Free NEBOSH Certificate in Occupational Hygiene and Risk Control Exam Questions and Answers
NEBOSH Certificate in Occupational Hygiene and Risk Control is part of NEBOSH qualifications from NEBOSH, the National Examination Board in Occupational Safety and Health. NEBOSH qualifications are taught by accredited Learning Partners and marked by NEBOSH's own external examiners, with the General Certificate the standard entry qualification for health and safety roles.
The first 10 questions on this page are free to read, answers included — no account and no card. A plan opens the rest of the bank, the full timed practice test and your weak-topic reporting.
Last updated: September 10, 2026
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Question #1
1. What is the primary aim of occupational hygiene?
Please select an optionIncorrectCorrect answer: D
The primary aim of occupational hygiene is to assess and control risks related to health hazards in the workplace.
Was this answer correct?Question #2
2. Which of the following is NOT a method of exposure control?
Please select an optionIncorrectCorrect answer: B
Ignoring the problem is not a recognized method of exposure control and could lead to health risks.
Was this answer correct?Question #3
3. What does PPE stand for in occupational health?
Please select an optionIncorrectCorrect answer: C
PPE stands for Personal Protective Equipment, which is worn to minimize exposure to hazards.
Was this answer correct?Question #4
4. In risk assessment, what is the purpose of the 'likelihood' factor?
Please select an optionIncorrectCorrect answer: A
The 'likelihood' factor assesses how often a risk is likely to occur, which is essential for prioritizing control measures.
Was this answer correct?Question #5
5. Which chemical exposure can cause respiratory problems?
Please select an optionIncorrectCorrect answer: C
Asbestos exposure is known to cause serious respiratory issues, including lung diseases.
Was this answer correct?Question #6
6. An employee reports persistent headaches after exposure to cleaning chemicals. What should be the first step taken?
Please select an optionIncorrectCorrect answer: A
Conducting a workplace assessment helps identify potential exposures and address health concerns effectively.
Was this answer correct?Question #7
7. Which of the following is the most effective method of controlling dust exposure?
Please select an optionIncorrectCorrect answer: B
Installing ventilation systems can effectively reduce dust exposure at the source.
Was this answer correct?Question #8
8. In a laboratory, which of the following practices is essential for chemical safety?
Please select an optionIncorrectCorrect answer: C
Keeping the area clean is crucial for minimizing the risk of chemical spills and accidents.
Was this answer correct?Question #9
9. What is the purpose of a risk assessment in occupational hygiene?
Please select an optionIncorrectCorrect answer: A
A risk assessment aims to identify and control health risks to ensure a safe working environment.
Was this answer correct?Question #10
10. An organization decides to replace a harmful chemical with a safer alternative. What principle of control does this represent?
Please select an optionIncorrectCorrect answer: A
Substitution involves replacing a hazardous substance with a safer one to reduce risk.
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Other NEBOSH certifications
- NEBOSH Certificate in Workplace Health and Wellbeing (opens in a new tab)
- NEBOSH International General Certificate in Occupational Health and Safety (opens in a new tab)
- NEBOSH National Certificate in Oil and Gas Operational Safety (opens in a new tab)
- NEBOSH HSE Certificate in Ergonomics (opens in a new tab)
- NEBOSH National Diploma for Occupational Health and Safety Management Professionals (opens in a new tab)
- NEBOSH Environmental Management Certificate (opens in a new tab)
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FAQ
Learn More: https://www.nebosh.org.uk/
- Q1: What is the NEBOSH Certificate in Occupational Hygiene and Risk Control exam?
- A: NEBOSH Certificate in Occupational Hygiene and Risk Control is a NEBOSH certification exam. Judging by the questions in our bank, it concentrates on workplace, exposure, chemical, safety and occupational.
- Q2: What topics does the NEBOSH Certificate in Occupational Hygiene and Risk Control exam cover?
- A: Questions in our NEBOSH Certificate in Occupational Hygiene and Risk Control bank cluster around workplace, exposure, chemical, safety, occupational, hazard, hazardous and noise. Working through the full set is the quickest way to find which of these you are weakest on.
- Q3: How should I prepare for NEBOSH Certificate in Occupational Hygiene and Risk Control?
- A: Work through the NEBOSH Certificate in Occupational Hygiene and Risk Control practice questions here, checking your answer on each one, then sit the practice test to rehearse the exam under timed conditions before the real thing.
- Q4: Are these real NEBOSH Certificate in Occupational Hygiene and Risk Control exam questions?
- A: They are drawn from officially released past questions and from community members who have sat NEBOSH Certificate in Occupational Hygiene and Risk Control. Answers are verified and updated weekly.
- Q5: Where do I register for the NEBOSH Certificate in Occupational Hygiene and Risk Control exam?
- A: Register through NEBOSH directly at https://www.nebosh.org.uk/. Exampractice is not affiliated with NEBOSH and does not administer the exam.
- Q6: Is there a free NEBOSH Certificate in Occupational Hygiene and Risk Control sample?
- A: Yes. Every NEBOSH Certificate in Occupational Hygiene and Risk Control page shows a free sample of real questions. Upgrading opens the full bank and the practice test.