Exam 13: Flux Cored Arc Welding

Which of the following is true of FCA welding?

The ____ pass is the last weld pass on a multipass weld.

If the molten weld pool is large and fluid, use a "C" or "J" ____________________ to allow a longer time for the molten weld pool to cool.

To achieve complete root fusion, move ____ the leading edge of the weld pool.

FCAW is set up and manipulated in a manner similar to that of ____________________.

What can cause the filler wire to form a bird's nest?

A fillet weld is the type of weld made on ____.

Describe what to do if burn-through occurs.

FCA welding practice plates thicker than 1/2 inch ____.

Open-root joints are often avoided on ____________________ welds.

What is the maximum reinforcement for the cover pass?

A tack weld added to the center of a lap joint prevents ____________________.

Summarize the disadvantages of having to bevel a plate prior to welding.

Sometimes plug welds are used to make ________ welds that would not show after the weldment is finished.

When making the lap or tee joints of a fillet weld in the flat position, the plates must be at a(n) ____________________ degree angle so that the surface of the weld will be flat.

Too large a ____ pass can trap slag under overlap along the lower edge of the weld.

Too light a roller pressure will ____.

If an open-root weld is needed, the root pass may be put in with a(n) ____________________ electrode.

A short-out of the contact tube will ____.

Explain the criteria for evaluating a cover pass.