WCL Safety Standards & Regulations 2

Question 1

Under OSHA 29 CFR 1910.252, what minimum distance must combustible materials be kept from welding operations, or what alternative must be used?

Accepted Answer

10 feet, or use fire-resistant shields

Answer

OSHA 1910.252 requires combustibles be moved at least 35 feet away or protected by fire-resistant guards/shields.

Question 2

Which ANSI standard governs the selection, care, and use of respiratory protection equipment used during welding?

Accepted Answer

ANSI Z88.2

Answer

ANSI Z88.2 sets the standard for respiratory protection practices, including those used in welding environments.

Question 3

A welder notices a small fuel-gas leak at a hose fitting. What is the correct immediate action?

Accepted Answer

Stop work, shut off the gas supply, and ventilate the area before repairing

Answer

Any fuel-gas leak requires immediate shutdown and ventilation to prevent fire or explosion.

Question 4

What is the maximum oxygen concentration (by volume) at which a space is considered oxygen-enriched and presents an elevated fire hazard?

Accepted Answer

Above 23.5%

Answer

OSHA defines an oxygen-enriched atmosphere as one containing more than 23.5% oxygen by volume.

Question 5

California's Cal/OSHA Title 8 Section 4848 specifically addresses welding safety. Which authority enforces this regulation in Los Angeles County?

Accepted Answer

Cal/OSHA Division of Occupational Safety and Health

Answer

Cal/OSHA's Division of Occupational Safety and Health enforces Title 8 welding regulations throughout California including Los Angeles.

(WCL) Welding Certification Los Angeles Practice Test