Workplace Hazards
25 free practice questions with explanations
PassNova has 25 free NEBOSH General Certificate practice questions on Workplace Hazards, each with a clear explanation. Practise them in the browser with instant feedback — 100% free, no sign-up, on any device. Updated for 2026.
Workplace Hazards: example questions & answers
12 worked examples with answers and explanations below. Practise all 25 Workplace Hazards questions free in the browser, with instant feedback on every answer.
What is 'noise' as a workplace hazard?
- ASound above 85dB(A) that can damage hearing or cause health effects✓
- BAny unwanted sound
- COnly loud machinery
- DOnly at night
Answer: Workplace noise above 85dB(A) can cause hearing damage; protection is required above this level.
What is the legal exposure action value (EAV) for noise in the UK?
- A85dB(A) daily (or 87dB peak)✓
- B80dB(A)
- C90dB(A)
- D75dB(A)
Answer: The Exposure Action Value is 85dB(A) averaged over 8 hours; employers must implement control measures.
What is 'hand-arm vibration syndrome' (HAVS)?
- AA condition caused by prolonged exposure to vibration from handheld tools, causing numbness and reduced grip✓
- BNormal response to using tools
- CA type of training
- DEquipment maintenance issue
Answer: HAVS is an occupational disease caused by prolonged exposure to vibration from handheld power tools.
What is 'whole-body vibration' (WBV) exposure?
- AExposure to vibration transmitted through the body via seats or platforms (vehicle drivers, plant operators)✓
- BUse of power tools by individuals
- CWorking near machinery
- DNoise and vibration combined
Answer: WBV exposure occurs in drivers, plant operators and others who work on vibrating platforms or vehicles.
What does 'DSE' stand for?
- ADisplay Screen Equipment (computers, monitors, keyboards)✓
- BDigital Safety Equipment
- CDangerous Safety Exposure
- DDesign Safety Engineering
Answer: DSE means Display Screen Equipment (screens, keyboards, mice); regulations apply to users working daily with these.
What health effects can result from poor DSE workstation design?
- AUpper limb disorders, eyestrain, fatigue, back pain, headaches✓
- BOnly temporary eye tiredness
- COnly minor posture issues
- DNo health effects
Answer: Poor DSE ergonomics can cause musculoskeletal disorders, repetitive strain injury and eyestrain.
What are the requirements for DSE workstation ergonomics?
- AScreen at eye level, chair height adjustable, keyboard at elbow height, breaks every hour, eye tests provided✓
- BAny desk and chair are acceptable
- COnly standing workstations
- DNo specific requirements
Answer: DSE regulations require suitable furniture, positioning, lighting, and regular breaks to prevent health effects.
What is 'manual handling'?
- ATransporting objects by hand or bodily force (lifting, lowering, pushing, pulling, carrying)✓
- BUsing machinery to move items
- COperating powered equipment
- DCarrying documents or files
Answer: Manual handling includes any movement by hand or body force, including lifting, carrying, pushing and pulling.
What injuries can result from poor manual handling?
- ABack injuries, sprains, repetitive strain injury, hernias, acute injuries✓
- BOnly minor cuts
- COnly visible bruises
- DNo significant injuries
Answer: Manual handling hazards include back injuries (the most common), sprains, muscle strains and long-term musculoskeletal disorders.
What is the Manual Handling Operations Regulations (MHOR) approach?
- AAvoid manual handling if possible; if necessary, assess risk and implement controls✓
- BAllow unlimited manual handling with PPE
- CRequire mechanical help for all lifting
- DOnly apply to construction workers
Answer: MHOR requires employers to avoid unnecessary manual handling and assess and control risks from unavoidable handling.
What are 'hazardous substances'?
- AChemicals, dusts and biological agents with the potential to cause health effects✓
- BOnly toxic chemicals
- COnly flammable liquids
- DInert substances only
Answer: Hazardous substances include chemicals, dust, biologicals and other agents that can damage health.
What is COSHH assessment used for?
- ATo identify hazardous substances, assess exposure and implement control measures✓
- BTo document all chemicals only
- CTo provide first aid
- DTo determine pay rates
Answer: COSHH assessment is the systematic process for managing risks from hazardous substances at work.