Q1 Past Paper · PPSC/FPSC/NTS easy
ISO standards are
A international voluntary consensus standards ✓ B only Pakistani provincial laws exclusively ✓ C only military classified exclusively always ✓ D only religious texts ✓ Show Answer 💡 Explanation: ISO 9001, 14001 widely adopted in Pakistan industry.
Q2 Past Paper · PPSC/FPSC/NTS medium
ISO 45001 addresses
A only financial accounting only ✓ B only food recipe only ✓ C occupational health and safety management systems ✓ D only textile colour only ✓ Show Answer 💡 Explanation: Replaces OHSAS 18001 framework.
Q3 medium
ISO 14001 addresses
A only quality defects only ✓ B only welding rod size only ✓ C only gear tooth count only ✓ D environmental management systems ✓ Show Answer 💡 Explanation: EMS for pollution and resource use.
Q4 medium
CE marking (relevant for imports) indicates
A automatic Pakistan PS compliance always without testing ✓ B only halal food certification ✓ C only cricket equipment standard ✓ D conformity with EU safety directives for product sold in Europe ✓ Show Answer 💡 Explanation: Pakistani exporters to EU need CE where applicable.
Q5 Past Paper · PPSC/FPSC/NTS easy
Factories Act in Pakistan governs
A only motorway traffic exclusively ✓ B only university exams exclusively ✓ C health, safety and welfare of factory workers ✓ D only banking interest rates exclusively ✓ Show Answer 💡 Explanation: Provincial rules under factories legislation.
Q6 Past Paper · PPSC/FPSC/NTS easy
Occupational Safety and Health (OSH) goal is
A prevent workplace injuries and illnesses ✓ B maximize hazard exposure ✓ C eliminate all PPE to save money always ✓ D ignore near-miss reports ✓ Show Answer 💡 Explanation: Risk assessment and controls hierarchy.
Q7 Past Paper · PPSC/FPSC/NTS medium
Hierarchy of controls ranks most effective first as
A PPE only always first ✓ B elimination, substitution, engineering, administrative, PPE ✓ C do nothing first ✓ D administrative only without engineering ✓ Show Answer 💡 Explanation: Eliminate hazard before relying on PPE alone.
Q8 Past Paper · PPSC/FPSC/NTS easy
Personal Protective Equipment (PPE) includes
A only office casual clothes always sufficient ✓ B helmets, gloves, safety shoes and eye protection ✓ C only jewellery ✓ D only mobile phones ✓ Show Answer 💡 Explanation: Last line of defence in hierarchy.
Q9 Past Paper · PPSC/FPSC/NTS easy
Risk assessment identifies
A hazards, who may be harmed and control measures ✓ B only profit forecast ✓ C only product colour palette marketing ✓ D only cricket team selection ✓ Show Answer 💡 Explanation: Documented before hazardous work.
Q10 Past Paper · PPSC/FPSC/NTS medium
Material Safety Data Sheet (SDS/MSDS) provides
A only sales price discount ✓ B only fashion design sketches ✓ C chemical hazard and handling information ✓ D only sports scores ✓ Show Answer 💡 Explanation: Required for hazardous substances in workplace.
Q11 Past Paper · PPSC/FPSC/NTS medium
Confined space entry hazards include
A only improved ventilation always guaranteed without testing ✓ B only comfortable temperature always ✓ C only unlimited visibility ✓ D oxygen deficiency, toxic gas and engulfment ✓ Show Answer 💡 Explanation: Permit, gas test and standby person required.
Q12 Past Paper · PPSC/FPSC/NTS medium
Hot work permit required for
A only desk typing ✓ B only reading manual in office ✓ C only water drinking break ✓ D welding, cutting and grinding near combustibles ✓ Show Answer 💡 Explanation: Fire watch and combustible clearance.
Q13 Past Paper · PPSC/FPSC/NTS easy
Fire triangle elements are
A only water, earth, air metaphor without heat ✓ B only electricity alone ✓ C fuel, oxygen and heat (ignition source) ✓ D only nitrogen inert only ✓ Show Answer 💡 Explanation: Remove one element to extinguish fire.
Q14 Past Paper · PPSC/FPSC/NTS medium
Class B fire involves
A flammable liquids and gases ✓ B ordinary combustible wood paper Class A ✓ C electrical energized Class C/E ✓ D combustible metals Class D ✓ Show Answer 💡 Explanation: Foam or dry chemical; not water jet on oil.
Q15 Past Paper · PPSC/FPSC/NTS easy
Electrical safety in factory requires
A wet hands on live panels ✓ B insulated tools, LOTO and qualified electricians ✓ C bypass earth connection ✓ D overload cables without breaker ✓ Show Answer 💡 Explanation: Electrocution and arc flash risks.
