AhaBulb: Stuff Everyone Should Know · ahabulb.com/osha-machine-guarding-fan-blades
Fan blades lower than how many feet above the floor must be guarded?
- 5 feet
- 7 feet
- 10 feet
🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every Worker Should Know, plus timed practice exams.
The first 50 cards of every test are free to play.
Like this card?
References
- 29 CFR 1910.212 General requirements for all machines www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-O/section-1910.212 Checked 2026-10-11.
Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.
More stuff everyone should know
Workplace Safety (OSHA)How high must a construction guardrail top edge be above the walking/working level?Workplace Safety (OSHA)On a construction scaffold, at what height above a lower level is fall protection required?Workplace Safety (OSHA)When safety nets are used for fall protection, how close below the work surface must they be installed?
That's stuff everyone should know.