Weld-7 Final Review

What welding position(s) can be welded with pulsed GMAW process?

GTAW can be used to weld almost any type of metal.

What is the AWS designation for short circuit gas metal arc welding?

Globular is a desirable and stable mode of transfer and is used in all positions for fillet welds.

What type of power source does GTAW use?

For spray transfer to occur, what is the minimum argon % required?

Which shielding gas is used and most commonly recommended for spray transfer on carbon steel?

The cleanliness of both the weld joint area and the filler metal is of utmost importance with GTAW.

The tungsten electrode in GTAW is consumed much like the electrode in SMAW.

GMAW-S gets its name from welding wire actually “short circuiting” (touching) the base metal 20 to 250 times a second.

Which electrode is used for GTAW?

What does the acronym GTAW stand for?

When MIG welding on steel, using CO2 helps you get:

Which of these is not an disadvantage of GTAW?

You should have a dedicated grinding wheel for preparing tungsten.

Spray transfer on carbon steels has a high deposition rate and is used in:

There are two types of current, direct current (DC) and alternating current(AC).

What type of shielding gas is used for FCAW-S?

Which 2 gas combinations are recommended for spray, and pulsed spray of stainless steels (pick 2)?

What are the (4) modes of GMAW metal transfer?

High frequency can cause interference with electronics unless properly grounded.

Which of the following statements is true about carbon dioxide (CO2)?

GTAW welds without filler metal used are callled:

Which of these isn’t an application of GTAW?

Welds on thin materials less than 1/16” may not require filler metal.

What are two ways of starting the arc in GTAW?

Filler metals used for GTAW are classified the same as filler metals used for GMAW.

Which of these is not a typical tungsten diameter?

The GTAW process is a good process when good looking welds are required.

Which industry would not typically use GMAW-S in production?

Lack of fusion is probable on carbon steel thicker than 3/16” when welding with short circuit metal transfer.

Which welding process is most likely to be utilized by a robot?