1
ACSA NCSO EXAM 2026/2027 | NATIONAL
CONSTRUCTION SAFETY OFFICER | 50
VERIFIED Q&A | DETAILED RATIONALES |
PASS GUARANTEED – A+ GRADED
SECTION 1: OCCUPATIONAL HEALTH AND SAFETY LEGISLATION – Questions 1–10
Q1: OHS Legislation – Employer Responsibilities
The student is reviewing employer responsibilities under OHS legislation. What is the employer’s
primary duty under occupational health and safety legislation?
A. To provide a safe and healthy workplace for all workers
B. To maximize production at all costs
C. To discipline workers who report hazards
D. To eliminate all workplace hazards entirely
Correct Answer: A
Rationale: Employers have a general duty to provide a safe and healthy workplace, including
training, supervision, and safe systems of work. While eliminating all hazards is ideal, the legal duty
is to take every reasonable precaution to protect workers. [100% CORRECT]
Q2: OHS Legislation – Worker Rights
The student is reviewing worker rights. Which of the following is a fundamental right of workers
under OHS legislation?
A. The right to refuse unsafe work
B. The right to work without training
C. The right to ignore safety rules
D. The right to sue the employer without cause
Correct Answer: A
Rationale: Workers have the right to refuse work they believe is unsafe, the right to participate in
health and safety, and the right to know about hazards. [100% CORRECT]
Q3: OHS Legislation – Right to Refuse
The student is reviewing the right to refuse. What should a worker do first if they believe work is
unsafe?
A. Report the concern to the supervisor
B. Walk off the job immediately
C. Call the police
D. Continue working and hope for the best
, 2
Correct Answer: A
Rationale: The worker must report the unsafe condition to the supervisor and attempt to resolve it
internally before refusing work. [100% CORRECT]
Q4: OHS Legislation – Due Diligence
The student is reviewing due diligence. What does due diligence mean in OHS?
A. Taking every reasonable precaution to prevent harm
B. Doing the minimum required by law
C. Ignoring safety for productivity
D. Blaming workers for accidents
Correct Answer: A
Rationale: Due diligence is the level of judgement, care, and caution that a reasonable person would
exercise in similar circumstances. It is a legal defence if charged. [100% CORRECT]
Q5: OHS Legislation – Supervisor Responsibilities
The student is reviewing supervisor duties. What is a supervisor’s key responsibility under OHS law?
A. Ensuring workers comply with safety rules and providing training
B. Disciplining workers for all incidents
C. Ignoring hazards to meet deadlines
D. Delegating all safety duties to workers
Correct Answer: A
Rationale: Supervisors must ensure workers follow safety rules, provide training and instruction, and
take corrective action on hazards. [100% CORRECT]
Q6: OHS Legislation – Joint Health and Safety Committee
The student is reviewing JHSC. What is the primary role of a Joint Health and Safety Committee
(JHSC)?
A. To identify and recommend solutions to health and safety issues
B. To manage the company’s finances
C. To hire and fire workers
D. To replace the employer’s safety obligations
Correct Answer: A
Rationale: The JHSC is a collaborative committee of worker and employer representatives that
identifies hazards, makes recommendations, and monitors safety performance. [100% CORRECT]
Q7: OHS Legislation – Workplace Inspections
The student is reviewing inspections. How often should a JHSC conduct workplace inspections?
A. As required by legislation, often monthly or quarterly
B. Once every five years
C. Only after an accident
D. Never
ACSA NCSO EXAM 2026/2027 | NATIONAL
CONSTRUCTION SAFETY OFFICER | 50
VERIFIED Q&A | DETAILED RATIONALES |
PASS GUARANTEED – A+ GRADED
SECTION 1: OCCUPATIONAL HEALTH AND SAFETY LEGISLATION – Questions 1–10
Q1: OHS Legislation – Employer Responsibilities
The student is reviewing employer responsibilities under OHS legislation. What is the employer’s
primary duty under occupational health and safety legislation?
A. To provide a safe and healthy workplace for all workers
B. To maximize production at all costs
C. To discipline workers who report hazards
D. To eliminate all workplace hazards entirely
Correct Answer: A
Rationale: Employers have a general duty to provide a safe and healthy workplace, including
training, supervision, and safe systems of work. While eliminating all hazards is ideal, the legal duty
is to take every reasonable precaution to protect workers. [100% CORRECT]
Q2: OHS Legislation – Worker Rights
The student is reviewing worker rights. Which of the following is a fundamental right of workers
under OHS legislation?
A. The right to refuse unsafe work
B. The right to work without training
C. The right to ignore safety rules
D. The right to sue the employer without cause
Correct Answer: A
Rationale: Workers have the right to refuse work they believe is unsafe, the right to participate in
health and safety, and the right to know about hazards. [100% CORRECT]
Q3: OHS Legislation – Right to Refuse
The student is reviewing the right to refuse. What should a worker do first if they believe work is
unsafe?
A. Report the concern to the supervisor
B. Walk off the job immediately
C. Call the police
D. Continue working and hope for the best
, 2
Correct Answer: A
Rationale: The worker must report the unsafe condition to the supervisor and attempt to resolve it
internally before refusing work. [100% CORRECT]
Q4: OHS Legislation – Due Diligence
The student is reviewing due diligence. What does due diligence mean in OHS?
A. Taking every reasonable precaution to prevent harm
B. Doing the minimum required by law
C. Ignoring safety for productivity
D. Blaming workers for accidents
Correct Answer: A
Rationale: Due diligence is the level of judgement, care, and caution that a reasonable person would
exercise in similar circumstances. It is a legal defence if charged. [100% CORRECT]
Q5: OHS Legislation – Supervisor Responsibilities
The student is reviewing supervisor duties. What is a supervisor’s key responsibility under OHS law?
A. Ensuring workers comply with safety rules and providing training
B. Disciplining workers for all incidents
C. Ignoring hazards to meet deadlines
D. Delegating all safety duties to workers
Correct Answer: A
Rationale: Supervisors must ensure workers follow safety rules, provide training and instruction, and
take corrective action on hazards. [100% CORRECT]
Q6: OHS Legislation – Joint Health and Safety Committee
The student is reviewing JHSC. What is the primary role of a Joint Health and Safety Committee
(JHSC)?
A. To identify and recommend solutions to health and safety issues
B. To manage the company’s finances
C. To hire and fire workers
D. To replace the employer’s safety obligations
Correct Answer: A
Rationale: The JHSC is a collaborative committee of worker and employer representatives that
identifies hazards, makes recommendations, and monitors safety performance. [100% CORRECT]
Q7: OHS Legislation – Workplace Inspections
The student is reviewing inspections. How often should a JHSC conduct workplace inspections?
A. As required by legislation, often monthly or quarterly
B. Once every five years
C. Only after an accident
D. Never
