AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/weld-zinc-galvanized-indoors

Indoors, OSHA says welding galvanized (zinc-coated) steel must be done with what?

Start playing free

  1. Local exhaust hoods or booths
  2. A darker lens only
  3. Nothing if the job is under an hour

🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every Welder Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. OSHA 29 CFR 1910.252 General requirements, welding, cutting and brazing www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.252 Checked 2026-10-10.
  2. NIOSH Pocket Guide to Chemical Hazards, Zinc oxide www.cdc.gov/niosh/npg/npgd0675.html Checked 2026-10-10.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Trades & ShopOSHA's minimum mechanical ventilation rate per welder is how many cubic feet per minute?Trades & ShopMechanical ventilation is required in a space with less than how many cubic feet per welder?Trades & ShopWhich gas must never be used to ventilate a confined space where welding is done?

That's stuff everyone should know.