Safety Procedures & PPE Flashcards
7 cards from real CAR 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 Procedures & PPE flashcards as text
Which label symbol on a chemical container indicates an acute health hazard such as toxicity?
Answer: Skull and crossbones
The skull and crossbones GHS pictogram indicates acute toxicity (Categories 1–3), the most severe acute health hazard classification.
What is the minimum dielectric rating required for electrical insulating gloves used when working near energized 480V circuits?
Answer: Class 0 (1,000V rated)
Class 0 gloves are rated for up to 1,000V and are appropriate for 480V circuits, meeting ASTM D120 and OSHA 1910.137 requirements.
Polychlorinated biphenyls (PCBs) may be found in which component of older (pre-1979) appliances?
Answer: Ballast capacitors in fluorescent lighting
PCBs were widely used as dielectric fluid in capacitors, including ballast capacitors in fluorescent lamp fixtures, before being banned in 1979.
What does the term 'immediately dangerous to life or health' (IDLH) mean in the context of appliance recycling safety?
Answer: An atmosphere that poses an immediate threat of severe injury or death within 30 minutes of exposure
NIOSH defines IDLH as any condition that poses an immediate or delayed threat to life, or that could cause irreversible adverse health effects or impair escape, within 30 minutes.
A technician must enter a pit beneath the appliance shredder to clear a jam. This space qualifies as a permit-required confined space. What is required before entry?
Answer: A written permit specifying hazards, entrants, attendants, and rescue procedures
OSHA 29 CFR 1910.146 requires a written entry permit listing all identified hazards, authorized entrants, attendants, and rescue procedures before permit-required confined space entry.
Which of the following correctly describes the hierarchy of hazard controls, from most to least effective?
Answer: Elimination → Substitution → Engineering controls → Administrative controls → PPE
NIOSH's hierarchy places elimination at the top (most effective) followed by substitution, engineering controls, administrative controls, and PPE (least effective).
What type of safety footwear is required when handling heavy appliances that could fall or roll over the foot?
Answer: Steel-toed boots meeting ASTM F2413 standards
ASTM F2413-compliant steel-toed or composite-toed safety boots are required where foot injury from falling or rolling heavy objects is a hazard.