ACSA NCSO Exam Questions and Verified Answers
National Construction Safety Officer (NCSO) Certification
2026/2027 Academic Year | Complete and Accurate
SECTION 1: OCCUPATIONAL HEALTH AND SAFETY LEGISLATION
Question 1.
Under the Alberta OHS Act, what is the "general duty clause" for employers?
A. To ensure the company remains profitable
B. To ensure, as far as reasonably practicable, the health and safety of
workers
C. To ensure all workers have a company vehicle
D. To ensure the company meets its production targets
Correct Answer: B
Rationale: Section 2(1) of the Alberta OHS Act establishes the employer's general
duty to protect workers. Profitability, vehicles, and production targets are not legal
duties under the Act.
Question 2.
What is the "Right to Refuse" process in Alberta OHS?
A. A worker can refuse any task without consequences
B. A worker can refuse work that they have reasonable grounds to believe is
dangerous
C. A worker can refuse work for any reason
D. A worker can refuse to wear PPE
Correct Answer: B
Rationale: The right to refuse applies to dangerous work. It is not for any task, any
reason, or refusing PPE. The refusal must be based on reasonable grounds.
,Question 3.
What is the maximum fine for an individual convicted of a serious OHS offence in
Alberta?
A. $5,000
B. $50,000
**C. $500,000**
D. $1,500,000
Correct Answer: C
Rationale: Individuals face fines up to $500,000 and/or up to 12 months
imprisonment. $1,500,000 is the corporate maximum.
Question 4.
What is the maximum fine for a corporation convicted of a serious OHS offence in
Alberta?
A. $50,000
B. $500,000
C. $1,000,000
**D. $1,500,000**
Correct Answer: D
Rationale: Under the Alberta OHS Act, the maximum fine for a corporation is
$1,500,000.
Question 5.
What are the three factors of Due Diligence?
A. Foreseeability, Preventability, Control
B. Planning, Organizing, Leading
C. Awareness, Training, Enforcement
D. Inspection, Investigation, Correction
Correct Answer: A
,Rationale: The three factors of due diligence are foreseeability (could the hazard
have been anticipated), preventability (could it have been prevented), and control
(was there adequate control in place).
Question 6.
Which regulation governs workplace safety in Alberta?
A. Canadian Criminal Code
B. Alberta Occupational Health and Safety Act
C. Environmental Protection Act
D. Workers' Compensation Act
Correct Answer: B
Rationale: The Alberta OH&S Act sets standards for workplace safety on
construction sites. Other acts address different areas.
Question 7.
What is the definition of "reasonably practicable" under Alberta OHS legislation?
A. Only what is written in the code
B. What workers think is reasonable
C. What is reasonably capable of being done to ensure health and safety,
considering all relevant factors
D. What is cheapest for the employer
Correct Answer: C
Rationale: "Reasonably practicable" means what is reasonably capable of being
done to ensure health and safety, considering factors such as severity of harm,
knowledge of the hazard, and availability of solutions.
Question 8.
What are the workers' three basic rights in Canada?
A. Right to Know, Right to Participate, Right to Refuse
B. Right to Know, Right to Safety, Right to Compensation
, C. Right to Participate, Right to Compensation, Right to Training
D. Right to Refuse, Right to Appeal, Right to Information
Correct Answer: A
Rationale: The three fundamental rights of workers in Canada are the Right to
Know (about hazards), Right to Participate (in health and safety activities), and
Right to Refuse (unsafe work).
Question 9.
According to the Alberta OHS Code, fall protection is required at what height?
A. 1.5 metres (5 feet)
B. 3 metres (10 feet) or more
C. 4 metres (13 feet)
D. 6 metres (20 feet)
Correct Answer: B
Rationale: Under the Alberta OHS Code, fall protection is required when a worker
is exposed to a fall of 3 metres (10 feet) or more.
Question 10.
What is the minimum retention period for first aid records?
A. 1 year
B. 2 years
C. 3 years
D. 5 years
Correct Answer: C
Rationale: The minimum retention period for first aid records is 3 years.
Question 11.
How long must investigation reports be retained as per OH&S requirements?
