of the following is not an advantage of brazing? a. Ease of joining thick sections b. Ability to join dissimilar metals c. Ability to join thin sections d. "a" and "b" above e. "a" and "c" above

Answer 86

86. Which of the following is not an advantage of brazing? a. Ease of joining thick sections

Question 87

87. Of the following metals, which cannot be effectively cut using OFC? a. High carbon steel b. Low carbon steel c. Medium carbon steel d. Stainless steel e. None of the above

Answer 87

87. Of the following metals, which cannot be effectively cut using OFC? d. Stainless steel

Question 88

88. Which of the following cutting processes can be used to cut any metal that conducts electricity? a. OFC b. CAC-A c. PAC d. "a" and "b" above e. "b" and "c" above

Answer 88

88. Which of the following cutting processes can be used to cut any metal that conducts electricity? E. "b" and "c" above b. CAC-A c. PAC

Question 89

89. The width of a cut is technically referred to as the: a. Gap b. Dross c. Kerf d. Drag e. None of the above

Answer 89

89. The width of a cut is technically referred to as the: c. Kerf

Question 90

90 DELETE

Answer 90

a

Question 91

91 DELETE

Answer 91

a

Question 92

92 DELETE

Answer 92

a

Question 93

93. SMAW designates which process? a. Stick metal arc welding b. Shielded metal arc welding c. Submerged arc welding d. Seam metal arc welding e. Short circuiting metal arc welding

Answer 93

93. SMAW designates which process? b. Shielded metal arc welding

Question 94

94. SAW designates which process? a. Stud welding b. Stud arc welding c. Submerged welding d. Stick welding e. Submerged arc welding

Answer 94

94. SAW designates which process? e. Submerged arc welding

Question 95

95. FCAW designates which process? a. Flux cored arc welding b. Flux centered arc welding c. Furnace controlled arc welding d. Friction arc welding e. Flow arc welding

Answer 95

95. FCAW designates which process? a. Flux cored arc welding

Question 96

96. GMAW designates which process? a. Gas machine arc welding b. Gas method arc welding c. Gas material arc welding d. Gas metal arc welding

Answer 96

96. GMAW designates which process? d. Gas metal arc welding

Question 97

97. GTAW designates which process? a. Gas tungsten arc welding b. General tungsten arc welding c. Globular transfer arc welding d. Gas torch arc welding

Answer 97

97. GTAW designates which process? a. Gas tungsten arc welding

Question 98

98. An E70T-6 electrode can be deposited using which process? a. FCAW b. SAW c. ESW d. All of the above e. None of the above

Answer 98

98. An E70T-6 electrode can be deposited using which process? a. FCAW

Question 99

99. ER70S-6 filler material can be used with which of these processes? a. GTAW b. GMAW C. PAW d. All of the above

Answer 99

99. ER70S-6 filler material can be used with which of these processes? D. All of the above a. GTAW b. GMAW C. PAW

Question 100

100. A granular flux is a characteristic of which of the following? a. ESW b. GMAW c. PAW d. LBW

Answer 100

100. A granular flux is a characteristic of which of the following? a. ESW

Question 101

101. Which of the classifications listed below produces the strongest weld metal? a. ER70S-6 b. E71T-5 c. E7018 d. F7A2-EM12K e. No difference

Answer 101

101. Which of the classifications listed below produces the strongest weld metal? E. No difference

Question 102

102. Which cutting methods utilize electricity? a. PAC b. CAC-A c. OAC d. "a" and "b" above e. "b" and "c" above

Answer 102

102. Which cutting methods utilize electricity? D. "a" and "b" above a. PAC b. CAC-A

Question 103

103. A tubular electrode is a significant characteristic of which process? a. SAW b. ESW c. FCAW d. SMAW e. GMAW

Answer 103

103. A tubular electrode is a significant characteristic of which process? c. FCAW

Question 104

104. Which arc welding process is utilized very effectively for the welding of various types of attachments to the surface of plates and structural members? a. SMAW b. GMAW c. FCAW d. SW e. ESW

