STSC (SAFETY TRAINED SUPERVISOR CONSTRUCTION) LATEST
2026 UPDATE FAST REVIWED FROM ACTUAL TEST 100 QUESTIONS
AND 100% VERIFIED ANSWERS| A+ GRADE Q&A | INSTANT
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(Questions are based on official STSC exam blueprint topics: Safety Program Implementation,
Hazard Identification & Control, Health Hazards & Industrial Hygiene, Emergency Preparedness
& Management, Leadership/Communication/Training)
1. What is the primary purpose of a safety program on a construction site?
A) To reduce project costs
B) To ensure workers complete tasks faster
C) To identify, control, and prevent hazards to protect workers’ health and safety
D) To increase paperwork
The purpose of a safety program is to proactively identify and control hazards to maintain a safe
work environment.
2. Before performing hot work like welding, what document is typically
required?
A) Work order
B) Hot work permit
C) Material Safety Data Sheet
D) Time sheet
Hot work permits control fire and explosion risks associated with cutting or welding.
3. A key factor in evaluating if a worker is fit for duty is:
A) Punctuality
B) Physical and mental ability to perform tasks safely
C) Years of experience
D) Overtime willingness
Fit-for-duty assessments ensure the worker can safely perform assigned tasks.
,4. During a safety inspection, a supervisor should:
A) Document hazards and recommend corrective actions
B) Inspect only known areas
C) Complete inspection quickly
D) Ignore “minor” hazards
Thorough documentation and corrective action planning is critical to hazard control.
5. What is the main hazard associated with trenching and excavation work?
A) Electrocution
B) Cave-ins or collapses
C) Falls from height
D) Chemical exposure
Cave-ins are a leading hazard in excavation environments without adequate protective systems.
6. The most common injuries related to operating cranes and heavy equipment
involve:
A) Hearing loss
B) Struck-by or caught-between incidents
C) Skin burns
D) Chemical exposure
Struck-by risks are prevalent around moving equipment and loads.
7. In the hierarchy of controls, which is the most effective?
A) Personal protective equipment
B) Administrative controls
C) Engineering controls
D) Elimination of the hazard
Eliminating the hazard entirely removes the risk at the source.
, 8. A supervisor observing unsafe behavior should:
A) Ignore to avoid conflict
B) Address it immediately and reinforce safe practices
C) Wait for the safety meeting
D) Only forward to management
Immediate correction promotes safer culture and prevents accidents.
9. What is an essential element of an incident investigation?
A) Assigning blame
B) Collecting evidence and determining root causes
C) Filing paperwork only
D) Ignoring contributing factors
Incident investigations focus on identifying root causes to prevent recurrence.
10. Effective safety communication involves:
A) Clear explanations of hazards and controls
B) Technical jargon only
C) Communicating only in meetings
D) Avoiding feedback
Clear communication ensures understanding among all stakeholders.
11. A basic safety training topic for workers should include:
A) Company history
B) Safe work practices and hazard recognition
C) Marketing strategies
D) Payroll procedures
Training should focus on hazard awareness and safe practices.
12. Promoting a safety culture means:
2026 UPDATE FAST REVIWED FROM ACTUAL TEST 100 QUESTIONS
AND 100% VERIFIED ANSWERS| A+ GRADE Q&A | INSTANT
DOWNLOAD PDF
(Questions are based on official STSC exam blueprint topics: Safety Program Implementation,
Hazard Identification & Control, Health Hazards & Industrial Hygiene, Emergency Preparedness
& Management, Leadership/Communication/Training)
1. What is the primary purpose of a safety program on a construction site?
A) To reduce project costs
B) To ensure workers complete tasks faster
C) To identify, control, and prevent hazards to protect workers’ health and safety
D) To increase paperwork
The purpose of a safety program is to proactively identify and control hazards to maintain a safe
work environment.
2. Before performing hot work like welding, what document is typically
required?
A) Work order
B) Hot work permit
C) Material Safety Data Sheet
D) Time sheet
Hot work permits control fire and explosion risks associated with cutting or welding.
3. A key factor in evaluating if a worker is fit for duty is:
A) Punctuality
B) Physical and mental ability to perform tasks safely
C) Years of experience
D) Overtime willingness
Fit-for-duty assessments ensure the worker can safely perform assigned tasks.
,4. During a safety inspection, a supervisor should:
A) Document hazards and recommend corrective actions
B) Inspect only known areas
C) Complete inspection quickly
D) Ignore “minor” hazards
Thorough documentation and corrective action planning is critical to hazard control.
5. What is the main hazard associated with trenching and excavation work?
A) Electrocution
B) Cave-ins or collapses
C) Falls from height
D) Chemical exposure
Cave-ins are a leading hazard in excavation environments without adequate protective systems.
6. The most common injuries related to operating cranes and heavy equipment
involve:
A) Hearing loss
B) Struck-by or caught-between incidents
C) Skin burns
D) Chemical exposure
Struck-by risks are prevalent around moving equipment and loads.
7. In the hierarchy of controls, which is the most effective?
A) Personal protective equipment
B) Administrative controls
C) Engineering controls
D) Elimination of the hazard
Eliminating the hazard entirely removes the risk at the source.
, 8. A supervisor observing unsafe behavior should:
A) Ignore to avoid conflict
B) Address it immediately and reinforce safe practices
C) Wait for the safety meeting
D) Only forward to management
Immediate correction promotes safer culture and prevents accidents.
9. What is an essential element of an incident investigation?
A) Assigning blame
B) Collecting evidence and determining root causes
C) Filing paperwork only
D) Ignoring contributing factors
Incident investigations focus on identifying root causes to prevent recurrence.
10. Effective safety communication involves:
A) Clear explanations of hazards and controls
B) Technical jargon only
C) Communicating only in meetings
D) Avoiding feedback
Clear communication ensures understanding among all stakeholders.
11. A basic safety training topic for workers should include:
A) Company history
B) Safe work practices and hazard recognition
C) Marketing strategies
D) Payroll procedures
Training should focus on hazard awareness and safe practices.
12. Promoting a safety culture means:
