Welding Final 2010

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1. Burns are some of the most common and painful injuries in a welding shop.

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About This Quiz
Welding Final 2010 - Quiz

Welding is the process of joining materials – usually metals or thermoplastics – by causing fusion, a method of metal-joining technique that involves melting the base metal. Do you consider yourself a master of the practice? Prove it with this quiz!

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2. Gas cylinders must be chained or secured at all times.

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3. Acetylene cylinders should never be operated while lying on their side because
acetone could be drawn into the valve, regulator and hoses.

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4. While welding, ventilation should be placed as close to the fume source as practical.

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5. Long hair, loose-fitting clothes, and ties are personal safety hazards around rotating equipment.

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6. Fuel gas fittings are equipped with left hand threads.

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7. Which of the following is the only acceptable method for lighting oxyfuel torches?

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8. Skin contact with liquid oxygen can cause frostbite.

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9. One should never touch an electrode to a metal surface other than the workpiece because those surfaces may become electrically live.

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10. Potential hazards relating to arc welding are

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11. Fuel gas hoses are usually colored

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12. One should never enter a welding shop without wearing

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13. One should never operate arc welding equipment while

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14. Oxygen cylinders should never be stored with flammable gases such as acetylene cylinders.

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15. When not in use, an electrode holder, GTAW torch or MIG gun should not be
placed in contact with a grounded metal surface.

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16. When using a fire extinguisher to extinguish a fire, it should be

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17. What are the initials of the federal organization created to insure safe and sanitary working conditions for employees?

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18. A butane or propane cigarette lighter is safe around welding equipment as long as it is kept in one's pocket.

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19. GMAW is the abbreviation for?

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20. What should one never use on gas cylinders, regulators, connections and hoses?

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21. What does the 70 indicate in the electrode classification ER70S-3?

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22. Vaporized metals, such as zinc, cadmium, lead, chromium and beryllium

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23. Safety glasses are not required when welding with the helmet down.

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24. The maximum safe working pressure for Acetylene is

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25. A Hot Work Permit

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26. In order to maintain production, it is acceptable to operate welding equipment
beyond its rated capacity.

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27. The maximum recommended safe working pressure for Acetylene is

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28. What type of thread and color are fuel gases fittings?

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29. In GMAW, insufficient gas flow can cause?

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30. The benefit of copper coated electrode wires is

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31. One should never cut or weld directly against

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32. What is the term for the width of the cut produced by any cutting process?

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33. Of the following, which is not a requirement for the SMAW process?

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34. Which of the following is considered an advantage of the GMAW process?

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35. The selection of a correct lens shade number depends on the

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36. What type of fire extinguisher should be used on electrical fires?

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37. Flash burn is

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38. A burn that causes the skin to blister is referred to as a

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39. The voltage present when the welding machine power switch is in the ON position, but no welding is taking place is called

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40. Federal regulation requires that hazardous information about a product be provided
to all users of that product. The form used to provide this information is called a(n)

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41. Rectifiers are noted for their ability to

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42. The oxyfuel process uses oxygen and what other types of gases?

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43. A confined space is one that

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44. Because of the low amount of ultraviolet light present, it is not necessary to use
shaded lenses when oxy-fuel cutting.

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45. The distance from the molten tip of the SMAW electrode to the surface of the molten weld pool should be

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46. The contact tube should be

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47. Excessive amounts of weld spatter in the nozzle may cause

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48. Which oxyacetylene flame has an excess of fuel?

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49. The shielding gas most commonly used for welding low carbon steel with GTAW is

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50. ANSI Z49.1 allows oxygen to be used as a substitute for compressed air when
necessary.

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51. Which shielding gas or gas mixture is most often used for welding carbon steel
with the short-circuiting transfer mode?

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52. What type of electrode wire is used with GMAW?

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53. Which of the following is not an advantage of the GMAW process?

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54. A fully charged oxygen cylinder contains approximately 225 psi at 70° F.

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55. "Duty cycle" is a term used to indicate the

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56. When referring to standard Alternating Current in North America, the current
changes direction

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57. When using GTAW to weld Aluminum with Alternating Current (AC), the tip of the tungsten electrode should be

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58. High Frequency current is added to Alternating Current to

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59. To remove the oxide layer from aluminum prior to welding you should

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60. Electric current is transferred to the electrode through the

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61. "Arc blow" is caused by

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62. Which AWS electrode classification is correct for GMAW wire?

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63. Which of the following methods is used to start the GTAW arc without touching the base metal?

