Safety Standards Flashcards
7 cards from real SE ENGR. practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Safety Standards flashcards as text
Under OSHA 1926.501, at what height must construction workers on a rooftop solar job be protected from falls?
Answer: 6 feet
OSHA construction standards require fall protection at 6 feet or more above a lower level.
What is the required top-rail height of a guardrail system under OSHA construction standards?
Answer: 42 inches ± 3 inches
OSHA 1926.502(b) requires guardrail top rails at 42 inches, plus or minus 3 inches.
An anchorage for a personal fall arrest system must support at least how much load per attached employee if not designed by a qualified person?
Answer: 5,000 lb
OSHA requires PFAS anchorages to support 5,000 lb per employee or be designed with a safety factor of two by a qualified person.
Under NFPA 70E, the arc flash boundary is the distance at which incident energy equals what value?
Answer: 1.2 cal/cm²
The arc flash boundary is where incident energy reaches 1.2 cal/cm², the onset of a second-degree burn.
Which OSHA standard governs the control of hazardous energy (lockout/tagout) during service of equipment like inverters?
Answer: 29 CFR 1910.147
29 CFR 1910.147 is OSHA's control of hazardous energy (lockout/tagout) standard.
OSHA limits the free-fall distance in a personal fall arrest system to a maximum of how many feet?
Answer: 6 feet
Personal fall arrest systems must be rigged so a worker cannot free fall more than 6 feet.
When a portable ladder is used to access a roof, how far must its side rails extend above the upper landing surface?
Answer: 3 feet
OSHA 1926.1053 requires ladder side rails to extend at least 3 feet above the landing.