If the electrode is moved too fast when arc welding:
4. Open Ended
30 seconds
1 pt
Which of the following is not a recognized welding position?
5. Open Ended
30 seconds
1 pt
Flux is a chemical compound used to prevent the:
6. Open Ended
30 seconds
1 pt
Straight polarity is when:
7. Open Ended
30 seconds
1 pt
A second pass should never be done if:
8. Fill in the Blank
30 seconds
1 pt
The tensile strength of an E-7018 electrode is _______ pounds psi.
9. Open Ended
30 seconds
1 pt
Porosity describes the condition of:
10. Open Ended
30 seconds
1 pt
Mild steel is considered to have:
11. Open Ended
30 seconds
1 pt
The duty cycle of an arc welder refers to the:
12. Open Ended
30 seconds
1 pt
Which element in steel is most undesirable for welding?
13. Open Ended
30 seconds
1 pt
Which of the following is considered a fast freeze, deep penetrating, all purpose electrode?
14. Fill in the Blank
30 seconds
1 pt
A T-fillet weld is affected most by _______ distortion.
15. Open Ended
30 seconds
1 pt
What element is added more than others to iron in the manufacturing of steel?
16. Open Ended
30 seconds
1 pt
What shade of lens is used in arc welding?
17. Open Ended
30 seconds
1 pt
Which two welds are known as "fillet" welds?
18. Open Ended
30 seconds
1 pt
What is the first bead made when welding two pieces of metal together called?
19. Open Ended
30 seconds
1 pt
An electrical current that flows in one direction (+) for a half cycle and then in the other direction (-) for a half cycle is:
20. Open Ended
30 seconds
1 pt
For most arc welding jobs, the length of the arc should be:
21. Open Ended
30 seconds
1 pt
What is the purpose of the coating on an electrode?
22. Open Ended
30 seconds
1 pt
What is the work angle?
23. Open Ended
30 seconds
1 pt
When welding pieces that are of unequal thickness:
24. Open Ended
30 seconds
1 pt
What does the term "weld metal" refer to when arc welding?
25. Open Ended
30 seconds
1 pt
An E-7014 electrode can be used in:
26. Open Ended
30 seconds
1 pt
When welding vertical up, you should have:
27. Open Ended
30 seconds
1 pt
When selecting an electrode for a welding job it is best to:
28. Open Ended
30 seconds
1 pt
Ductility refers to:
29. Open Ended
30 seconds
1 pt
Malleability refers to:
30. Open Ended
30 seconds
1 pt
The heat energy across an arc is produced by the:
31. Fill in the Blank
30 seconds
1 pt
The slag which remains on top of the weld will _______ the speed that the weld cools.
32. Fill in the Blank
30 seconds
1 pt
A _______ is any material which allows electricity to flow through it.
33. Open Ended
30 seconds
1 pt
The two methods of striking an arc are:
34. Open Ended
30 seconds
1 pt
Electrodes are classified by the
35. Open Ended
30 seconds
1 pt
What kind of hammer should be used to remove slag?
36. Fill in the Blank
30 seconds
1 pt
Beveling is often used on very _______ metals.
37. Open Ended
30 seconds
1 pt
Arc blow is caused by:
38. Open Ended
30 seconds
1 pt
To stop arc blow from occurring you should:
39. Open Ended
30 seconds
1 pt
What is the correct arc length when welding in the flat position?
40. Open Ended
30 seconds
1 pt
A chill plate is used to:
41. Open Ended
30 seconds
1 pt
The output of a welding machine is relatively:
42. Open Ended
30 seconds
1 pt
Placing a small weld at each end of a joint is called:
43. Open Ended
30 seconds
1 pt
Eye hazards found in welding operations include:
44. Open Ended
30 seconds
1 pt
Protective equipment not suitable for eye protection from welding radiation includes:
45. Open Ended
30 seconds
1 pt
Which of the following gases can be used as shielding gases for GMAW?
46. Open Ended
30 seconds
1 pt
In a completed weld, the term for the junction between the weld face and the base metal is:
47. Open Ended
30 seconds
1 pt
Endurance limit is an expression used for what type of testing?
48. Open Ended
30 seconds
1 pt
The ability of a metal to absorb energy is called:
49. Open Ended
30 seconds
1 pt
Which alloying element is generally considered to have the most pronounced effect on the properties and performance of carbon steel?
50. Open Ended
30 seconds
1 pt
Which alloying element is commonly added to steel to improve its corrosion resistance?
