NEBOSH practice questions and answers 2026. Tap an option to test yourself — you'll see the correct answer and a plain-English explanation for every question. Free, no login.
Q11What standard of upkeep is required for toilet facilities provided in the workplace?
✓ Correct answer: A. Maintained in a clean condition and adequately lit
Workplace toilet facilities must be kept clean and properly lit at all times to preserve employee health, dignity, and welfare. Why the other options are incorrect: • Kept permanently locked: Keeping toilets permanently locked prevents workers from accessing essential sanitary facilities. • Reserved for the use of supervisory staff only: Reserving toilet facilities solely for supervisors denies other employees a fundamental welfare right. • Repurposed as storage space: Converting toilet areas into storage space undermines hygiene and contravenes welfare standards. • Shared with members of the general public: Sharing facilities with the public can lead to overcrowding, reduced cleanliness, and inadequate provision for workers.
Q12Which facility must employers make available so workers can remove clothing that has become contaminated during work?
✓ Correct answer: A. Dedicated changing facilities
Dedicated changing facilities must be provided so that workers can safely remove contaminated clothing and change into clean attire without risk of spreading harmful substances. Why the other options are incorrect: • Machinery control interfaces: Machinery control interfaces are used to operate equipment and do not serve as welfare facilities for changing clothes. • Audible hazard alert systems: Audible alert systems warn of hazards but do not assist workers in changing contaminated garments. • Hard hats for head protection: Hard hats protect the head from impact but do not constitute a changing facility. • Site access passes for visitors: Visitor access passes manage site entry and have no connection to clothing change provisions.
Q13Which hazard is most closely associated with temporary demolition work?
✓ Correct answer: A. Falling debris
Demolition work generates falling debris that can strike workers or members of the public below. Why the other options are incorrect: • Improved worker posture: Posture-related problems are not the primary hazard associated with demolition activities. • Higher team morale: Team morale is not a physical hazard connected to falling debris during demolition. • Reduction in noise: Noise is a by-product of demolition, but it is flying and falling debris that poses the critical hazard. • Better material storage: Material storage conditions are not the key safety concern during active demolition.
Q14Which physical effect of drug misuse presents a direct threat to safety in the workplace?
✓ Correct answer: A. Impaired or hazy eyesight
Drug misuse can cause a worker's vision to become blurred, substantially raising the risk of accidents, particularly when handling equipment or operating vehicles. Why the other options are incorrect: • Improved balance and steadiness: Balance is generally worsened by drug misuse, not improved. • Greater physical strength: Drug misuse does not boost physical strength in a safe or controlled way; it impairs overall coordination. • Sharper reasoning and judgement: Judgement and decision-making deteriorate under drug misuse rather than becoming clearer. • Heightened wakefulness and alertness: Alertness is reduced rather than heightened when drugs are misused.
Q15What danger arises when too much weight is placed on a scaffold?
✓ Correct answer: A. Structural collapse
When a scaffold is subjected to excessive load, it can give way, causing the structure to collapse and workers to fall. Why the other options are incorrect: • Better posture for workers: How workers hold their bodies is not impacted by excessive weight on scaffolding. • Lower noise output: The amount of noise generated on a site is not related to how much weight a scaffold is carrying. • Improved air flow: Air circulation is not affected by whether a scaffold is overloaded. • Increased worker morale: Staff morale has no influence on the structural integrity of scaffolding.
Q16Which driving-related risk is most likely to worsen when an employee misuses substances?
✓ Correct answer: A. Slower reaction time
Substance misuse slows an employee's reaction time considerably, making vehicle accidents far more probable during work-related driving. Why the other options are incorrect: • Heightened road awareness: Awareness of road conditions decreases rather than increases when substances are misused. • Greater capacity to concentrate: Concentration is impaired, not enhanced, by substance misuse. • Reduced chance of collision: The likelihood of a collision rises, not falls, when driving under the influence of substances. • Sharper visual acuity: Vision can be blurred or distorted by substances rather than made sharper.
Q17What risk is heightened when corridors become congested with people?
✓ Correct answer: A. Impact incidents between people
Congested corridors raise the likelihood of people colliding with one another. Why the other options are incorrect: • Increased work output: Congestion tends to reduce rather than improve productivity, but the primary hazard is collisions. • Improved staff cooperation: Staff cooperation is not a physical hazard associated with crowded passageways. • Enhanced staff wellbeing: Staff wellbeing is not directly linked to corridor congestion risks. • More secure item storage: How safely items are stored is a separate concern from corridor overcrowding.
Q18Which type of organisational policy most directly contributes to preventing violence at work?
✓ Correct answer: A. A no-tolerance stance on violent behaviour
Adopting a no-tolerance approach sends a clear message that violence is unacceptable and acts as a deterrent, underpinning prevention efforts. Why the other options are incorrect: • Staff clothing requirements: Clothing requirements relate to professional appearance and have no effect on aggressive incidents. • Guidelines for reimbursing work costs: Cost reimbursement procedures are a financial tool and do not address violent behaviour. • Procedures for requesting annual leave: Leave request systems manage staff absence and are unrelated to preventing aggression. • Rules governing staff meals and refreshments: Policies about staff meals relate to catering provision and offer no protection against violence.
Q19Which facility must be available so that employees have somewhere to recuperate and eat during rest periods?
✓ Correct answer: A. Designated rest spaces fitted with seating
Designated rest areas with adequate seating must be provided so that workers can take breaks comfortably, eat meals, and recover from physical or mental fatigue. Why the other options are incorrect: • Physical guards on machinery: Machine guarding is a safety measure to prevent contact with moving parts and does not function as a rest provision. • Devices enabling emergency machine shutdown: Emergency stop devices allow rapid machine shutdown but have no connection to rest facilities. • Automated fire detection and alarm systems: Fire detection and alarm systems support emergency evacuation and cannot substitute for welfare rest facilities. • Permit-to-work documentation: Permit-to-work systems control hazardous activities and are entirely unrelated to rest arrangements.
Q20What risk arises when safety harnesses are used without being checked beforehand?
✓ Correct answer: A. Failure of the safety equipment
A harness that has not been inspected may have undetected defects, causing it to fail during use and resulting in a potentially fatal fall. Why the other options are incorrect: • Better body posture: Body posture is unrelated to whether a harness has been inspected prior to use. • Improved air quality: Air quality and ventilation are not affected by the condition of a safety harness. • Lower noise exposure: Exposure to noise at work is an entirely separate issue from harness inspection and use. • Stronger team collaboration: How well a team works together has no effect on whether a harness will fail due to lack of inspection.
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Theory