
30 NEBOSH IGC Interview Questions & Answers (2025)
Introduction
Preparing for a NEBOSH International General Certificate (IGC) interview can be challenging, especially if you’re unsure about the types of questions employers may ask. The NEBOSH IGC is a globally recognized health and safety qualification, and employers often test candidates on their technical knowledge, practical application, and problem-solving skills.
This guide provides 30 common NEBOSH IGC interview questions along with detailed answers to help you succeed in your 2025 job interviews. Whether you’re a fresh candidate or an experienced professional, these questions will help you demonstrate your expertise in occupational health and safety.
30 NEBOSH IGC Interview Questions & Answers
1. What is the purpose of a risk assessment?
Answer: A risk assessment identifies hazards, evaluates risks, and implements control measures to prevent workplace injuries and illnesses. It ensures compliance with legal requirements and promotes a safe working environment.
2. Explain the hierarchy of controls.
Answer: The hierarchy of controls prioritizes risk control measures in this order:
- Elimination (removing the hazard)
- Substitution (replacing with a safer alternative)
- Engineering controls (isolating people from the hazard)
- Administrative controls (changing work procedures)
- PPE (personal protective equipment, the last line of defense)
3. What is the difference between a hazard and a risk?
Answer:
- Hazard: A potential source of harm (e.g., chemicals, electricity).
- Risk: The likelihood and severity of harm occurring due to exposure to the hazard.
4. What are the key elements of a health and safety management system (HSMS)?
Answer: The key elements are based on Plan-Do-Check-Act (PDCA):
- Policy (commitment to safety)
- Organizing (roles and responsibilities)
- Planning & Implementation (risk assessments, controls)
- Measuring Performance (inspections, audits)
- Review & Improvement (continuous enhancement)
5. How would you investigate a workplace accident?
Answer: Steps include:
- Securing the scene
- Gathering evidence (photos, witness statements)
- Identifying root causes (using methods like 5 Whys or Fishbone Diagram)
- Recommending corrective actions
- Reporting findings to prevent recurrence
6. What is a permit-to-work system?
Answer: A formal written system to control high-risk activities (e.g., hot work, confined space entry). It ensures hazards are identified, precautions are taken, and only authorized personnel perform the task.
7. What are the common causes of workplace fires?
Answer:
- Electrical faults
- Flammable materials
- Poor housekeeping
- Hot work (welding, grinding)
- Arson
8. How can ergonomic hazards be reduced in an office?
Answer:
- Adjustable chairs and desks
- Proper monitor height and keyboard positioning
- Regular breaks to avoid repetitive strain
- Training on correct posture
9. What is the role of a safety representative?
Answer: A safety representative promotes workplace safety by:
- Inspecting work areas
- Raising concerns with management
- Participating in risk assessments
- Encouraging safe practices among workers
10. What are the requirements for manual handling safety?
Answer:
- Avoid lifting heavy loads if possible
- Use mechanical aids (trolleys, forklifts)
- Train workers in proper lifting techniques
- Assess risks before manual handling tasks
11. What is the significance of a safety culture?
Answer: A strong safety culture means employees prioritize safety, follow procedures, and report hazards without fear. It reduces accidents and improves compliance.
12. How do you ensure contractor safety?
Answer:
- Pre-qualification checks
- Clear safety expectations in contracts
- Site inductions
- Regular monitoring and audits
13. What is the purpose of a COSHH assessment?
Answer: A Control of Substances Hazardous to Health (COSHH) assessment identifies hazardous substances, evaluates exposure risks, and implements controls (e.g., ventilation, PPE).
14. What are the types of fire extinguishers and their uses?
Answer:
- Water (Red) – Class A fires (wood, paper)
- Foam (Cream) – Class A & B (flammable liquids)
- CO₂ (Black) – Electrical & Class B fires
- Dry Powder (Blue) – Class A, B, C, & electrical
- Wet Chemical (Yellow) – Class F (cooking oils)
15. What is the legal framework for workplace safety in your country?
Answer: (Example for UK)
- Health and Safety at Work Act 1974 (HSWA)
- Management of Health and Safety at Work Regulations 1999
- Workplace (Health, Safety and Welfare) Regulations 1992
16. How do you conduct a fire risk assessment?
Answer:
- Identify fire hazards (sources of ignition, fuel, oxygen).
- Determine who is at risk.
- Evaluate and remove/reduce risks.
- Record findings and implement controls.
- Review and update regularly.
17. What is the difference between proactive and reactive monitoring?
Answer:
- Proactive: Prevents incidents (inspections, audits, training).
