OSHA 500 CORE EXAM MANUAL 2026/2027 QUESTIONS
AND SOLUTIONS RATED A+
✔✔restricted rear view requirements (2) - ✔✔audible reverse signal alarm
observer to signal that its safe to back up
✔✔parking precautions for PITs (3) - ✔✔parking break set
wheels chocked
location of equipment when parked at night next to highway
✔✔certified forklift operator training requirements (3) - ✔✔(training conducted by
knowledgable trained experienced person)
1. formal instruction (classroom)
2. practical
3. evaluation of performance (every 3 yrs)
✔✔Chemicals enter the body (4) - ✔✔inhalation
injection
ingestion
absorption
✔✔3 air contaminant hazards - ✔✔silica
asbestos
lead
✔✔3 biological hazards - ✔✔pathogens
poisonous plants
animals
✔✔5 physical hazards - ✔✔temperature
impact
vibration
radiation
noise
✔✔employers must inform employees about a hazard ______ and _______ - ✔✔when
first assigned
any time a new hazard is introduced
✔✔2 ways GHS change Haz Comm Standard - ✔✔labeling
SDS
✔✔3 ways to engineer out noise - ✔✔1. barriers
2. low noise machines/ lubricate machines
3. enclose source
, ✔✔employer ensure prompt medical attention by... (4) - ✔✔trained first aid person on
site
emergency contact #s
way to transport injured worker
Eye wash/ body wash station
✔✔4 unknown Demo hazards - ✔✔1. deviations from structure's designs during
construction
2. modifications
3. hidden materials
4. unknown strengths/ weaknesses of materials
✔✔purpose of conduction an engineering survey prior to demo (2) - ✔✔determine
structural conditions
possibility of unplanned collapses
✔✔competent person's responsibilities in demo work (2) - ✔✔survey
understand hazards
✔✔primary danger of confined space - ✔✔*hazardous atmospheres
other hazards:
unguarded machines
live wires
mazes
materials that can engulf worker
biological hazards (animals)
✔✔Oxygen deficient atmosphere hazards - ✔✔<19.5% oxygen
✔✔Flammable atmosphere hazards - ✔✔> 23% oxygen
✔✔Toxic atmosphere hazards (4) - ✔✔methane
carbon dioxide
carbon monoxide
hydrogen sulfide
✔✔3 causes of asphyxiation fatalities in confined spaces - ✔✔entrapment
engulfment
toxic atmospheres
✔✔contaminants present in welding fumes (2) - ✔✔metal fumes:
(Al, antimony, Arsenic, berylium, cadmium, chromium, cobalt, Cu, Fe, Pb, maganese,
molybdenum, nickel, silver, tin, titanium, vanadium, zinc)
AND SOLUTIONS RATED A+
✔✔restricted rear view requirements (2) - ✔✔audible reverse signal alarm
observer to signal that its safe to back up
✔✔parking precautions for PITs (3) - ✔✔parking break set
wheels chocked
location of equipment when parked at night next to highway
✔✔certified forklift operator training requirements (3) - ✔✔(training conducted by
knowledgable trained experienced person)
1. formal instruction (classroom)
2. practical
3. evaluation of performance (every 3 yrs)
✔✔Chemicals enter the body (4) - ✔✔inhalation
injection
ingestion
absorption
✔✔3 air contaminant hazards - ✔✔silica
asbestos
lead
✔✔3 biological hazards - ✔✔pathogens
poisonous plants
animals
✔✔5 physical hazards - ✔✔temperature
impact
vibration
radiation
noise
✔✔employers must inform employees about a hazard ______ and _______ - ✔✔when
first assigned
any time a new hazard is introduced
✔✔2 ways GHS change Haz Comm Standard - ✔✔labeling
SDS
✔✔3 ways to engineer out noise - ✔✔1. barriers
2. low noise machines/ lubricate machines
3. enclose source
, ✔✔employer ensure prompt medical attention by... (4) - ✔✔trained first aid person on
site
emergency contact #s
way to transport injured worker
Eye wash/ body wash station
✔✔4 unknown Demo hazards - ✔✔1. deviations from structure's designs during
construction
2. modifications
3. hidden materials
4. unknown strengths/ weaknesses of materials
✔✔purpose of conduction an engineering survey prior to demo (2) - ✔✔determine
structural conditions
possibility of unplanned collapses
✔✔competent person's responsibilities in demo work (2) - ✔✔survey
understand hazards
✔✔primary danger of confined space - ✔✔*hazardous atmospheres
other hazards:
unguarded machines
live wires
mazes
materials that can engulf worker
biological hazards (animals)
✔✔Oxygen deficient atmosphere hazards - ✔✔<19.5% oxygen
✔✔Flammable atmosphere hazards - ✔✔> 23% oxygen
✔✔Toxic atmosphere hazards (4) - ✔✔methane
carbon dioxide
carbon monoxide
hydrogen sulfide
✔✔3 causes of asphyxiation fatalities in confined spaces - ✔✔entrapment
engulfment
toxic atmospheres
✔✔contaminants present in welding fumes (2) - ✔✔metal fumes:
(Al, antimony, Arsenic, berylium, cadmium, chromium, cobalt, Cu, Fe, Pb, maganese,
molybdenum, nickel, silver, tin, titanium, vanadium, zinc)
