AWS Submerged Arc Welding (SAW)

Question 1

In Submerged Arc Welding (SAW), the arc is shielded by which of the following?

Accepted Answer

A blanket of granular flux

Answer

A shielding gas mixture

Answer

A ceramic backing strip

Answer

A refractory slag coating applied before welding

Question 2

Which AWS specification covers electrodes and fluxes for Submerged Arc Welding of carbon and low-alloy steel?

Accepted Answer

AWS A5.17

Answer

AWS A5.23

Answer

AWS A5.18

Answer

AWS A5.29

Question 3

What is the primary advantage of Submerged Arc Welding compared to Shielded Metal Arc Welding (SMAW)?

Accepted Answer

Higher deposition rates and travel speeds

Answer

Lower equipment cost

Answer

Ability to weld in all positions

Answer

Minimal distortion in thin sheet metal

Question 4

In SAW, unused granular flux that is not fused during welding is typically:

Accepted Answer

Recovered and reused after screening

Answer

Discarded as hazardous waste

Answer

Mixed with the slag for recycling

Answer

Burned off in a post-weld heat treatment

Question 5

Which welding position is SAW most commonly performed in?

Accepted Answer

Flat (1G) and horizontal fillet (2F)

Answer

Overhead (4G)

Answer

Vertical (3G)

Answer

All positions equally

Question 6

In SAW electrode classification such as EL12, what does 'L' indicate?

Accepted Answer

Low carbon content

Answer

Low hydrogen content

Answer

Low manganese content

Answer

Low silicon content

Question 7

Which variable has the greatest influence on bead width in Submerged Arc Welding?

Accepted Answer

Welding voltage

Answer

Wire feed speed

Answer

Travel speed

Answer

Flux depth