Q16 Past Paper · PPSC/FPSC/NTS hard
Arc flash hazard mitigated by
A only wearing conductive jewellery ✓ B appropriate PPE, distance and de-energization ✓ C only increasing fault current deliberately ✓ D only removing panel covers during energization ✓ Show Answer 💡 Explanation: NFPA 70E practices adopted globally.
Q17 Past Paper · PPSC/FPSC/NTS easy
Machine guarding purpose is to
A prevent contact with moving parts, pinch and nip points ✓ B slow production only without safety benefit ✓ C increase noise exposure ✓ D remove emergency stop ✓ Show Answer 💡 Explanation: Guards interlocked per standards.
Q18 easy
Emergency stop device should be
A hidden behind panel always ✓ B only operable by manager key yearly ✓ C clearly identifiable, accessible and override other controls ✓ D only functional during maintenance mode wrong ✓ Show Answer 💡 Explanation: Red mushroom head latching reset.
Q19 medium
Noise induced hearing loss prevented by
A only increasing noise exposure time ✓ B only cotton in ears without rating ✓ C only ignoring audiometry ✓ D engineering controls, administrative rotation and hearing protection ✓ Show Answer 💡 Explanation: 85 dBA action level common reference.
Q20 medium
Ergonomics in workplace safety reduces
A only electrical shock ✓ B only chemical burns exclusively ✓ C only radiation only ✓ D musculoskeletal disorders from poor posture and repetition ✓ Show Answer 💡 Explanation: Adjust workstation, tools and job rotation.
Q21 easy
Manual handling injuries reduced by
A only lifting maximum weight alone always ✓ B only twisting while carrying heavy load ✓ C mechanical aids, team lift and training on technique ✓ D only ignoring load limits ✓ Show Answer 💡 Explanation: Back injuries major cause of lost time.
Q22 medium
Scaffolding safety requires
A competent erection, toe boards and fall protection ✓ B only bamboo without inspection ever ✓ C only one plank for all trades ✓ D only climb without harness at height ✓ Show Answer 💡 Explanation: Work at height regulations apply.
Q23 medium
Fall protection typically required above
A only 20 metres exclusively always all tasks ✓ B 2 metres or per local regulation threshold ✓ C never on roof work ✓ D only when raining ✓ Show Answer 💡 Explanation: Harness, guardrails or safety nets.
Q24 medium
Pressure vessel operation in Pakistan must comply with
A only cosmetic painting standard ✓ B boiler and pressure vessel inspection regulations ✓ C only social media policy ✓ D only vehicle traffic rules exclusively ✓ Show Answer 💡 Explanation: Periodic inspection and certified operators.
Q25 Past Paper · PPSC/FPSC/NTS easy
PSQCA stands for
A Pakistan Standards and Quality Control Authority ✓ B Pakistan Solar Quality Control Agency ✓ C Punjab Standards Quality Certification Authority only ✓ D Public Safety Quota Control Act ✓ Show Answer 💡 Explanation: National standards body under Ministry of Science.
Q26 Past Paper · PPSC/FPSC/NTS easy
Pakistan Standards (PS) are developed by
A only individual shopkeepers without process ✓ B PSQCA technical committees with stakeholder input ✓ C only foreign embassies exclusively ✓ D only sports boards ✓ Show Answer 💡 Explanation: Voluntary or mandatory per notification.
Q27 Past Paper · PPSC/FPSC/NTS medium
Compulsory certification mark in Pakistan indicates
A only imported without inspection always ✓ B product conforms to mandatory Pakistan Standard ✓ C only decorative logo ✓ D only highest price product ✓ Show Answer 💡 Explanation: PSQCA enforces on notified products.
Q28 easy
Gas cylinder storage should be
A upright, secured, ventilated and away from ignition sources ✓ B horizontal without restraint always ✓ C in unventilated basement with heat ✓ D next to welding sparks without separation ✓ Show Answer 💡 Explanation: Acetylene and LPG hazards.
Q29 medium
Chemical spill response first step is
A only hide spill with carpet ✓ B only continue work through spill ✓ C ensure personal safety and isolate area ✓ D only photograph for social media before safety ✓ Show Answer 💡 Explanation: Evacuate, ventilate, contain per SDS.
Q30 easy
First aid in workplace requires
A only hospital 100 km away without on-site kit ✓ B only video training without supplies ✓ C only for management staff ✓ D trained personnel and accessible kits ✓ Show Answer 💡 Explanation: Factories rules specify first aid provisions.
Q31 medium
Incident investigation should be
A only punish worker without analysis ✓ B hide report from regulators always ✓ C only if fatality ignoring near miss ✓ D blame-free focus on systemic causes and prevention ✓ Show Answer 💡 Explanation: Near-miss reporting improves culture.
Q32 easy
Safety audit examines
A only product sales revenue ✓ B only machine colour scheme aesthetic ✓ C compliance with procedures and legal requirements ✓ D only canteen food taste exclusively ✓ Show Answer 💡 Explanation: Internal and external audits.