51. Open Ended
30 seconds
1 pt
Hydrogen in the molten weld metal can cause:
52. Open Ended
30 seconds
1 pt
The point at which a metal's behavior changes from elastic to plastic (onset of permanent deformation) is referred to as:
53. Open Ended
30 seconds
1 pt
The family of hardness tests that uses both a minor and major load is called:
54. Open Ended
30 seconds
1 pt
Stainless steels are defined as having at least what percent chromium?
55. Open Ended
30 seconds
1 pt
The process where carbon is added to the surface of a steel to harden it is:
56. Open Ended
30 seconds
1 pt
Which of the following is a function of the flux coating of a SMAW electrode?
57. Open Ended
30 seconds
1 pt
What is the lead angle?
58. Open Ended
30 seconds
1 pt
When undercutting is a problem while arc welding, which adjustment would most likely correct the problem?
59. Open Ended
30 seconds
1 pt
What will be the result if you are using too low of an amperage when arc welding?
60. Open Ended
30 seconds
1 pt
An example of a metal that is "brittle" is:
61. Open Ended
30 seconds
1 pt
An AC welding machine is powered by high voltage and should only be serviced by a:
62. Fill in the Blank
30 seconds
1 pt
Arc welding can be performed in almost any position, but welding is most easily done if the weld is in the _______position.
63. Fill in the Blank
30 seconds
1 pt
A _______ is also known as a fillet weld.
64. Open Ended
30 seconds
1 pt
When making a T-weld the arc should be directed more toward the bottom plate to prevent:
65. Open Ended
30 seconds
1 pt
What does the abbreviation GMAW stand for?
66. Open Ended
30 seconds
1 pt
The UL symbol means:
67. Fill in the Blank
30 seconds
1 pt
Porosity in a weld might be caused by _______.
68. Open Ended
30 seconds
1 pt
When arc welding, injury to the eyes can result from:
69. Open Ended
30 seconds
1 pt
The appearance and strength of a bead are influenced by the:
70. Open Ended
30 seconds
1 pt
When welding with a direct current machine straight polarity, the electrode holder would be:
71. Open Ended
30 seconds
1 pt
The output of an arc welding machine is commonly expressed in terms of:
72. Fill in the Blank
30 seconds
1 pt
AC welding machines house transformers to reduce input _______ and increase output _______ for safe and effective welding.
73. Open Ended
30 seconds
1 pt
The AC/ DC welding machine is essentially an AC welder with an electronic device to convert AC to DC power. This electronic device is called a(n):
74. Open Ended
30 seconds
1 pt
What are probable results if the welding current is too high or the arc length is too great?
75. Open Ended
30 seconds
1 pt
Which of the following is NOT a cause of undercutting?
76. Open Ended
30 seconds
1 pt
Which of the following characteristics is not important in determining the type of welding electrode to select?
77. Open Ended
30 seconds
1 pt
Which type of SMAW welding machine provides from both AC and DC current for welding?
78. Open Ended
30 seconds
1 pt
Why is a change in polarity useful in electric arc welding?
79. Fill in the Blank
30 seconds
1 pt
The last digit in the electrode number designates the _______.
80. Open Ended
30 seconds
1 pt
In the GMAW welding process, the "consumable" electrode is in the form of a:
81. Open Ended
30 seconds
1 pt
Which of the following is recommended to be worn under the welding helmet for safety protection of the eyes when accomplishing other tasks besides welding?
82. Open Ended
30 seconds
1 pt
The first two digits in the AWS electrode classification number designates the:
83. Open Ended
30 seconds
1 pt
Which of the following would be classified as a destructive type weld test?
84. Fill in the Blank
30 seconds
1 pt
In the shielded metal arc welding process, impurities are floated out of the molten puddle to form a deposit known as _______ that protects the weld as it cools.
85. Open Ended
30 seconds
1 pt
You must know the kind of metal to be welded before you can select an electrode. Which of the following is an example of a ferrous metal?
86. Open Ended
30 seconds
1 pt
What term is used to describe the continuous running time for which a welding machine was designed?
87. Open Ended
30 seconds
1 pt
What is meant by the term "ductility" as it applies to metal?
88. Open Ended
30 seconds
1 pt
The property of a metal that allows it to withstand forces, sudden shock or bends without fracturing.
89. Open Ended
30 seconds
1 pt
Tensile strength refers to:
90. Open Ended
30 seconds
1 pt
The ability of a metal to resist being twisted apart is called its.
91. Open Ended
30 seconds
1 pt
The ability of a metal to resist fracture under a sudden load is called its:
92. Open Ended
30 seconds
1 pt
What does to term "quenching" refer to in welding?
93. Open Ended
30 seconds
1 pt
Which of the following metals has a carbon content between 2% and 4%?