Welding

Question 1

Which color for which gas on the cutting torch?

Answer 1

Green oxygen

Red acetylene

Question 2

What pressures set for cutting torch

Answer 2

5psi acetylene

25psi oxygen

Question 3

SMAW

Answer 3

Shielded metal arc welding

Question 4

MIG

Answer 4

Metal inert gas welding

Question 5

FCAW

Answer 5

Flux core arc welding

Question 6

TIG or GTAW

Answer 6

Tungsten inert gas or gas tungsten welding

Question 7

First 2 or 3 digits in electrode

Answer 7

Tensile strength times 100, per sq in weld

Question 8

3rd digit in electrode

Answer 8

Possible welding positions

1-all position, flat horiz vert overhead
2-flat and horizontal
3-flat only

Question 9

4th digit in electrode

Answer 9

Amount of shielding material, lower number has less

Question 10

Most common metals for mig

Answer 10

Carbon steel
Stainless steel
Aluminum

Question 11

Most common welder

Answer 11

Arc welder

Question 12

Most common mig wire sizes

Answer 12

.023, .030, .035, .045

Question 13

Most common mig wire

Answer 13

ER 70S-6

Question 14

Common mild steel gas

Answer 14

C-25 (25% CO2, 75% argon)

Question 15

Typical aluminum gasses

Answer 15

100% argon and 100% helium

Question 16

Which gas is used for thick steel

Answer 16

100% CO2

Question 17

Flat position number/letter

Answer 17

1g

Question 18

Horizontal number/letter

Answer 18

2g

Question 19

Vertical number/letter

Answer 19

3g

Question 20

Overhead number/letter

Answer 20

4g