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64. Which of the following is an incorrect statement about an E7018 electrode?

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65. Which of the following welding cable sizes is the largest?

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66. In GMAW, the amperage is controlled by adjusting the

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67. In the SMAW process, as arc length increases, current (amperage)

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68. In order to reduce waste and control cost, you should weld until the electrode is

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69. A worn contact tube results in

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70. Filler metal with an AWS classification of ER70S-X is used to weld

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71. The chemical symbol for tungsten is

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72. Filler metal with an AWS classification of ER4043 is used to weld

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73. Which one of the following electrodes is not suitable for use in all positions?

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74. An engine-driven generator without a rectifier produces what form of welding current?

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75. Alternating Current (AC) is used for welding aluminum because

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76. Which of the following electrodes would you select to produce a weld with shallow penetration?

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77. When DCEP is used, direction of current flows

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78. In GMAW, the shielding for the molten metal is accomplished through the use of

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79. What type of power source is used for GMAW?

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80. How long should the post purge (shielding gas) be allowed to flow after the welding arc is broken?

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81. Which of the following group of electrodes is low hydrogen type?

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82. In GMAW, electrode extension is defined as the distance from the

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83. Tungsten is used for GTAW electrodes because it has which of the following properties?

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84. Areas that have less than__________ cubic feet per welder, or that have ceilings less than 16 feet high, require forced ventilation.

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85. While cutting with acetylene, the oxygen working pressure is

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Burns ...
Gas cylinders must be chained or secured at all times.
Acetylene ...
While ...
Long ...
Fuel gas fittings are equipped with left hand threads.
Which of the ...
Skin contact with liquid oxygen can cause frostbite.
One should never ...
Potential hazards relating to arc welding are
Fuel gas hoses are usually colored
One should never enter a welding shop without wearing
One should never operate arc welding equipment while
Oxygen cylinders should never be ...
When ...
When using a fire extinguisher to extinguish a fire, it should be
What are the ...
A ...
GMAW is the abbreviation for?
What should one never ...
What does the 70 indicate in the electrode classification ER70S-3?
Vaporized metals, such as zinc, cadmium, lead, chromium and beryllium
Safety glasses are not required when welding with the helmet down.
The maximum safe working pressure for Acetylene is
A Hot Work Permit
In ...
The maximum recommended safe working pressure for Acetylene is
What type of thread and color are fuel gases fittings?
In GMAW, insufficient gas flow can cause?
The benefit of copper coated electrode wires is
One should never cut or weld directly against
What is the term for ...
Of the following, which is not a requirement for the SMAW process?
Which ...
The selection of a correct lens shade number depends on the
What type of fire extinguisher should be used on electrical fires?
Flash burn is
A burn that causes the skin to blister is referred to as a
The ...
Federal ...
Rectifiers are noted for their ability to
The oxyfuel process uses oxygen and what other types of gases?
A confined space is one that
Because ...
The distance from ...
The contact tube should be
Excessive amounts of weld spatter in the nozzle may cause
Which oxyacetylene flame has an excess of fuel?
The shielding gas ...
ANSI ...
Which ...
What type of electrode wire is used with GMAW?
Which of the following is not an advantage of the GMAW process?
A fully charged oxygen cylinder contains ...
"Duty cycle" is a term used to indicate the
When ...
When using GTAW to ...
High Frequency current is added to Alternating Current to
To remove the oxide layer from aluminum prior to welding you should
Electric current is transferred to the electrode through the
"Arc blow" is caused by
Which AWS electrode classification is correct for GMAW wire?
Which ...
Which ...
Which of the following welding cable sizes is the largest?
In GMAW, the amperage is controlled by adjusting the
In the SMAW process, as arc length increases, current (amperage)
In order to reduce waste and control cost, ...
A worn contact tube results in
Filler metal with an AWS classification of ER70S-X is used to weld
The chemical symbol for tungsten is
Filler metal with an AWS classification of ER4043 is used to weld
Which one of the ...
An engine-driven ...
Alternating Current (AC) is used for welding aluminum because
Which of the ...
When DCEP is used, direction of current flows
In GMAW, the shielding for the molten metal ...
What type of power source is used for GMAW?
How ...
Which of the following group of electrodes is low hydrogen type?
In GMAW, electrode extension is defined as the distance from the
Tungsten is used for ...
Areas that have less than__________ cubic feet per welder, or that...
While cutting with acetylene, the oxygen working pressure is
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