A. 1 year
B. 2 years
National Construction Safety Officer (NCSO) Certification
2026/2027 Academic Year | Complete and Accurate
SECTION 1: OCCUPATIONAL HEALTH AND SAFETY LEGISLATION
Question 1.
Under the Alberta OHS Act, what is the "general duty clause" for employers?
A. To ensure the company remains profitable
B. To ensure, as far as reasonably practicable, the health and safety of
workers
C. To ensure all workers have a company vehicle
D. To ensure the company meets its production targets
Correct Answer: B
Rationale: Section 2(1) of the Alberta OHS Act establishes the employer's general
duty to protect workers. Profitability, vehicles, and production targets are not legal
duties under the Act.
Question 2.
What is the "Right to Refuse" process in Alberta OHS?
A. A worker can refuse any task without consequences
B. A worker can refuse work that they have reasonable grounds to believe is
dangerous
C. A worker can refuse work for any reason
D. A worker can refuse to wear PPE
Correct Answer: B
Rationale: The right to refuse applies to dangerous work. It is not for any task, any
reason, or refusing PPE. The refusal must be based on reasonable grounds.
,Question 3.
What is the maximum fine for an individual convicted of a serious OHS offence in
Alberta?
A. $5,000
B. $50,000
**C. $500,000**
D. $1,500,000
Correct Answer: C
Rationale: Individuals face fines up to $500,000 and/or up to 12 months
imprisonment. $1,500,000 is the corporate maximum.
Question 4.
What is the maximum fine for a corporation convicted of a serious OHS offence in
Alberta?
A. $50,000
B. $500,000
C. $1,000,000
**D. $1,500,000**
Correct Answer: D
Rationale: Under the Alberta OHS Act, the maximum fine for a corporation is
$1,500,000.
Question 5.
What are the three factors of Due Diligence?
A. Foreseeability, Preventability, Control
B. Planning, Organizing, Leading
C. Awareness, Training, Enforcement
D. Inspection, Investigation, Correction
Correct Answer: A
,Rationale: The three factors of due diligence are foreseeability (could the hazard
have been anticipated), preventability (could it have been prevented), and control
(was there adequate control in place).
Question 6.
Which regulation governs workplace safety in Alberta?
A. Canadian Criminal Code
B. Alberta Occupational Health and Safety Act
C. Environmental Protection Act
D. Workers' Compensation Act
Correct Answer: B
Rationale: The Alberta OH&S Act sets standards for workplace safety on
construction sites. Other acts address different areas.
Question 7.
What is the definition of "reasonably practicable" under Alberta OHS legislation?
A. Only what is written in the code
B. What workers think is reasonable
C. What is reasonably capable of being done to ensure health and safety,
considering all relevant factors
D. What is cheapest for the employer
Correct Answer: C
Rationale: "Reasonably practicable" means what is reasonably capable of being
done to ensure health and safety, considering factors such as severity of harm,
knowledge of the hazard, and availability of solutions.
Question 8.
What are the workers' three basic rights in Canada?
A. Right to Know, Right to Participate, Right to Refuse
B. Right to Know, Right to Safety, Right to Compensation
, C. Right to Participate, Right to Compensation, Right to Training
D. Right to Refuse, Right to Appeal, Right to Information
Correct Answer: A
Rationale: The three fundamental rights of workers in Canada are the Right to
Know (about hazards), Right to Participate (in health and safety activities), and
Right to Refuse (unsafe work).
Question 9.
According to the Alberta OHS Code, fall protection is required at what height?
A. 1.5 metres (5 feet)
B. 3 metres (10 feet) or more
C. 4 metres (13 feet)
D. 6 metres (20 feet)
Correct Answer: B
Rationale: Under the Alberta OHS Code, fall protection is required when a worker
is exposed to a fall of 3 metres (10 feet) or more.
Question 10.
What is the minimum retention period for first aid records?
A. 1 year
B. 2 years
C. 3 years
D. 5 years
Correct Answer: C
Rationale: The minimum retention period for first aid records is 3 years.
Question 11.
How long must investigation reports be retained as per OH&S requirements?
A. 1 year
B. 2 years
