Texas Construction Safety Officer Practice
Exam Questions And Correct Answers
(Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
1. What is the purpose of a job hazard analysis (JHA)?
To identify potential hazards before work begins
Helps plan controls for each step to prevent incidents.
2. When must a Safety Data Sheet (SDS) be available on site?
Whenever hazardous materials are present
Employees must access chemical hazard info at any time such
materials are used.
3. What minimum clearance from power lines (<50 kV) is required for
scaffolding?
10 feet
OSHA mandates this distance to reduce electrocution risk.
,4. Which class of fire extinguisher is used for electrical fires?
Class C
Designed for energized equipment; other classes may conduct
electricity.
5. What document outlines safety practices and emergency procedures
for a jobsite?
Site Safety Plan
Serves as roadmap for hazard controls and emergency response.
6. Which hazard causes the most fatalities in construction?
Falls
Falls are the leading cause of death on construction sites per OSHA.
7. What signals a proactive safety performance indicator?
Safety training completion rate
Leading indicators are proactive measures, not outcomes.
8. What does PPE stand for?
Personal Protective Equipment
Essential gear to reduce exposure to hazards.
9. What main disease is linked to silica dust exposure?
Silicosis
Chronic lung disease from inhaling respirable crystalline silica.
10. Who enforces safety rules on construction sites?
Everyone on site
, Safety responsibility is shared by all personnel, not just supervisors or
OSHA.
11. What is the first step in developing a safety program?
Conducting a site risk assessment
Identifies hazards and informs program needs.
12. What are OSHA’s "Focus Four" hazards?
Falls, struck-by, caught-in/between, and electrocution
The four most frequent causes of construction worker injury or death.
13. What type of hazard is a worker caught between a moving
vehicle and a wall?
Caught-in/between hazard
Represents one of the OSHA Focus Four categories.
14. When is fall protection typically required in construction?
At 6 feet or more
OSHA mandates fall protection starting at that height.
15. When should hard hats be replaced?
When damaged or impacted
Damage or impact can compromise protective capacity.
16. What height must ladders extend above a landing?
3 feet
Ensures safe access and stability when climbing on/off.
, 17. How should compressed gas cylinders be stored?
Upright and secured
Prevents tipping and potential rupture.
18. What is a toolbox talk used for?
Educate workers on specific hazards
Brief, targeted safety reminders at start of work.
19. What does a red tag on equipment typically mean?
Equipment is out of service or unsafe
Red indicates danger and prohibits use until corrected.
20. How far should flammable materials be stored from structures?
At least 5 feet
Maintains safe separation to reduce fire spread risk.
21. What does a Ground Fault Circuit Interrupter (GFCI) prevent?
Electrical shock
Shuts off power when imbalance indicates a fault.
22. What role does a harness play in fall arrest systems?
Distributes fall forces over the body
Reduces injury and keeps worker controlled when falling.
23. How should flammable liquids be disposed of?
According to the SDS and regulations
Follows proper environmental and safety procedures.
Exam Questions And Correct Answers
(Verified Answers) Plus Rationales
2025|2026 Q&A | Instant Download Pdf
1. What is the purpose of a job hazard analysis (JHA)?
To identify potential hazards before work begins
Helps plan controls for each step to prevent incidents.
2. When must a Safety Data Sheet (SDS) be available on site?
Whenever hazardous materials are present
Employees must access chemical hazard info at any time such
materials are used.
3. What minimum clearance from power lines (<50 kV) is required for
scaffolding?
10 feet
OSHA mandates this distance to reduce electrocution risk.
,4. Which class of fire extinguisher is used for electrical fires?
Class C
Designed for energized equipment; other classes may conduct
electricity.
5. What document outlines safety practices and emergency procedures
for a jobsite?
Site Safety Plan
Serves as roadmap for hazard controls and emergency response.
6. Which hazard causes the most fatalities in construction?
Falls
Falls are the leading cause of death on construction sites per OSHA.
7. What signals a proactive safety performance indicator?
Safety training completion rate
Leading indicators are proactive measures, not outcomes.
8. What does PPE stand for?
Personal Protective Equipment
Essential gear to reduce exposure to hazards.
9. What main disease is linked to silica dust exposure?
Silicosis
Chronic lung disease from inhaling respirable crystalline silica.
10. Who enforces safety rules on construction sites?
Everyone on site
, Safety responsibility is shared by all personnel, not just supervisors or
OSHA.
11. What is the first step in developing a safety program?
Conducting a site risk assessment
Identifies hazards and informs program needs.
12. What are OSHA’s "Focus Four" hazards?
Falls, struck-by, caught-in/between, and electrocution
The four most frequent causes of construction worker injury or death.
13. What type of hazard is a worker caught between a moving
vehicle and a wall?
Caught-in/between hazard
Represents one of the OSHA Focus Four categories.
14. When is fall protection typically required in construction?
At 6 feet or more
OSHA mandates fall protection starting at that height.
15. When should hard hats be replaced?
When damaged or impacted
Damage or impact can compromise protective capacity.
16. What height must ladders extend above a landing?
3 feet
Ensures safe access and stability when climbing on/off.
, 17. How should compressed gas cylinders be stored?
Upright and secured
Prevents tipping and potential rupture.
18. What is a toolbox talk used for?
Educate workers on specific hazards
Brief, targeted safety reminders at start of work.
19. What does a red tag on equipment typically mean?
Equipment is out of service or unsafe
Red indicates danger and prohibits use until corrected.
20. How far should flammable materials be stored from structures?
At least 5 feet
Maintains safe separation to reduce fire spread risk.
21. What does a Ground Fault Circuit Interrupter (GFCI) prevent?
Electrical shock
Shuts off power when imbalance indicates a fault.
22. What role does a harness play in fall arrest systems?
Distributes fall forces over the body
Reduces injury and keeps worker controlled when falling.
23. How should flammable liquids be disposed of?
According to the SDS and regulations
Follows proper environmental and safety procedures.