Answer 104

104. Which arc welding process is utilized very effectively for the welding of various types of attachments to the surface of plates and structural members? d. SW

Question 105

105. Short circuiting metal transfer is a mode of operation for: a. GTAW b. FCAW c. SMAW d. All of the above e. None of the above

Answer 105

105. Short circuiting metal transfer is a mode of operation for: e. None of the above

Question 106

106. The need for electrode holding ovens for some types of filler metal is a disadvantage of which process below? a. SMAW b. FCAW c. SAW d. OFW e. ESW

Answer 106

106. The need for electrode holding ovens for some types of filler metal is a disadvantage of which process below? a. SMAW

Question 107

107. Which process utilizes a carbon electrode surrounded by a copper sheath? a. SMAW b. GMAW c. GTAW d. CAC-A e. PAC

Answer 107

107. Which process utilizes a carbon electrode surrounded by a copper sheath? d. CAC-A

Question 108

108. EWTh-1 is an electrode designation for which of those processes listed below? a. GTAW b. PAW c. GMAW d. "a" and "b" above e. "b" and ''c" above

Answer 108

108. EWTh-1 is an electrode designation for which of those processes listed below? D. "a" and "b" above a. GTAW b. PAW

Question 109

109. The ability to easily join dissimilar metals is an advantage a. GTAW b. PAW c. FB d. OAW e. SMAW

Answer 109

109. The ability to easily join dissimilar metals is an advantage c. FB

Question 110

110. Which of the following types of electrodes would not be recommended for the welding of circumferential pipe welds in a field environment and positioned in the 5G position? a. E6010 b. E7018 c. E8018 d. E7028 e. E7010

Answer 110

110. Which of the following types of electrodes would not be recommended for the welding of circumferential pipe welds in a field environment and positioned in the 5G position? d. E7028

Question 111

111. The ability to perform keyhole welding is a primary advantage of: a. GTAW b. PAW d. SMAW d. FCAW e. SAW

Answer 111

111. The ability to perform keyhole welding is a primary advantage of: b. PAW

Question 112

112. Which gases can be used for OFW? a. MAPP b. Acetylene c. Natural gas d. Propane e. All of the above

Answer 112

112. Which gases can be used for OFW? b. Acetylene

Question 113

113. Which gases below can be used for TB? a. Acetylene b. Oxygen c. Natural gas d. Propane e. All of the above

Answer 113

113. Which gases below can be used for TB? E. All of the above a. Acetylene b. Oxygen c. Natural gas d. Propane

Question 114

114. A ferrule is an item used for shielding in which process below? a. ESW b. PAW c. PAC d. SW e. FB

Answer 114

114. A ferrule is an item used for shielding in which process below? d. SW

Question 115

115. A constricting nozzle is one of !he compommls for which welding process? a. PAW b. GTAW c. SAW d. GMAW e. SW

Answer 115

115. A constricting nozzle is one of !he compommls for which welding process? a. PAW

Question 116

116. What gases can be utilized for GMAW? a. Carbon dioxide b. Argon c. 75% Argon -- 25% Carbon dioxide d. 98% Argon - 2% Oxygen e. All of the above

Answer 116

116. What gases can be utilized for GMAW? E. All of the above a. Carbon dioxide b. Argon c. 75% Argon -- 25% Carbon dioxide d. 98% Argon - 2% Oxygen

Question 117

117. The process which can be utilized either with or without an external shielding gas is: a. GMAW b. SMAW c. FCAW d. GTAW e. PAW

Answer 117

117. The process which can be utilized either with or without an external shielding gas is: c. FCAW

Question 118

118. Which of the welding processes below is generally considered to provide the highest deposition rate? a. SAW b. ESW c. FCAW d. SMAW e. GMAW

Answer 118

118. Which of the welding processes below is generally considered to provide the highest deposition rate? b. ESW

Question 119

119. When welding carbon steel with the OAW process, the torch should be adjusted to provide: a. An oxidizing flame b. A carburizing flame c. A neutral flame d. A heating flame e. A reducing flame

