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Sample NIOSH SSS Practice Questions

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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) certification is a vital competency credential in Malaysia under the Factories and Machinery (Building Operations and Works of Engineering Construction) (Safety) Regulations 1986. An SSS is responsible for enforcing safety protocols on construction sites, conducting regular inspections, correcting unsafe acts and conditions, and acting as a bridge between the main contractor and subcontractors.

Assessment

Multiple-choice theory questions (Paper 1 Part A) and structured questions covering construction site safety, regulations, scaffolding, excavation, concrete work, and occupational health.

Time Limit

2 hours for Paper 1 (45 minutes for Part A MCQ, 75 minutes for Part B structured).

Passing Score

50% for Paper 1 and Paper 2 individually.

Exam Fee

RM350 (RM100 for Paper 1, RM250 for Paper 2). (National Institute of Occupational Safety and Health (NIOSH) Malaysia)

NIOSH SSS Exam Content Outline

20%

OSH Legislation & SSS Duties

Occupational Safety and Health Act 1994 (OSHA), Factories and Machinery Act 1967 (FMA), BOWEC Regulations 1986, and Site Safety Supervisor roles.

20%

Working at Heights & Scaffolding

Fall protection systems, safety harnesses, catch platforms, scaffolding types, inspection, and green/red tagging requirements.

15%

Excavation, Trenching & Shoring

Excavation hazards, sloping, benching, shoring systems, safe access, and competent person inspection rules under BOWEC.

15%

Concrete, Formwork & Lifting Operations

Formwork design and shoring, concrete placement safety, crane safety, rigging and slinging, load charts, and signaling.

15%

Electrical, Fire, Confined Space & Machinery

Temporary site wiring, distribution boards, ELCB/RCD, lockout/tagout (LOTO), hot work, fire extinguishers, confined space permit system.

15%

Occupational Health, Hygiene & PPE

Physical hazards (noise, heat), chemical hazards (USECHH Regulations 2000), manual handling, PPE selection, and first aid.

How to Pass the NIOSH SSS Exam

What You Need to Know

Passing score: 50% for Paper 1 and Paper 2 individually.
Assessment: Multiple-choice theory questions (Paper 1 Part A) and structured questions covering construction site safety, regulations, scaffolding, excavation, concrete work, and occupational health.
Time limit: 2 hours for Paper 1 (45 minutes for Part A MCQ, 75 minutes for Part B structured).
Exam fee: RM350 (RM100 for Paper 1, RM250 for Paper 2).

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

NIOSH SSS Study Tips from Top Performers

1Study BOWEC 1986 Regulations thoroughly: pay close attention to scaffolding (Part X), excavations (Part XII), and general safety duties.

2Remember key engineering thresholds: scaffolding over 15 meters (or metal tube over 40 meters) and trench excavations deeper than 4 meters require Professional Engineer (PE) design.

3Understand the scaffolding inspection system: green tag means safe to use, yellow tag indicates modifications are ongoing, and red tag means unsafe—do not use.

Frequently Asked Questions

What is the role of a Site Safety Supervisor (SSS) in Malaysia?

Under Regulation 25 of the BOWEC Regulations 1986, the SSS is appointed by the main contractor to supervise safety, inspect for unsafe conditions/practices on construction sites, and correct them immediately.

What are the passing requirements for the SSS exam?

Candidates must pass both Paper 1 (theory, which includes Part A MCQ and Part B structured questions) and Paper 2 (practical site visit checklist and presentation) within a 2-year validity window.

Is a Site Safety Supervisor registered with DOSH?

Yes. Upon completing the 80-hour SSS course and passing the NIOSH exams, candidates must apply to register with the Department of Occupational Safety and Health (DOSH) to be recognized as competent supervisors.