CRI Welding Processes & Techniques

Question 1

What is the main purpose of shielding gas in welding?

Accepted Answer

To protect the weld pool from oxygen and nitrogen.

Answer

To cool the weld quickly.

Answer

To add color to the weld.

Answer

To heat the base metal.

Question 2

Which welding process uses a consumable electrode coated in flux?

Accepted Answer

Shielded Metal Arc Welding (SMAW).

Answer

Gas Tungsten Arc Welding (GTAW).

Answer

Oxy-fuel welding.

Answer

Plasma arc welding.

Question 3

What is the characteristic of a proper weld bead?

Accepted Answer

Uniform width with smooth edges and good penetration.

Answer

Uneven width and rough edges.

Answer

Excessive spatter and cracks.

Answer

Incomplete fusion.

Question 4

Which welding technique is best suited for thin metals?

Accepted Answer

Gas Tungsten Arc Welding (GTAW).

Answer

Shielded Metal Arc Welding (SMAW).

Answer

Oxy-fuel welding.

Answer

Submerged arc welding.

Question 5

What does welding penetration refer to?

Accepted Answer

Depth of fusion into the base metal.

Answer

Width of the weld bead.

Answer

Surface finish quality.

Answer

Length of the weld.

Question 6

Which welding defect is caused by trapped gas bubbles?

Accepted Answer

Porosity.

Answer

Cracking.

Answer

Undercut.

Answer

Incomplete fusion.

Question 7

What is the function of a welding helmet?

Accepted Answer

To shield the welder from UV rays and sparks.

Answer

To hold the electrode.

Answer

To cool the welding equipment.

Answer

To clean the weld.

Question 8

Which welding process uses a continuously fed wire electrode?

Accepted Answer

Gas Metal Arc Welding (GMAW).

Answer

Shielded Metal Arc Welding.

Answer

Gas Tungsten Arc Welding.

Answer

Flux-cored Arc Welding.

Question 9

What safety precaution is essential during welding?

Accepted Answer

Ensuring adequate ventilation.

Answer

Ignoring sparks.

Answer

Wearing loose clothing.

Answer

Working in confined spaces without protection.