Answer 119

119. When welding carbon steel with the OAW process, the torch should be adjusted to provide: c. A neutral flame

Question 120

120. A contact tube is a component used in: a. GMAW b. FCAW c. SAW d. All of the above e. Both a and b above

Answer 120

120. A contact tube is a component used in: D. All of the above a. GMAW b. FCAW c. SAW

Question 121

121. What processes can be used to efficiently cut austenitic stainless steels? a. PAC b. CAC-A c. OFC d. "a" and "b" above e. "b" and "c" above

Answer 121

121. What processes can be used to efficiently cut austenitic stainless steels? D. "a" and "b" above a. PAC b. CAC-A c. OFC

Question 122

122. The requirement for two (2) separately-supplied gases is a characteristic of which welding process? a. GTAW b. GMAW c. FCAW d. PAW e. SW

Answer 122

122. The requirement for two (2) separately-supplied gases is a characteristic of which welding process? d. PAW

Question 123

123. Which of the following processes utilize a flux to provide necessary shielding? a. SMAW b. SAW c. TB d. "a" and "b" above e. All of the above

Answer 123

123. Which of the following processes utilize a flux to provide necessary shielding? D. "a" and "b" above a. SMAW b. SAW

Question 124

124. Which of the following is another term for a "caulking weld"? a. Putty weld b. Bonda weld c. Seal weld d. None of the above

Answer 124

124. Which of the following is another term for a "caulking weld"? c. Seal weld

Question 125

125. Which of the following shade lens should be worn when performing OFC? a. No lens is required b. 2 c. 3 d. 4-5

Answer 125

125. Which of the following shade lens should be worn when performing OFC? d. 4-5

Question 126

126. Which statement below correctly describes "Transition Current"? a. Increasing current when using GMAW to change transfer mode from globular to spray b. Decreasing current when using FCAW to change transfer mode from globular to spray c. Increasing current when using FCAW to change transfer mode from globular to spray d. Decreasing current when using GMAW to change transfer mode from globular to spray

Answer 126

126. Which statement below correctly describes "Transition Current"? a. Increasing current when using GMAW to change transfer mode from globular to spray

Question 127

127. When Carbon Arc Welding (CAW) was used, the process could be performed: a. Manually b. Mechanized c. Automatically d. Semiautomatically

Answer 127

127. When Carbon Arc Welding (CAW) was used, the process could be performed: a. Manually

Question 128

128. Which of the following mechanical tests is used to test brazed joints? a. Peel test b. Tension test c. lzod test d. Charpy V Notch test

Answer 128

128. Which of the following mechanical tests is used to test brazed joints? a. Peel test

Question 129

129. When performing Air Carbon Arc Cutting (CAC-A), cutting may be: a. Performed manually b. Mechanized c. Performed automatically d. Either a or b

Answer 129

129. When performing Air Carbon Arc Cutting (CAC-A), cutting may be: D. Either a or b a. Performed manually b. Mechanized

Question 130

130. Which of the following materials will usually be welded using a tri-mix gas and the GMAW process? a. Stainless stel b. Copper nickel c. Carbon steel d. Both a and c e. All of the above

Answer 130

130. Which of the following materials will usually be welded using a tri-mix gas and the GMAW process? a. Stainless stel

Question 131

131. Changing from DCEP to AC when using SAW process will provide which of !he following? a. Decrease arc blow b. Increase wire feed c. Increase arc voltage d. "a" and 0b" above e. All of the above

Answer 131

131. Changing from DCEP to AC when using SAW process will provide which of !he following? a. Decrease arc blow

Question 132

132. Which of the following is not recognized by AWS as a method for soldering? a. Iron soldering b. Gun soldering c. Cold soldering d. None of the above

Answer 132

132. Which of the following is not recognized by AWS as a method for soldering? c. Cold soldering

Question 133

133. The duty cycle of the SAW equipment should be? a. 70% b. 80% c. 100% d. Not important to the SAW process

Answer 133

133. The duty cycle of the SAW equipment should be? c. 100%

Question 134

ANSWER SHEET

Answer 134