1 Welding Process Overview

Question 1

What is welding?

Answer 1

Coalescence of materials. Permanent joining.

Question 2

What are the alternatives to welding?

Answer 2

Brazing, Soldering, Riveting, or Bolting

Question 3

What is gas welding, with a high temp flame from mixing acetylene and oxygen?

Answer 3

Oxyacetylene Welding (OAW)

Question 4

What is also known an stick welding, heat created by the arc, and shield created from burning flux?

Answer 4

Shielded Metal Arc Welding (SMAW)

Question 5

What is also called MIG, uses solid wire electrode, shielding gas is required, and considered semi-automatic. (Has 4 modes of transfer)

Answer 5

Gas Metal Arc Welding (GMAW)

Question 6

What are the 4 modes of transfer in GMAW?

Answer 6

Short Circuit, Globular, spray, pulsed spray

Question 7

What has two categories, gas shield, and self shield.

Answer 7

Flux Cored Arc Welding (FCAW) (FCAW-G : dualshield) (FCAW-S: innershield)

Question 8

What is also called TIG or Heliarc, is non-consumable tungsten electrode, shielding gas require, and considered a manual process?

Answer 8

Gas Tungsten Arc Welding (GTAW)

Question 9

What process has electricity passed through base metals- resistance causes localized heating?

Answer 9

Resistance Spot Welding (RSW)

Question 10

What process has welding shielded by granular flux?

Answer 10

Submerged Arc Welding

Question 11

Commonly used to weld attachments to a surface. What am I?

Answer 11

Stud Welding

Question 12

Flame from mixing fuel gas and oxygen. Fuel gases used are Acetylene, Propane, Chemtane, and natural gas. What is OFC?

Answer 12

Oxyfuel Cutting

Question 13

What is PAC?

Answer 13

Plasma Arc Cutting

Question 14

What is CAC-A?

Answer 14

Carbon Arc Gouging

Question 15

List the 5 most common welding processes.

Answer 15

SMAW -Stick
GMAW - Mig
FCAW - Dualshield or Innershield
GTAW - Tig
SAW - Sub-arc

Question 16

List the 2 most common cutting processes.

Answer 16

OFC and PAC