Final exam

Which process uses a high temperature and a restricted stream of ionized gas?

• Plasma Arc Cutting

• Oxy-Fuel Cutting

• Chop saw

• 4 1/2" grinder

Select all of the advantages of the OFC process:

• Lower cost Cuts thicker metals More portable

• Minimal cleanup Relatively simple to use Cuts non-ferrous metals

The SMAW electrode, also referred to as a “stick,” is made of what two items?

• A core wire and flux coating

• Tungsten and flux coating

• Argon and Oxygen

• Tungsten and a core wire

What does the acronym FCAW stand for?

• Flux Cored Arc Welding

• Flux Cut Arc Welding

• Fillet Cutting Arc Welding

What does the acronym GMAW stand for?

• Gas Metal Arc Welding

• Gas Melting Arc Welding

• Gauge Metal Arc Welding

• Grinding Metal Arc Welding

What does the acronym GTAW stand for?

• Gas Tungsten Arc Welding

• Grinding Tungsten Arc Welding

• Stick welding

• Gauge Tungsten Arc Welding

Shielding gas protects both the tungsten electrode and the weld puddle from oxygen during welding.

• True

• False

Which current travels in one direction for a period of time and then reverses it’s direction for a period of time?

• Alternating Current

• Direct Current Electrode Positive

• Direct Current Electrode Negative

• ACDC

___________ is the opposition to current flow.

• Resistance

• Voltage

• DCEP

• DCEN

“Reverse polarity” is correctly known as ___, and indicates the electrode is connected to the ___ output terminal.

• DCEP, Positive

• DCEN, Negative

• DCEP, Negative

• DCEN, Positive