- Reactive: Responds to incidents (accident investigations, near-miss reports).
18. How would you handle an employee refusing to wear PPE?
Answer:
- Explain the risks and legal requirements.
- Provide comfortable and suitable PPE.
- Enforce disciplinary action if non-compliance continues.
19. What is a near-miss, and why is it important to report?
Answer: A near-miss is an unplanned event that could have caused harm. Reporting helps prevent future accidents by addressing hazards early.
20. What are the key responsibilities of employers under health and safety laws?
Answer:
- Provide a safe workplace
- Conduct risk assessments
- Offer training and PPE
- Report major incidents
21. What is the role of the Health and Safety Executive (HSE) or equivalent in your country?
Answer:
The HSE (UK) or equivalent regulatory body enforces workplace health and safety laws. Their functions include:
- Conducting inspections
- Investigating workplace accidents
- Providing guidance and training
- Prosecuting non-compliant organizations
(For other countries, mention the relevant authority, such as OSHA in the U.S., CCOHS in Canada, etc.)
22. How would you ensure safety in a confined space?
Answer:
- Conduct a risk assessment before entry
- Use a permit-to-work system
- Ensure ventilation and gas monitoring
- Provide PPE (harnesses, respirators)
- Train workers and have emergency rescue plans
23. What are the common causes of slips, trips, and falls?
Answer:
- Wet or uneven floors
- Poor lighting
- Obstructed walkways
- Loose cables or mats
- Inappropriate footwear
24. What is the importance of a safety induction for new employees?
Answer: A safety induction:
- Introduces workplace hazards and controls
- Explains emergency procedures
- Familiarizes employees with PPE requirements
- Ensures legal compliance and reduces accident risks
25. How do you promote mental health in the workplace?
Answer:
- Encourage open communication about stress
- Provide mental health training for managers
- Offer Employee Assistance Programs (EAPs)
- Promote work-life balance (flexible hours, breaks)
26. What is RIDDOR, and when should you report under it?
Answer:
RIDDOR (Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 2013 – UK) requires reporting:
- Fatalities
- Major injuries (e.g., fractures, amputations)
- 7+ day incapacitation
- Occupational diseases (e.g., carpal tunnel, asthma)
- Dangerous occurrences (near-misses with high risk)
(Adjust for local reporting regulations if outside the UK.)
27. How do you handle chemical spillages safely?
Answer:
- Isolate the area and evacuate if necessary
- Wear appropriate PPE (gloves, goggles, respirator)
- Use spill kits (absorbents, neutralizers)
- Dispose of waste following hazardous waste regulations
- Report and review to prevent recurrence
28. What are the key components of an emergency evacuation plan?
Answer:
- Clearly marked escape routes and exits
- Assembly points away from danger
- Fire alarms and emergency lighting
- Trained fire wardens
- Regular drills and updates
29. How do you assess noise risks in the workplace?
Answer:
- Conduct noise level measurements (using a sound meter)
- Identify workers exposed to >80 dB (Lower Exposure Action Value)
- Implement controls (engineering – soundproofing; administrative – job rotation)
- Provide hearing protection (earplugs, earmuffs) if >85 dB
- Conduct health surveillance (hearing tests)
30. How do you stay updated with health and safety regulations?
Answer:
- Attending industry seminars
- Subscribing to HSE newsletters
- Joining professional bodies (IOSH, NEBOSH)
- Reviewing legal updates
Conclusion
Preparing for a NEBOSH IGC interview requires a strong understanding of health and safety principles, risk management, and legal compliance. By reviewing these 30 NEBOSH IGC interview questions and answers, you’ll be better equipped to showcase your expertise and secure your desired role in occupational health and safety.
Always tailor your responses to the specific job role and company, demonstrating how you can contribute to a safer workplace. Good luck with your interview!
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FAQs
What is the pass mark for NEBOSH IGC?
The pass mark for the NEBOSH IGC written exam is 45% for each unit (IG1 and IG2).
How long is the NEBOSH IGC valid?
The NEBOSH IGC does not expire, but some employers may require refresher training after 3-5 years.
Can I take NEBOSH IGC online?
Yes, many accredited providers offer online or distance learning options for NEBOSH IGC.
What jobs can I get with a NEBOSH IGC?
Common roles include:
- Health & Safety Officer
- Site Supervisor
- Risk Assessor
- Safety Consultant
How difficult is the NEBOSH IGC exam?
It requires dedicated study, but with proper preparation, most candidates pass. Practical application is key.