verified answers graded A+
If the electrode freezes to the work
a. Increase the amperage
b. Change the ground terminal.
c. Use a chipping hammer to knock the electrode free.
d. Turn the welding machine off immediately. - correct answer ✔✔d
The proper length of arc may be judged by
a. The sound of the arc.
b. The appearance of the arc.
c. The appearance of the weld.
d. All of the above. - correct answer ✔✔d. All of the above.
If the electrode is moved too fast when arc welding
a. A wide bead will result
b. Not enough metal will be deposited.
, c. Excessive weld metal will be used
d. The bead will be too high. - correct answer ✔✔b. Not enough metal will be deposited.
Which of the following is not a recognized welding position?
a. Diagonal
b. Overhead
c. Vertical
d. Horizontal - correct answer ✔✔a. Diagonal
Flux is a chemical compound used to prevent the
a. Metal from becoming overheated.
b. Welding rod from freezing to the metal.
c. Formation of carbon on the metal.
d. Formation of an oxide on the metal. - correct answer ✔✔d. Formation of an oxide on the
metal.
Straight polarity is when
a. Work is positive and the electrode is negative.