NEBOSH International Certificate in
Construction Health and Safety Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant Download Pdf
1. What is the primary purpose of a risk assessment on a
construction site?
A) To comply with company policy
B) To identify and control hazards to prevent harm
C) To increase productivity
D) To assign blame in case of an accident
B
Risk assessments are conducted to systematically identify hazards
and implement control measures, thereby reducing the likelihood
of accidents or harm. While compliance and productivity are
secondary benefits, prevention of harm is the primary purpose.
2. Which of the following is considered a physical hazard in
construction?
A) Noise
B) Stress
, C) Poor management
D) Workplace bullying
A
Physical hazards are environmental factors that can cause harm.
Noise is a physical hazard as prolonged exposure can lead to
hearing loss, while stress, poor management, and bullying are
psychosocial hazards.
3. Under the hierarchy of control, which measure should be
implemented first?
A) Personal protective equipment (PPE)
B) Elimination
C) Administrative controls
D) Substitution
B
The hierarchy of control prioritizes eliminating the hazard entirely
before considering less effective controls. PPE is the last resort,
used when other measures cannot adequately reduce risk.
4. What is the key legal framework that governs health and safety on
international construction sites?
A) OSHA 1970
B) ILO Conventions
, C) NEBOSH Guidelines
D) ISO 9001
B
The International Labour Organization (ILO) provides conventions
and recommendations to guide health and safety management
internationally. OSHA is U.S.-specific, NEBOSH provides
certification, and ISO 9001 is for quality management.
5. What type of hazard does asbestos present?
A) Chemical
B) Biological
C) Physical
D) Ergonomic
A
Asbestos is a chemical hazard because its fibers, when inhaled, can
cause serious diseases such as lung cancer and asbestosis. It is not
a biological, physical, or ergonomic hazard.
6. Which safety sign indicates mandatory actions on a construction
site?
A) Red circle
B) Blue circle
C) Yellow triangle
, D) Green rectangle
B
Blue circular signs indicate mandatory actions, such as "Wear hard
hats" or "Use hearing protection." Red indicates prohibition,
yellow warns of hazards, and green indicates safety equipment or
escape routes.
7. What is the main purpose of a toolbox talk?
A) To conduct formal inspections
B) To provide informal, short safety training to workers
C) To assign daily tasks
D) To evaluate employees
B
Toolbox talks are brief, informal sessions designed to raise
awareness about specific hazards and safe working practices on a
daily or weekly basis.
8. Which of the following is a common risk associated with working
at height?
A) Chemical burns
B) Falling from scaffolding
C) Hearing damage
D) Repetitive strain injury
Construction Health and Safety Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant Download Pdf
1. What is the primary purpose of a risk assessment on a
construction site?
A) To comply with company policy
B) To identify and control hazards to prevent harm
C) To increase productivity
D) To assign blame in case of an accident
B
Risk assessments are conducted to systematically identify hazards
and implement control measures, thereby reducing the likelihood
of accidents or harm. While compliance and productivity are
secondary benefits, prevention of harm is the primary purpose.
2. Which of the following is considered a physical hazard in
construction?
A) Noise
B) Stress
, C) Poor management
D) Workplace bullying
A
Physical hazards are environmental factors that can cause harm.
Noise is a physical hazard as prolonged exposure can lead to
hearing loss, while stress, poor management, and bullying are
psychosocial hazards.
3. Under the hierarchy of control, which measure should be
implemented first?
A) Personal protective equipment (PPE)
B) Elimination
C) Administrative controls
D) Substitution
B
The hierarchy of control prioritizes eliminating the hazard entirely
before considering less effective controls. PPE is the last resort,
used when other measures cannot adequately reduce risk.
4. What is the key legal framework that governs health and safety on
international construction sites?
A) OSHA 1970
B) ILO Conventions
, C) NEBOSH Guidelines
D) ISO 9001
B
The International Labour Organization (ILO) provides conventions
and recommendations to guide health and safety management
internationally. OSHA is U.S.-specific, NEBOSH provides
certification, and ISO 9001 is for quality management.
5. What type of hazard does asbestos present?
A) Chemical
B) Biological
C) Physical
D) Ergonomic
A
Asbestos is a chemical hazard because its fibers, when inhaled, can
cause serious diseases such as lung cancer and asbestosis. It is not
a biological, physical, or ergonomic hazard.
6. Which safety sign indicates mandatory actions on a construction
site?
A) Red circle
B) Blue circle
C) Yellow triangle
, D) Green rectangle
B
Blue circular signs indicate mandatory actions, such as "Wear hard
hats" or "Use hearing protection." Red indicates prohibition,
yellow warns of hazards, and green indicates safety equipment or
escape routes.
7. What is the main purpose of a toolbox talk?
A) To conduct formal inspections
B) To provide informal, short safety training to workers
C) To assign daily tasks
D) To evaluate employees
B
Toolbox talks are brief, informal sessions designed to raise
awareness about specific hazards and safe working practices on a
daily or weekly basis.
8. Which of the following is a common risk associated with working
at height?
A) Chemical burns
B) Falling from scaffolding
C) Hearing damage
D) Repetitive strain injury
