Level 2 Handout

Question 1

Which gas produces more BTUs?

Answer 1

Propane

Question 2

What does the X represent in ER70S-X

Answer 2

chemical composition

Question 3

What does 1G mean?

Answer 3

Flat groove

Question 4

What does 2G mean?

Answer 4

Horizontal groove

Question 5

What does 3G mean?

Answer 5

Vertical Groove

Question 6

What does 4F mean

Answer 6

Overhead groove

Question 7

What does 1F mean?

Answer 7

Flat fillet

Question 8

What does 2F mean?

Answer 8

Horizontal fillet

Question 9

What does 3F mean?

Answer 9

Vertical fillet

Question 10

What does 4F mean?

Answer 10

Overhead fillet

Question 11

What should a tack weld be on a 3/8” plate?

Answer 11

1/4” - 3/8”

Question 12

What is the purpose of using a jig?

Answer 12

Guided device used in fabrication to do repetitive assemblies

Question 13

What is the purpose of a fixture?

Answer 13

Used as a restraint during an operation. Holds the work piece in position.

Question 14

What is the purpose of preflow?

Answer 14

The gas flow clears out any air in the nozzle or surrounding the weld zone.

Question 15

What does a 3F4G mean?

Answer 15

You start the groove fillet plate with a vertical fillet and put the plate in the overhead position to fill and cap it

Question 16

What type of flux is used for SAW

Answer 16

A granular flux