Certified Welder Safety and Equipment Setup 2

Question 1

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

Accepted Answer

10 feet

Answer

5 feet

Answer

15 feet

Answer

25 feet

Question 2

Which type of respirator is required when welding on galvanized steel?

Accepted Answer

Air-purifying respirator with metal fume filter

Answer

Dust mask (N95)

Answer

Supplied-air respirator

Answer

Simple surgical mask

Question 3

Before setting up an oxy-acetylene welding station, which valve should be opened first?

Accepted Answer

Acetylene cylinder valve

Answer

Oxygen cylinder valve

Answer

Both simultaneously

Answer

Torch needle valve

Question 4

What does a green color on a compressed gas cylinder indicate in the US?

Accepted Answer

Oxygen

Answer

Acetylene

Answer

Hydrogen

Answer

Argon

Question 5

Which OSHA standard primarily governs welding, cutting, and brazing safety in general industry?

Accepted Answer

29 CFR 1910.252

Answer

29 CFR 1926.350

Answer

29 CFR 1910.146

Answer

29 CFR 1926.651

Question 6

What is the purpose of a weld curtain or welding screen in a shop environment?

Accepted Answer

Protect nearby workers from arc flash and UV radiation

Answer

Reduce noise from welding arcs

Answer

Prevent fumes from spreading to other areas

Answer

Shield equipment from spatter damage

Question 7

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

Accepted Answer

Upright and secured with chains or straps

Answer

Lying flat to prevent rolling

Answer

Upside down to keep valves clean

Answer

Stacked horizontally in pairs