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Sample NIOSH SSS Practice Questions

Try these sample questions to review concepts for the NIOSH SSS exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Under which Malaysian regulation is the mandatory appointment of a Site Safety Supervisor (SSS) by the main contractor required?

A.Factories and Machinery (Building Operations and Works of Engineering Construction) (Safety) Regulations 1986, Regulation 25

B.Occupational Safety and Health Act 1994, Section 15

C.Factories and Machinery (Building Operations and Works of Engineering Construction) (Safety) Regulations 1986, Regulation 26

D.Occupational Safety and Health (Safety and Health Officer) Regulations 1997, Regulation 5

Explanation: Regulation 25 of the Factories and Machinery (Building Operations and Works of Engineering Construction) (Safety) Regulations 1986 (commonly referred to as BOWEC Regulations) mandates that the main contractor of a construction site must employ a competent Site Safety Supervisor (SSS). This SSS is tasked with overseeing safety, correcting hazards, and promoting safety awareness on the site.

2Which regulation governs the appointment of a Contractor's Safety Supervisor by individual subcontractors on a construction site?

A.BOWEC Regulations 1986, Regulation 26

B.BOWEC Regulations 1986, Regulation 25

C.OSHA 1994, Section 29

D.SHO Regulations 1997, Regulation 10

Explanation: Under Regulation 26 of the BOWEC Regulations 1986, every subcontractor who employs more than 20 workers on a construction site must appoint a Contractor's Safety Supervisor. This supervisor is responsible for ensuring safety standards are met within the subcontractor's specific scope of work, in coordination with the main contractor's SSS.

3What is the minimum years of experience as a construction site foreman required for an individual to register as a Site Safety Supervisor with DOSH?

A.2 years

B.1 year

C.3 years

D.5 years

Explanation: Under BOWEC Regulation 25, a Site Safety Supervisor must be a competent person who has successfully completed approved training (such as the 80-hour SSS course) and has at least two years of working experience as a construction site foreman. This practical background ensures they understand site operations and can effectively identify and correct hazards.

4Under OSHA 1994, Section 15, who bears the primary duty to ensure, so far as is practicable, the safety, health, and welfare at work of all employees?

A.The employer or self-employed person

B.The Site Safety Supervisor

C.The Safety and Health Officer

D.The DOSH Inspector

Explanation: Section 15 of OSHA 1994 places the primary responsibility for ensuring the safety, health, and welfare of employees on the employer or self-employed person. This general duty includes providing safe systems of work, safety training, information, instruction, and maintaining a hazard-free work environment.

5What is the threshold number of workers employed at a construction site that mandates the establishment of a joint Safety and Health Committee under OSHA 1994?

A.40 or more employees

B.20 or more employees

C.50 or more employees

D.100 or more employees

Explanation: Section 30 of the Occupational Safety and Health Act 1994 (OSHA) mandates that an employer must establish a Safety and Health Committee at the workplace if there are 40 or more persons employed, or if directed by the Director General of DOSH. The committee's function is to keep under review the safety and health measures on site.

6Which section of OSHA 1994 details the general duties of employees at work, such as taking reasonable care for their own safety and cooperating with their employer?

A.Section 24

B.Section 15

C.Section 20

D.Section 17

Explanation: Section 24 of OSHA 1994 outlines the duties of employees, which include taking reasonable care for the safety of themselves and others, wearing appropriate PPE, and cooperating with employers on OSH compliance. Failure to comply can result in prosecution and fines for the employee.

7Under the Occupational Safety and Health (Amendment) Act 2022, which new officer role must be appointed by employers in smaller workplaces (where no Safety and Health Officer is required) to coordinate OSH matters?

A.OSH Coordinator

B.Site Safety Representative

C.Safety Steward

D.Competent Site Supervisor

Explanation: The OSH (Amendment) Act 2022 introduced Section 29A, which requires employers with 5 or more employees (in workplaces not requiring an SHO) to appoint an OSH Coordinator. The OSH Coordinator's role is to coordinate safety and health matters and assist in implementing safety measures at the workplace.

8What is the maximum penalty for an employer who fails to comply with the general duties under Section 15 of OSHA 1994, as amended by the OSH (Amendment) Act 2022?

A.A fine of up to RM 500,000, imprisonment for up to 2 years, or both

B.A fine of up to RM 50,000, imprisonment for up to 1 year, or both

C.A fine of up to RM 150,000, imprisonment for up to 1 year, or both

D.A fine of up to RM 100,000, imprisonment for up to 6 months, or both

Explanation: Under the OSH (Amendment) Act 2022, the penalty for breaching the general duties of employers (Sections 15 to 19) was significantly increased. The maximum penalty is now a fine of RM 500,000, imprisonment for up to 2 years, or both. This reflects the government's push for stricter enforcement.

9Under OSHA 1994, an employee has the right to remove themselves from imminent danger at the workplace under which condition introduced by the OSH (Amendment) Act 2022?

A.If the employer fails to take immediate action to resolve a serious risk after being informed

B.At any time the employee feels uncomfortable or tired

C.Only after receiving written permission from a DOSH officer

D.If the safety committee has not met for more than three months

Explanation: The OSH (Amendment) Act 2022 introduced Section 26A, giving employees the right to remove themselves from imminent danger if they have informed the employer and the employer fails to take immediate action to rectify the hazard. Imminent danger is defined as a high risk of serious bodily injury or death.

10Which regulation under BOWEC 1986 requires the main contractor to establish a Safety Committee if the construction project lasts for a certain duration or size?

A.Regulation 27

B.Regulation 25

C.Regulation 28

D.Regulation 30

Explanation: BOWEC Regulation 27 requires the main contractor to establish a safety committee on any construction site where more than 50 workers are employed. The committee meets regularly to address hazards and safety protocols specifically for the project.

