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ACSA NCSO PRACTICE 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 – Purpose
The student is reviewing OHS legislation. What is the primary purpose of occupational health and
safety legislation?
A. To protect workers from workplace hazards and prevent harm
B. To increase company profits
C. To reduce worker wages
D. To replace employer responsibilities
Correct Answer: A
Rationale: OHS legislation is designed to protect workers from hazards, prevent workplace injuries
and illnesses, and establish rights and duties for employers, supervisors, and workers. [100%
CORRECT]
Q2: OHS Legislation – Jurisdiction
The student is reviewing jurisdiction. In Canada, who is primarily responsible for enforcing
occupational health and safety laws?
A. Provincial and territorial governments
B. Federal government only
C. Municipal governments only
D. Police departments
Correct Answer: A
Rationale: In Canada, OHS is primarily a provincial/territorial responsibility, except for federally
regulated industries such as banking, telecommunications, and interprovincial transportation. [100%
CORRECT]
Q3: OHS Legislation – Worker Right to Know
The student is reviewing worker rights. What does the right to know mean?
A. Workers have the right to be informed about workplace hazards
B. Workers have the right to know company profits
C. Workers have the right to know coworker salaries
D. Workers have the right to know management decisions
, 2
Correct Answer: A
Rationale: The right to know means workers must be informed about hazards, including chemicals,
equipment, and processes, and receive training on safe handling. [100% CORRECT]
Q4: OHS Legislation – Supervisor Duty
The student is reviewing supervisor duties. What must a supervisor do when a worker reports an
unsafe condition?
A. Take immediate action to address the hazard and report it
B. Ignore the report
C. Tell the worker to continue working
D. Blame the worker
Correct Answer: A
Rationale: Supervisors must take immediate action to address hazards, report them to the
employer, and ensure workers are protected. [100% CORRECT]
Q5: OHS Legislation – Joint Health and Safety Committee
The student is reviewing JHSC requirements. When is a Joint Health and Safety Committee generally
required?
A. When the workplace has a specified number of workers, often 20 or more
B. Only when a fatality occurs
C. Never
D. Only in federal workplaces
Correct Answer: A
Rationale: Most jurisdictions require a JHSC when the workplace reaches a certain size, commonly
20 or more workers, though thresholds vary by jurisdiction. [100% CORRECT]
Q6: OHS Legislation – Health and Safety Representative
The student is reviewing health and safety representatives. What is a health and safety
representative?
A. A worker selected to represent workers on health and safety matters in smaller workplaces
B. A paid government inspector
C. A company executive
D. A union president
Correct Answer: A
Rationale: In smaller workplaces that do not require a full JHSC, a health and safety representative is
selected to address health and safety issues. [100% CORRECT]
Q7: OHS Legislation – Internal Responsibility System
The student is reviewing the internal responsibility system. What is the internal responsibility
system?
A. The principle that everyone in the workplace shares responsibility for health and safety
B. A system where only the employer is responsible
ACSA NCSO PRACTICE 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 – Purpose
The student is reviewing OHS legislation. What is the primary purpose of occupational health and
safety legislation?
A. To protect workers from workplace hazards and prevent harm
B. To increase company profits
C. To reduce worker wages
D. To replace employer responsibilities
Correct Answer: A
Rationale: OHS legislation is designed to protect workers from hazards, prevent workplace injuries
and illnesses, and establish rights and duties for employers, supervisors, and workers. [100%
CORRECT]
Q2: OHS Legislation – Jurisdiction
The student is reviewing jurisdiction. In Canada, who is primarily responsible for enforcing
occupational health and safety laws?
A. Provincial and territorial governments
B. Federal government only
C. Municipal governments only
D. Police departments
Correct Answer: A
Rationale: In Canada, OHS is primarily a provincial/territorial responsibility, except for federally
regulated industries such as banking, telecommunications, and interprovincial transportation. [100%
CORRECT]
Q3: OHS Legislation – Worker Right to Know
The student is reviewing worker rights. What does the right to know mean?
A. Workers have the right to be informed about workplace hazards
B. Workers have the right to know company profits
C. Workers have the right to know coworker salaries
D. Workers have the right to know management decisions
, 2
Correct Answer: A
Rationale: The right to know means workers must be informed about hazards, including chemicals,
equipment, and processes, and receive training on safe handling. [100% CORRECT]
Q4: OHS Legislation – Supervisor Duty
The student is reviewing supervisor duties. What must a supervisor do when a worker reports an
unsafe condition?
A. Take immediate action to address the hazard and report it
B. Ignore the report
C. Tell the worker to continue working
D. Blame the worker
Correct Answer: A
Rationale: Supervisors must take immediate action to address hazards, report them to the
employer, and ensure workers are protected. [100% CORRECT]
Q5: OHS Legislation – Joint Health and Safety Committee
The student is reviewing JHSC requirements. When is a Joint Health and Safety Committee generally
required?
A. When the workplace has a specified number of workers, often 20 or more
B. Only when a fatality occurs
C. Never
D. Only in federal workplaces
Correct Answer: A
Rationale: Most jurisdictions require a JHSC when the workplace reaches a certain size, commonly
20 or more workers, though thresholds vary by jurisdiction. [100% CORRECT]
Q6: OHS Legislation – Health and Safety Representative
The student is reviewing health and safety representatives. What is a health and safety
representative?
A. A worker selected to represent workers on health and safety matters in smaller workplaces
B. A paid government inspector
C. A company executive
D. A union president
Correct Answer: A
Rationale: In smaller workplaces that do not require a full JHSC, a health and safety representative is
selected to address health and safety issues. [100% CORRECT]
Q7: OHS Legislation – Internal Responsibility System
The student is reviewing the internal responsibility system. What is the internal responsibility
system?
A. The principle that everyone in the workplace shares responsibility for health and safety
B. A system where only the employer is responsible
