FFA Welding Question Bank

If the electrode freezes to the work:

• Increase the amperage

• Change the ground terminal.

• Use a chipping hammer to knock the electrode free.

• Turn the welding machine off immediately.

The proper length of arc may be judged by:

• The sound of the arc

• The appearance of the arc

• The appearance of the weld

• All of the above.

If the electrode is moved too fast when arc welding:

• A wide bead will result

• Not enough metal will be deposited

• Excessive weld metal will be used

• The bead will be too high

Which of the following is not a recognized welding position?

• Diagonal

• Overhead

• Vertical

• Horizontal

Flux is a chemical compound used to prevent the:

• Metal from becoming overheated.

• Welding rod from freezing to the metal

• Formation of carbon on the metal

• Formation of an oxide on the metal

Straight polarity is when:

• Work is positive and the electrode is negative

• Both the work and the electrode are positive

• The work is negative and the electrode is positive

• Both the work and the electrode are negative.

A second pass should never be done if:

• The first was a poor weld

• The joint was ground.

• The slag from the first pass has been removed.

• The slag from the first pass has not been removed.

The tensile strength of an E-7018 electrode is _______ pounds psi.

• 3,500

• 7,000

• 70,000

• 701,000

Porosity describes the condition of:

• Non-fused nonmetallic substances in a weld.

• Gas pockets and voids in the metal.

• The weld at the place the heat is supplied.

• A depression in the face of the weld.

Mild steel is considered to have:

• No carbon content

• Low carbon content

• Medium carbon content

• High carbon content