ACSA NCSO - COMPLETE PRACTICE QUESTION BANK
(200 QUESTIONS)
Certification: National Construction Safety Officer (NCSO)
Jurisdiction: Alberta (OHS Act, Regulation & Code)
Academic Cycle: 2025/2026 Edition
Total Questions: 200
Format: Multiple Choice | Correct Answers in Bold-Italic | Rationales in Italic
Suitable for: Stuvia, Exam Prep, & Distinction-Level Revision
SECTION 1: OHS LEGISLATION & FRAMEWORK (Q1–Q30)
Question 1:
Under the Alberta OHS Act, what is the PRIMARY duty of an employer?
A) To ensure the profitability of the company.
B) To ensure, as far as reasonably practicable, the health and safety of workers.
C) To provide workers with free lunches.
D) To ensure all workers have company vehicles.
,*Correct Answer: B
(To ensure, as far as reasonably practicable, the health and safety of workers.)
Rationale:
Section 2(1) of the Alberta OHS Act establishes the employer's primary duty to protect
workers. Profitability (A), lunches (C), and vehicles (D) are not legal duties under the Act.
Question 2:
What is the "Internal Responsibility System" (IRS)?
A) A system where only management is responsible for safety.
B) A system where everyone in the workplace – employers, supervisors, and workers –
shares responsibility for safety.
C) A system where workers have no safety duties.
D) A system where external consultants manage all safety.
*Correct Answer: B
(A system where everyone in the workplace – employers, supervisors, and workers – shares
responsibility for safety.)
Rationale:
The IRS is foundational to Canadian OHS. It emphasizes shared responsibility. It does not
place responsibility solely on management (A), exclude workers (C), or rely on external
consultants (D).
Question 3:
Under the Alberta OHS Act, a "Supervisor" is defined as:
A) Anyone who has been with the company for over 10 years.
B) A person who is in charge of a work site and has authority over workers.
C) Any worker who earns more than $50,000 per year.
D) The owner of the company only.
*Correct Answer: B
(A person who is in charge of a work site and has authority over workers.)
,Rationale:
The OHS Act defines a supervisor as someone with charge and authority. Tenure (A),
salary (C), and ownership (D) are not the defining criteria.
Question 4:
Which of the following is a worker's RIGHT under the Alberta OHS Act?
A) The right to refuse dangerous work.
B) The right to work overtime without pay.
C) The right to ignore safety training.
D) The right to operate any equipment without training.
*Correct Answer: A
(The right to refuse dangerous work.)
Rationale:
Workers have three fundamental rights: the right to know, the right to participate, and the
right to refuse dangerous work. Overtime without pay (B), ignoring training (C), and
untrained operation (D) are not rights.
Question 5:
When a worker exercises their right to refuse work, what must they do FIRST?
A) Leave the site immediately without telling anyone.
B) Report the refusal to their supervisor.
C) Call the police.
D) Write a letter to the CEO.
*Correct Answer: B
(Report the refusal to their supervisor.)
Rationale:
The process begins with notifying the supervisor. Leaving without notice (A) is not the
proper procedure. Police (C) and CEO letters (D) are not required first steps.
, Question 6:
What is the maximum penalty for a corporation found guilty of a serious OHS offence in
Alberta?
A) $500.
B) $5,000.
C) $500,000.
D) $1,500,000.
*Correct Answer: D
($1,500,000.)
Rationale:
Under the Alberta OHS Act, the maximum fine for a corporation is $1,500,000. The other
amounts are too low for serious offences.
Question 7:
What is the maximum penalty for an individual (e.g., supervisor or worker) found guilty
of a serious OHS offence?
A) $100.
B) $500.
C) $5,000.
D) $500,000.
*Correct Answer: D
($500,000.)
Rationale:
Individuals face fines up to $500,000 and/or up to 12 months imprisonment. The other
amounts are too low for serious offences.
(200 QUESTIONS)
Certification: National Construction Safety Officer (NCSO)
Jurisdiction: Alberta (OHS Act, Regulation & Code)
Academic Cycle: 2025/2026 Edition
Total Questions: 200
Format: Multiple Choice | Correct Answers in Bold-Italic | Rationales in Italic
Suitable for: Stuvia, Exam Prep, & Distinction-Level Revision
SECTION 1: OHS LEGISLATION & FRAMEWORK (Q1–Q30)
Question 1:
Under the Alberta OHS Act, what is the PRIMARY duty of an employer?
A) To ensure the profitability of the company.
B) To ensure, as far as reasonably practicable, the health and safety of workers.
C) To provide workers with free lunches.
D) To ensure all workers have company vehicles.
,*Correct Answer: B
(To ensure, as far as reasonably practicable, the health and safety of workers.)
Rationale:
Section 2(1) of the Alberta OHS Act establishes the employer's primary duty to protect
workers. Profitability (A), lunches (C), and vehicles (D) are not legal duties under the Act.
Question 2:
What is the "Internal Responsibility System" (IRS)?
A) A system where only management is responsible for safety.
B) A system where everyone in the workplace – employers, supervisors, and workers –
shares responsibility for safety.
C) A system where workers have no safety duties.
D) A system where external consultants manage all safety.
*Correct Answer: B
(A system where everyone in the workplace – employers, supervisors, and workers – shares
responsibility for safety.)
Rationale:
The IRS is foundational to Canadian OHS. It emphasizes shared responsibility. It does not
place responsibility solely on management (A), exclude workers (C), or rely on external
consultants (D).
Question 3:
Under the Alberta OHS Act, a "Supervisor" is defined as:
A) Anyone who has been with the company for over 10 years.
B) A person who is in charge of a work site and has authority over workers.
C) Any worker who earns more than $50,000 per year.
D) The owner of the company only.
*Correct Answer: B
(A person who is in charge of a work site and has authority over workers.)
,Rationale:
The OHS Act defines a supervisor as someone with charge and authority. Tenure (A),
salary (C), and ownership (D) are not the defining criteria.
Question 4:
Which of the following is a worker's RIGHT under the Alberta OHS Act?
A) The right to refuse dangerous work.
B) The right to work overtime without pay.
C) The right to ignore safety training.
D) The right to operate any equipment without training.
*Correct Answer: A
(The right to refuse dangerous work.)
Rationale:
Workers have three fundamental rights: the right to know, the right to participate, and the
right to refuse dangerous work. Overtime without pay (B), ignoring training (C), and
untrained operation (D) are not rights.
Question 5:
When a worker exercises their right to refuse work, what must they do FIRST?
A) Leave the site immediately without telling anyone.
B) Report the refusal to their supervisor.
C) Call the police.
D) Write a letter to the CEO.
*Correct Answer: B
(Report the refusal to their supervisor.)
Rationale:
The process begins with notifying the supervisor. Leaving without notice (A) is not the
proper procedure. Police (C) and CEO letters (D) are not required first steps.
, Question 6:
What is the maximum penalty for a corporation found guilty of a serious OHS offence in
Alberta?
A) $500.
B) $5,000.
C) $500,000.
D) $1,500,000.
*Correct Answer: D
($1,500,000.)
Rationale:
Under the Alberta OHS Act, the maximum fine for a corporation is $1,500,000. The other
amounts are too low for serious offences.
Question 7:
What is the maximum penalty for an individual (e.g., supervisor or worker) found guilty
of a serious OHS offence?
A) $100.
B) $500.
C) $5,000.
D) $500,000.
*Correct Answer: D
($500,000.)
Rationale:
Individuals face fines up to $500,000 and/or up to 12 months imprisonment. The other
amounts are too low for serious offences.
