TIG Welding

Question 1

What does (gtaw) stand for?

Answer 1

Gas tungsten arc welding

Question 2

What power source is used for Tig?

Answer 2

Constant current

Question 3

Three type of alternating current used for GTAW?

Answer 3

Sine wave, square wave, asthmatic wave

Question 4

What is a common setting to use with GTAW ?

Answer 4

DCEN - direct current electrode negative

Question 5

What kind of a wire brush should be used for clean aluminum?

Answer 5

Stainless steel

Question 6

What kind of gas is used with GTAW?

Answer 6

Angon- helium

Question 7

Aluminum oxide melts at blank temperature than aluminum base metal

Answer 7

3X

Question 8

What is the proper filler metal angle?

Answer 8

10-20 degrees from base metal

Question 9

The arc length should be blank times the electrode diameter?

Answer 9

One X

Question 10

What is the only material that is considered a consumable in tig?

Answer 10

Filler materials

Question 11

Which GTAW gas makes the easiest arc?

Answer 11

Argon

Question 12

Which GTAW makes the hottest ARC?

Answer 12

Helium

Question 13

What amps should GTAW torches be water - cooled at?

Answer 13

200AMPS

Question 14

What is the minimum point on a GTAW tungsten electrode?

Answer 14

2-2.5 inches

Question 15

What are the two main methods of GTAW welding?

Answer 15

Fusion autogenous (no filler)

Question 16

What is the easiest way to visually tell if a GTAW weld is Autogenous or not?

Answer 16

Concave = autogenous (fusion)

Question 17

What can happen to the tungsten electrode when too high of an amperage is used?

Answer 17

It can melt and contaminate the metall