Contractor / Supervisor (CSS) Practice
Exam Questions With Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of a site safety plan on a
construction project?
A. To increase project profit margins
B. To outline safety procedures and reduce workplace hazards
C. To schedule subcontractor payments
D. To design building layouts
Answer: B
Rationale: A site safety plan is designed to identify hazards,
establish control measures, and ensure worker safety on
construction sites.
2. Which of the following is the first step in risk management?
A. Risk control
B. Risk assessment
C. Hazard identification
D. Risk transfer
,Answer: C
Rationale: Hazard identification is the foundational step
because risks cannot be assessed or controlled until hazards
are first recognized.
3. What does PPE stand for?
A. Personal Protective Equipment
B. Primary Protective Engineering
C. Protective Project Equipment
D. Public Protection Entity
Answer: A
Rationale: PPE refers to personal protective equipment used to
protect workers from injury or illness.
4. Which PPE is required when working with flying debris?
A. Safety boots
B. Ear plugs
C. Safety goggles
D. High-visibility vest
Answer: C
Rationale: Safety goggles protect the eyes from flying particles
and debris.
,5. What is the main role of a construction supervisor?
A. Designing structural plans
B. Managing financial audits
C. Ensuring work is completed safely and according to
specifications
D. Approving building permits
Answer: C
Rationale: Supervisors ensure work is executed safely,
efficiently, and according to project requirements.
6. A near miss is best described as:
A. An accident causing injury
B. A planned safety drill
C. An event that could have caused injury or damage but did
not
D. A completed risk assessment
Answer: C
Rationale: A near miss is an unplanned event that did not
result in injury but had the potential to do so.
7. Which fire extinguisher is suitable for electrical fires?
, A. Water
B. Foam
C. Carbon dioxide (CO₂)
D. Wet chemical
Answer: C
Rationale: CO₂ extinguishers are safe for electrical fires
because they do not conduct electricity.
8. What does a toolbox talk refer to?
A. A tool inspection report
B. A short safety meeting before work begins
C. A maintenance checklist
D. A construction blueprint
Answer: B
Rationale: Toolbox talks are brief safety discussions held
before starting work to address hazards.
9. Who is responsible for enforcing safety rules on site?
A. Only the client
B. Only workers
C. Supervisors and management
D. Only government inspectors
Exam Questions With Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of a site safety plan on a
construction project?
A. To increase project profit margins
B. To outline safety procedures and reduce workplace hazards
C. To schedule subcontractor payments
D. To design building layouts
Answer: B
Rationale: A site safety plan is designed to identify hazards,
establish control measures, and ensure worker safety on
construction sites.
2. Which of the following is the first step in risk management?
A. Risk control
B. Risk assessment
C. Hazard identification
D. Risk transfer
,Answer: C
Rationale: Hazard identification is the foundational step
because risks cannot be assessed or controlled until hazards
are first recognized.
3. What does PPE stand for?
A. Personal Protective Equipment
B. Primary Protective Engineering
C. Protective Project Equipment
D. Public Protection Entity
Answer: A
Rationale: PPE refers to personal protective equipment used to
protect workers from injury or illness.
4. Which PPE is required when working with flying debris?
A. Safety boots
B. Ear plugs
C. Safety goggles
D. High-visibility vest
Answer: C
Rationale: Safety goggles protect the eyes from flying particles
and debris.
,5. What is the main role of a construction supervisor?
A. Designing structural plans
B. Managing financial audits
C. Ensuring work is completed safely and according to
specifications
D. Approving building permits
Answer: C
Rationale: Supervisors ensure work is executed safely,
efficiently, and according to project requirements.
6. A near miss is best described as:
A. An accident causing injury
B. A planned safety drill
C. An event that could have caused injury or damage but did
not
D. A completed risk assessment
Answer: C
Rationale: A near miss is an unplanned event that did not
result in injury but had the potential to do so.
7. Which fire extinguisher is suitable for electrical fires?
, A. Water
B. Foam
C. Carbon dioxide (CO₂)
D. Wet chemical
Answer: C
Rationale: CO₂ extinguishers are safe for electrical fires
because they do not conduct electricity.
8. What does a toolbox talk refer to?
A. A tool inspection report
B. A short safety meeting before work begins
C. A maintenance checklist
D. A construction blueprint
Answer: B
Rationale: Toolbox talks are brief safety discussions held
before starting work to address hazards.
9. Who is responsible for enforcing safety rules on site?
A. Only the client
B. Only workers
C. Supervisors and management
D. Only government inspectors