Q33 hard
Behaviour-based safety (BBS) focuses on
A observing and reinforcing safe behaviours ✓ B only punishing all errors publicly ✓ C ignoring unsafe acts ✓ D only equipment without human factor ✓ Show Answer 💡 Explanation: Peer observation programs.
Q34 medium
Pakistan labour laws require provision of
A only maximum overtime without rest always ✓ B safe working environment and welfare facilities ✓ C zero ventilation acceptable always ✓ D no reporting accidents ✓ Show Answer 💡 Explanation: Provincial labour departments enforce.
Q35 medium
NEQS in Pakistan stands for
A National Environmental Quality Standards ✓ B National Engineering Quality Society ✓ C Nuclear Equipment Quality Standard ✓ D New Equipment Quota System ✓ Show Answer 💡 Explanation: Limits pollutants in air and water.
Q36 medium
Hazard communication requires
A only verbal rumours ✓ B only hidden formulas from workers always ✓ C labelling and training on chemical risks ✓ D no SDS access ✓ Show Answer 💡 Explanation: Workers right to know hazards.
Q37 hard
Radiation safety for industrial radiography (NDT)
A only casual walk-through during exposure ✓ B only smartphone camera without shield ✓ C only trainee without certificate ✓ D requires licensed operators, barriers and dosimetry ✓ Show Answer 💡 Explanation: PNRA regulates nuclear safety in Pakistan.
Q38 medium
Construction safety in Pakistan mega projects (CPEC etc.) must address
A only ignore soil stability ✓ B only night work without lighting ✓ C traffic management, excavation and crane lifting plans ✓ D only unguarded openings in slabs ✓ Show Answer 💡 Explanation: Project safety plans and supervision.
Q39 medium
Crane lifting safety includes
A load chart compliance, rigging inspection and signal person ✓ B exceed rated capacity for efficiency ✓ C stand under suspended load ✓ D use damaged wire rope ✓ Show Answer 💡 Explanation: ASME B30 practices reference globally.
Q40 medium
Excavation trench collapse prevented by
A vertical cut in loose soil 3 m deep unshored ✓ B sloping, shoring or trench box ✓ C workers inside without egress ✓ D spoil pile at edge ✓ Show Answer 💡 Explanation: Trench fatalities preventable with shoring.
Q41 easy
Heat stress in Pakistani summer industry managed by
A only increase PPE thickness in sun always ✓ B hydration, rest breaks and ventilation ✓ C only noon peak work without shade ✓ D ignore dehydration signs ✓ Show Answer 💡 Explanation: WBGT monitoring in steel and construction.
Q42 medium
Dust exposure (silica in cement/construction) causes
A silicosis and respiratory disease ✓ B improved lung capacity always ✓ C only temporary comfort ✓ D zero long-term effect ✓ Show Answer 💡 Explanation: Water suppression and respirators required.
Q43 easy
Lockout devices must hold energy isolation in
A only warning sign without physical lock ✓ B only verbal promise ✓ C off or safe position positively ✓ D only during lunch break removal ✓ Show Answer 💡 Explanation: Padlocks per worker on breakers valves.
Q44 medium
Tagout without lockout is
A always superior alone legally everywhere without exception ✓ B unnecessary always ✓ C only for office doors ✓ D less secure; lock and tag combined preferred ✓ Show Answer 💡 Explanation: Tag alerts; lock prevents operation.
Q45 medium
Pakistan Standard for cement (PS) ensures
A only bag colour marketing ✓ B only weight of empty bag ✓ C only factory distance from city ✓ D minimum strength and composition for construction safety ✓ Show Answer 💡 Explanation: Construction quality depends on certified cement.
Q46 easy
Halal certification differs from industrial safety standard as it addresses
A pressure vessel thickness ✓ B electrical grounding ✓ C Islamic dietary and process requirements for products ✓ D crane load chart ✓ Show Answer 💡 Explanation: Separate certification bodies; not substitute for OSH.
Q47 medium
Safety culture in organization means
A shared values where safety is prioritized by all levels ✓ B only posters without management commitment ✓ C only production at any cost ✓ D punish reporting hazards ✓ Show Answer 💡 Explanation: Leadership drives reporting and learning.
Q48 easy
Mechanical engineer role in plant safety includes
A only ignoring codes to save cost always ✓ B designing guards, interlocks and safe maintenance access ✓ C only financial audit exclusively ✓ D only marketing exclusively ✓ Show Answer 💡 Explanation: Design out hazards; comply with standards.
Q49 medium
Environmental protection in industry addresses
A only dumping untreated effluent always legal ✓ B emissions, effluent and waste disposal per regulations ✓ C uncontrolled stack emissions always ✓ D ignoring EPA Punjab/Sindh notices ✓ Show Answer 💡 Explanation: NEQS national environmental quality standards.