Certified Welder Safety Practices & Equipment Handling 2

Question 1

What is the minimum safe distance bystanders should maintain from arc welding operations without proper eye protection?

Accepted Answer

50 feet

Answer

OSHA recommends bystanders stay at least 50 feet from arc welding operations or use appropriate shielding/screens to prevent arc flash injuries.

Question 2

Which color code indicates an oxygen cylinder in the US welding industry?

Accepted Answer

Green

Answer

In the US, oxygen cylinders are typically painted green, though always verify by reading the cylinder label since color coding is not universally standardized.

Question 3

When welding on a container that previously held flammable materials, what is the safest first step?

Accepted Answer

Purge and clean the container, then test for residual vapors

Answer

Containers must be thoroughly purged, cleaned, and tested for residual flammable vapors before welding to prevent explosions.

Question 4

What does a 'hot work permit' require the welder to document before starting work?

Accepted Answer

Hazard assessment, fire watch assignment, and equipment checks

Answer

A hot work permit requires documentation of hazard identification, fire watch arrangements, fire suppression availability, and equipment inspection results.

Question 5

Which type of glove is specifically designed for TIG (GTAW) welding?

Accepted Answer

Thin, flexible leather or deerskin gloves

Answer

TIG welding requires thin, flexible gloves (often deerskin) to allow the dexterity needed to manually feed filler rod while maintaining control.

Certified Welder Practice Test

Certified Welder Practice Test

Certified Welder Safety Practices & Equipment Handling 2