NEBOSH National 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 insurance requirements
B. To identify hazards and control measures
C. To train workers in general safety procedures
D. To schedule work activities
B. To identify hazards and control measures
Rationale: A risk assessment systematically identifies hazards, evaluates
the risk associated with them, and implements control measures to
reduce harm. Compliance or training may result from the assessment
but are secondary purposes.
2. Which of the following is a “hazard” in construction?
A. Safety signs
B. Moving plant equipment
, C. PPE
D. Risk assessments
B. Moving plant equipment
Rationale: A hazard is anything with the potential to cause harm.
Moving machinery, such as excavators or cranes, can cause injury if not
properly controlled.
3. The “Hierarchy of Control” prioritizes which type of actions?
A. Administrative procedures
B. Control measures to reduce risks
C. Worker compensation
D. Site inspections
B. Control measures to reduce risks
Rationale: The hierarchy of control ranks risk mitigation measures from
most to least effective: elimination, substitution, engineering controls,
administrative controls, and PPE.
4. Which regulatory framework underpins health and safety law in
the UK?
A. Construction (Design and Management) Regulations 2015
B. Health and Safety at Work Act 1974
C. Control of Substances Hazardous to Health Regulations 2002
D. Personal Protective Equipment at Work Regulations 1992
,B. Health and Safety at Work Act 1974
Rationale: The Health and Safety at Work Act 1974 is the primary
legislation for workplace health and safety in the UK, providing a legal
framework and duties for employers and employees.
5. Who has overall responsibility for health and safety on a
construction site?
A. Site supervisor
B. Construction workers
C. Principal contractor
D. Health and Safety Executive inspector
C. Principal contractor
Rationale: The principal contractor has overall responsibility for
managing site safety and coordinating risk management measures
among subcontractors, as required by CDM Regulations.
6. Which of the following is an example of a physical hazard?
A. Manual handling
B. Noise
C. Stress
D. Fatigue
, B. Noise
Rationale: Physical hazards arise from environmental conditions or
factors such as noise, vibration, radiation, or extreme temperatures.
7. Which duty falls under an employer’s responsibilities according to
the Health and Safety at Work Act?
A. Reporting accidents to the police
B. Ensuring the health, safety, and welfare of employees
C. Conducting financial audits
D. Designing construction plans
B. Ensuring the health, safety, and welfare of employees
Rationale: Employers are legally required to provide a safe workplace,
safe systems of work, and training to reduce risks to employees.
8. Which of the following is a primary source of safety guidance in
construction?
A. BS OHSAS 18001
B. Construction (Design and Management) Regulations 2015
C. Building Control Regulations
D. ISO 9001
B. Construction (Design and Management) Regulations 2015
Rationale: CDM 2015 regulations provide practical guidance for
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 insurance requirements
B. To identify hazards and control measures
C. To train workers in general safety procedures
D. To schedule work activities
B. To identify hazards and control measures
Rationale: A risk assessment systematically identifies hazards, evaluates
the risk associated with them, and implements control measures to
reduce harm. Compliance or training may result from the assessment
but are secondary purposes.
2. Which of the following is a “hazard” in construction?
A. Safety signs
B. Moving plant equipment
, C. PPE
D. Risk assessments
B. Moving plant equipment
Rationale: A hazard is anything with the potential to cause harm.
Moving machinery, such as excavators or cranes, can cause injury if not
properly controlled.
3. The “Hierarchy of Control” prioritizes which type of actions?
A. Administrative procedures
B. Control measures to reduce risks
C. Worker compensation
D. Site inspections
B. Control measures to reduce risks
Rationale: The hierarchy of control ranks risk mitigation measures from
most to least effective: elimination, substitution, engineering controls,
administrative controls, and PPE.
4. Which regulatory framework underpins health and safety law in
the UK?
A. Construction (Design and Management) Regulations 2015
B. Health and Safety at Work Act 1974
C. Control of Substances Hazardous to Health Regulations 2002
D. Personal Protective Equipment at Work Regulations 1992
,B. Health and Safety at Work Act 1974
Rationale: The Health and Safety at Work Act 1974 is the primary
legislation for workplace health and safety in the UK, providing a legal
framework and duties for employers and employees.
5. Who has overall responsibility for health and safety on a
construction site?
A. Site supervisor
B. Construction workers
C. Principal contractor
D. Health and Safety Executive inspector
C. Principal contractor
Rationale: The principal contractor has overall responsibility for
managing site safety and coordinating risk management measures
among subcontractors, as required by CDM Regulations.
6. Which of the following is an example of a physical hazard?
A. Manual handling
B. Noise
C. Stress
D. Fatigue
, B. Noise
Rationale: Physical hazards arise from environmental conditions or
factors such as noise, vibration, radiation, or extreme temperatures.
7. Which duty falls under an employer’s responsibilities according to
the Health and Safety at Work Act?
A. Reporting accidents to the police
B. Ensuring the health, safety, and welfare of employees
C. Conducting financial audits
D. Designing construction plans
B. Ensuring the health, safety, and welfare of employees
Rationale: Employers are legally required to provide a safe workplace,
safe systems of work, and training to reduce risks to employees.
8. Which of the following is a primary source of safety guidance in
construction?
A. BS OHSAS 18001
B. Construction (Design and Management) Regulations 2015
C. Building Control Regulations
D. ISO 9001
B. Construction (Design and Management) Regulations 2015
Rationale: CDM 2015 regulations provide practical guidance for
