Safety Practices & Equipment Handling Flashcards

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

Answer: 50 feet

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

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

Answer: Green

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

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

Answer: Purge and clean the container, then test for residual vapors

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

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

Answer: Hazard assessment, fire watch assignment, and equipment checks

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

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

Answer: Thin, flexible leather or deerskin gloves

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

What is the primary hazard associated with welding on galvanized steel?

Answer: Zinc oxide fume generation causing metal fume fever

Galvanized steel coatings release zinc oxide fumes when heated, which can cause metal fume fever, a flu-like illness, requiring enhanced ventilation or respiratory protection.

How should compressed gas cylinders be stored when not in use?

Answer: Upright and secured with chains or straps, caps installed

Cylinders must be stored upright, secured to prevent tipping, with protective caps installed, and separated by gas type and flammability.