Nevada Construction Site Safety
Supervisor Certification Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which of the following is the primary responsibility of a construction
site safety supervisor?
A. Maximizing productivity
B. Enforcing safety regulations and preventing hazards
C. Managing payroll
D. Ordering materials
B. Enforcing safety regulations and preventing hazards
The safety supervisor’s primary duty is to ensure compliance with
safety standards and proactively identify and control hazards to
protect workers.
2. What does OSHA stand for?
A. Occupational Safety and Hazard Administration
B. Occupational Safety and Health Administration
C. Office of Safety and Hazard Assessment
D. Organization for Safe Hazard Avoidance
B. Occupational Safety and Health Administration
OSHA is the federal agency responsible for enforcing workplace
safety and health regulations.
3. What is the first step in hazard control?
A. Personal protective equipment
B. Engineering controls
C. Hazard identification
, D. Administrative controls
C. Hazard identification
Identifying hazards is essential before implementing any control
measures to mitigate risks effectively.
4. Which type of control is most effective in the hierarchy of controls?
A. PPE
B. Administrative controls
C. Elimination
D. Warning signs
C. Elimination
Elimination removes the hazard entirely, making it the most effective
method of control.
5. What is the minimum safe distance from an excavation edge for heavy
equipment?
A. 1 foot
B. 2 feet
C. Equal to depth of excavation
D. 10 feet
C. Equal to depth of excavation
Keeping equipment at least the same distance as the depth prevents
collapse due to added pressure on excavation walls.
6. What is required before workers enter a confined space?
A. Safety meeting
B. Permit issuance
C. Supervisor approval only
D. PPE inspection
B. Permit issuance
Permit-required confined spaces must have documented
authorization verifying safety measures are in place.
7. What type of fire extinguisher is used for electrical fires?
A. Class A
B. Class B
C. Class C
D. Class D
C. Class C
, Class C extinguishers are designed for energized electrical equipment
fires.
8. What is the maximum allowable slope for Type C soil?
A. 1:1
B. 1.5:1
C. 2:1
D. 0.5:1
B. 1.5:1
Type C soil is the least stable, requiring a 1.5:1 slope for safety.
9. When must fall protection be provided in construction?
A. 4 feet
B. 5 feet
C. 6 feet
D. 10 feet
C. 6 feet
OSHA requires fall protection at heights of 6 feet or more in
construction.
10. What is the purpose of a Job Safety Analysis (JSA)?
A. To assign tasks
B. To analyze hazards and controls
C. To track productivity
D. To manage time
B. To analyze hazards and controls
A JSA breaks down tasks to identify hazards and determine
appropriate safety measures.
11. Which PPE protects against head injuries?
A. Safety glasses
B. Hard hat
C. Gloves
D. Boots
B. Hard hat
Hard hats protect against impact and falling objects.
12. What is the primary hazard of silica dust exposure?
A. Burns
B. Silicosis
Supervisor Certification Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. Which of the following is the primary responsibility of a construction
site safety supervisor?
A. Maximizing productivity
B. Enforcing safety regulations and preventing hazards
C. Managing payroll
D. Ordering materials
B. Enforcing safety regulations and preventing hazards
The safety supervisor’s primary duty is to ensure compliance with
safety standards and proactively identify and control hazards to
protect workers.
2. What does OSHA stand for?
A. Occupational Safety and Hazard Administration
B. Occupational Safety and Health Administration
C. Office of Safety and Hazard Assessment
D. Organization for Safe Hazard Avoidance
B. Occupational Safety and Health Administration
OSHA is the federal agency responsible for enforcing workplace
safety and health regulations.
3. What is the first step in hazard control?
A. Personal protective equipment
B. Engineering controls
C. Hazard identification
, D. Administrative controls
C. Hazard identification
Identifying hazards is essential before implementing any control
measures to mitigate risks effectively.
4. Which type of control is most effective in the hierarchy of controls?
A. PPE
B. Administrative controls
C. Elimination
D. Warning signs
C. Elimination
Elimination removes the hazard entirely, making it the most effective
method of control.
5. What is the minimum safe distance from an excavation edge for heavy
equipment?
A. 1 foot
B. 2 feet
C. Equal to depth of excavation
D. 10 feet
C. Equal to depth of excavation
Keeping equipment at least the same distance as the depth prevents
collapse due to added pressure on excavation walls.
6. What is required before workers enter a confined space?
A. Safety meeting
B. Permit issuance
C. Supervisor approval only
D. PPE inspection
B. Permit issuance
Permit-required confined spaces must have documented
authorization verifying safety measures are in place.
7. What type of fire extinguisher is used for electrical fires?
A. Class A
B. Class B
C. Class C
D. Class D
C. Class C
, Class C extinguishers are designed for energized electrical equipment
fires.
8. What is the maximum allowable slope for Type C soil?
A. 1:1
B. 1.5:1
C. 2:1
D. 0.5:1
B. 1.5:1
Type C soil is the least stable, requiring a 1.5:1 slope for safety.
9. When must fall protection be provided in construction?
A. 4 feet
B. 5 feet
C. 6 feet
D. 10 feet
C. 6 feet
OSHA requires fall protection at heights of 6 feet or more in
construction.
10. What is the purpose of a Job Safety Analysis (JSA)?
A. To assign tasks
B. To analyze hazards and controls
C. To track productivity
D. To manage time
B. To analyze hazards and controls
A JSA breaks down tasks to identify hazards and determine
appropriate safety measures.
11. Which PPE protects against head injuries?
A. Safety glasses
B. Hard hat
C. Gloves
D. Boots
B. Hard hat
Hard hats protect against impact and falling objects.
12. What is the primary hazard of silica dust exposure?
A. Burns
B. Silicosis
