OSHA 30 PRACTICE EXAM QUESTIONS
AND DETAILED SOLUTIONS 2026
▶ What height do you have to have railing on stairs. Answer: 42 inches or
4th step
▶ What does the investigator need to find out. Answer: The root cause
▶ What is an accident where no one is hurt. Answer: Near Miss
▶ What is the number of fire extinguishers needed on a 5 story building
with 1000 sq ft floors. Answer: 5
▶ Where does a company meet for accountability when exiting. Answer:
Accountability Space
▶ Acceptable 02 content of a confined space. Answer: 19.5 - 22.5
▶ What is the documents that defines the SOP. Answer: EAP
▶ Shock symptoms. Answer: o Face is red, raise the head
o Face is pale, raise the tale (feet)
o Difficulty breathing, use semi-sit up position
, ▶ Signs and Symptoms of Hypertension. Answer: headache, high blood
pressure, low blood sugar
▶ Fire Tetrahedron. Answer: Oxygen, Fuel, Temperature, Chain Reaction
▶ Classifications of fires. Answer: o A - trash, ash, paper, etc.
o B - Boiling liquids
o C - CO2 for Electrical currents
o D - Copper based for metals
o K - Kitchen Grease fires
o Halen only used by Military because it stays in the Ozone
▶ SF needed for fire extinguishers. Answer: 1 per 3000 SF per floor)
▶ SDS Section Numbers (Part 1). Answer: ID Identification
▶ SDS Section Numbers (Part 2). Answer: Hazard ID
▶ SDS Section Numbers (Part 4). Answer: First Aid
▶ SDS Section Numbers (Part 5). Answer: Fire fighting
AND DETAILED SOLUTIONS 2026
▶ What height do you have to have railing on stairs. Answer: 42 inches or
4th step
▶ What does the investigator need to find out. Answer: The root cause
▶ What is an accident where no one is hurt. Answer: Near Miss
▶ What is the number of fire extinguishers needed on a 5 story building
with 1000 sq ft floors. Answer: 5
▶ Where does a company meet for accountability when exiting. Answer:
Accountability Space
▶ Acceptable 02 content of a confined space. Answer: 19.5 - 22.5
▶ What is the documents that defines the SOP. Answer: EAP
▶ Shock symptoms. Answer: o Face is red, raise the head
o Face is pale, raise the tale (feet)
o Difficulty breathing, use semi-sit up position
, ▶ Signs and Symptoms of Hypertension. Answer: headache, high blood
pressure, low blood sugar
▶ Fire Tetrahedron. Answer: Oxygen, Fuel, Temperature, Chain Reaction
▶ Classifications of fires. Answer: o A - trash, ash, paper, etc.
o B - Boiling liquids
o C - CO2 for Electrical currents
o D - Copper based for metals
o K - Kitchen Grease fires
o Halen only used by Military because it stays in the Ozone
▶ SF needed for fire extinguishers. Answer: 1 per 3000 SF per floor)
▶ SDS Section Numbers (Part 1). Answer: ID Identification
▶ SDS Section Numbers (Part 2). Answer: Hazard ID
▶ SDS Section Numbers (Part 4). Answer: First Aid
▶ SDS Section Numbers (Part 5). Answer: Fire fighting