About the NIOSH SSS Exam

The NIOSH Site Safety Supervisor (SSS) examination qualifies construction supervisors in Malaysia to register with DOSH as the competent person a principal contractor must appoint under regulation 39 of the OSH (Construction Work) (Design and Management) Regulations 2024. The SSS course and examination cover OSHA 1994 as amended by Act A1648, CDM 2024 and other regulations, OSH management and HIRARC, construction hazards such as work at height, scaffolding, excavation, lifting, electrical work and confined spaces, and occupational health.

Exam sponsor: National Institute of Occupational Safety and Health (NIOSH) Malaysia, for the Occupational Safety and Health Competency Assessment Board (LPKKKP). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Paper 1: Part A, 60 multiple-choice questions (1 hour 30 minutes); Part B, 3 structured questions and 1 essay (2 hours). Paper 2: Part A, site assessment (30 minutes); Part B, online HIRARC presentation (10 minutes) and question session (10 minutes).

Time Limit

Paper 1: 3 hours 30 minutes in total (Part A 1 hour 30 minutes, Part B 2 hours). Paper 2: 30-minute site assessment and a 20-minute online presentation session.

Passing Score

50% for each part; both parts of Paper 2 must be passed.

Exam / Certification Fees

RM350 (RM100 for Paper 1, RM100 for Paper 2 Part A, RM150 for Paper 2 Part B).

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

National Institute of Occupational Safety and Health (NIOSH) Malaysia
Department of Occupational Safety and Health (DOSH) Malaysia
LPKKKP SSS examination requirements and format (document 600-6-12/3A) · Source checked 2026-10-19
SSS Paper 2B presentation guidelines (version 1.4) · Source checked 2026-10-19
DOSH Site Safety Supervisor registration requirements · Source checked 2026-10-19

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Not published

The SSS Role and OSH Legislation

Course Parts 1 and 2: the SSS appointment under CDM 2024 regulation 39, OSHA 1994 as amended by Act A1648, regulations made under OSHA, and the OSH (Construction Work) (Design and Management) Regulations 2024.

Not published

OSH Management Systems and HIRARC

Course Part 3: OSH planning, policy and organisation, human and behavioural factors, HIRARC under DOSH's 2008 guidelines, safe work procedures, permits to work, monitoring, accident investigation, record keeping and audit.

Not published

Occupational Safety on Construction Sites

Course Part 4: site planning, general control, welfare, vehicle and plant movement, work equipment, electrical safety, fire, work at height and scaffolding, excavation, demolition and lifting operations.

Not published

Occupational Health

Course Part 5: musculoskeletal hazards and manual handling, chemical and biological hazards, physical and psychological hazards, and work in confined spaces.

Not published

Site Visit, Site Assessment and Presentation

Course Part 6 and Paper 2: site inspection practice, the 30-minute site assessment, and a 10-minute online HIRARC presentation on one of ten construction activities with a 10-minute question session.

Preparing for the NIOSH SSS Exam

What You Need to Know

Passing score: 50% for each part; both parts of Paper 2 must be passed.
Assessment: Paper 1: Part A, 60 multiple-choice questions (1 hour 30 minutes); Part B, 3 structured questions and 1 essay (2 hours). Paper 2: Part A, site assessment (30 minutes); Part B, online HIRARC presentation (10 minutes) and question session (10 minutes).
Time limit: Paper 1: 3 hours 30 minutes in total (Part A 1 hour 30 minutes, Part B 2 hours). Paper 2: 30-minute site assessment and a 20-minute online presentation session.
Exam / certification fees: RM350 (RM100 for Paper 1, RM100 for Paper 2 Part A, RM150 for Paper 2 Part B). Official sources

Using Our Practice Resources

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NIOSH SSS: Suggested Study Strategy

1Study the current law: OSHA 1994 as amended by Act A1648 and the CDM Regulations 2024 replaced the FMA 1967 and BOWEC 1986 framework on 1 June 2024, so treat BOWEC answers as out of date.

2Learn the HIRARC 2008 method thoroughly: likelihood times severity on a 5 x 5 matrix, the High, Medium and Low bands, and controls listed by the hierarchy. HIRARC carries 20 of the 100 Paper 2B marks.

3Practise answering 60 multiple-choice questions in 90 minutes, and plan structured and essay answers around hazards, controls by the hierarchy, the legal basis and the SSS's role.

4Choose your Paper 2B topic early from the ten permitted activities and rehearse a 10-minute presentation with a safety briefing, objectives, a step-by-step HIRARC, legislation, the SSS's role, a conclusion and references.

Frequently Asked Questions

What is the legal basis for a Site Safety Supervisor in Malaysia?

Regulation 39 of the OSH (Construction Work) (Design and Management) Regulations 2024 requires the principal contractor of construction work to appoint a competent person who is a Site Safety Supervisor to help manage safety and health on site. Failing to appoint one carries a fine of up to RM50,000, six months' imprisonment, or both. The earlier BOWEC Regulations 1986 were repealed on 1 June 2024.

What is the format of the NIOSH SSS examination?

Paper 1 has Part A, 60 multiple-choice questions in 1 hour 30 minutes, and Part B, three structured questions and one essay in 2 hours. Paper 2 has Part A, a 30-minute site assessment, and Part B, a 10-minute online presentation followed by a 10-minute question session. Each part has a 50% pass mark, and new candidates sit both papers in the same session.

Is a Site Safety Supervisor registered with DOSH?

Yes. After passing the examination, candidates who meet one of DOSH's five qualification routes (A to E) apply through MyKKP to register as a competent person. Registration is valid for three years and can be renewed. Fees are a RM50 processing fee plus a RM200 registration or renewal fee.