APWA Certified Public Works Professional – Supervision
(CPWP-S) Practice Exam 100 Questions with Detailed
Explanations
Q1. According to APWA's Code of Ethics, a public works supervisor's primary responsibility is to:
A) Maximize departmental budget utilization
B) Ensure public safety and welfare
C) Minimize employee complaints
D) Reduce operational costs
ANSWER: B
EXPLANATION: APWA's Code of Ethics states that public works professionals have a fundamental
responsibility to protect public health, safety, and welfare. This supersedes all other
considerations in decision-making.
Q2. When implementing a change in work procedures, the MOST effective first step is to:
A) Issue new written policies immediately
B) Discuss the change with affected employees
C) Implement the change on a trial basis
D) Train supervisors first, then employees
ANSWER: B
EXPLANATION: Change management principles emphasize involving affected employees early in
the process. Discussion allows for input, identifies potential issues, and increases buy-in, making
implementation more successful.
,Q3. The OSHA regulation requiring a written safety program for workplaces with hazardous
chemicals is known as:
A) Hazard Communication Standard (HCS)
B) Process Safety Management (PSM)
C) Personal Protective Equipment (PPE) Standard
D) Lockout/Tagout Standard
ANSWER: A
EXPLANATION: OSHA's Hazard Communication Standard (29 CFR 1910.1200) requires employers
to have a written hazard communication program when hazardous chemicals are present in the
workplace.
Q4. A supervisor discovers an employee has been falsifying timesheets. The FIRST action should
be to:
A) Confront the employee immediately
B) Document the evidence thoroughly
C) Consult with HR and legal departments
D) Suspend the employee pending investigation
ANSWER: B
EXPLANATION: Documentation is critical in disciplinary situations. Before taking any action,
gather and document all evidence to support the allegations, ensuring due process and
protecting against legal challenges.
Q5. According to FLSA, exempt employees must generally be paid:
A) Hourly wages with overtime
B) Salary basis regardless of hours worked
C) Commission-based compensation
,D) Salary plus performance bonuses
ANSWER: B
EXPLANATION: The Fair Labor Standards Act (FLSA) requires exempt employees to be paid on a
salary basis of at least $684 per week (2023 threshold) regardless of the number of hours
worked.
Q6. The "span of control" principle suggests that one supervisor can effectively manage:
A) 3-5 employees
B) 5-10 employees
C) 10-15 employees
D) 15-20 employees
ANSWER: B
EXPLANATION: Span of control refers to the number of subordinates one supervisor can
effectively manage. While it varies by situation, 5-10 is commonly accepted for complex work
requiring significant supervision.
Q7. When conducting performance evaluations, supervisors should:
A) Focus only on recent performance
B) Compare employees against each other
C) Document specific examples of behavior
D) Share ratings but not specific feedback
ANSWER: C
EXPLANATION: Effective performance evaluations use specific, documented examples of
behavior and results. This makes feedback objective, actionable, and defensible if challenged.
, Q8. According to the Americans with Disabilities Act (ADA), reasonable accommodation may
include:
A) Lowering performance standards
B) Eliminating essential job functions
C) Modifying work schedules
D) Guaranteeing promotion opportunities
ANSWER: C
EXPLANATION: Reasonable accommodations under ADA include modifications like adjusted
work schedules, job restructuring, or modified equipment, but not lowering performance
standards or eliminating essential functions.
Q9. The primary purpose of a Material Safety Data Sheet (MSDS/SDS) is to:
A) Track chemical inventory
B) Provide emergency and safety information
C) Document chemical purchases
D) Calculate chemical usage rates
ANSWER: B
EXPLANATION: Safety Data Sheets (formerly MSDS) provide comprehensive information about
chemical hazards, safe handling procedures, emergency measures, and protective equipment
requirements.
Q10. In public procurement, the "lowest responsible bidder" means:
A) The bidder with the lowest price
B) The bidder meeting all specifications at lowest cost
(CPWP-S) Practice Exam 100 Questions with Detailed
Explanations
Q1. According to APWA's Code of Ethics, a public works supervisor's primary responsibility is to:
A) Maximize departmental budget utilization
B) Ensure public safety and welfare
C) Minimize employee complaints
D) Reduce operational costs
ANSWER: B
EXPLANATION: APWA's Code of Ethics states that public works professionals have a fundamental
responsibility to protect public health, safety, and welfare. This supersedes all other
considerations in decision-making.
Q2. When implementing a change in work procedures, the MOST effective first step is to:
A) Issue new written policies immediately
B) Discuss the change with affected employees
C) Implement the change on a trial basis
D) Train supervisors first, then employees
ANSWER: B
EXPLANATION: Change management principles emphasize involving affected employees early in
the process. Discussion allows for input, identifies potential issues, and increases buy-in, making
implementation more successful.
,Q3. The OSHA regulation requiring a written safety program for workplaces with hazardous
chemicals is known as:
A) Hazard Communication Standard (HCS)
B) Process Safety Management (PSM)
C) Personal Protective Equipment (PPE) Standard
D) Lockout/Tagout Standard
ANSWER: A
EXPLANATION: OSHA's Hazard Communication Standard (29 CFR 1910.1200) requires employers
to have a written hazard communication program when hazardous chemicals are present in the
workplace.
Q4. A supervisor discovers an employee has been falsifying timesheets. The FIRST action should
be to:
A) Confront the employee immediately
B) Document the evidence thoroughly
C) Consult with HR and legal departments
D) Suspend the employee pending investigation
ANSWER: B
EXPLANATION: Documentation is critical in disciplinary situations. Before taking any action,
gather and document all evidence to support the allegations, ensuring due process and
protecting against legal challenges.
Q5. According to FLSA, exempt employees must generally be paid:
A) Hourly wages with overtime
B) Salary basis regardless of hours worked
C) Commission-based compensation
,D) Salary plus performance bonuses
ANSWER: B
EXPLANATION: The Fair Labor Standards Act (FLSA) requires exempt employees to be paid on a
salary basis of at least $684 per week (2023 threshold) regardless of the number of hours
worked.
Q6. The "span of control" principle suggests that one supervisor can effectively manage:
A) 3-5 employees
B) 5-10 employees
C) 10-15 employees
D) 15-20 employees
ANSWER: B
EXPLANATION: Span of control refers to the number of subordinates one supervisor can
effectively manage. While it varies by situation, 5-10 is commonly accepted for complex work
requiring significant supervision.
Q7. When conducting performance evaluations, supervisors should:
A) Focus only on recent performance
B) Compare employees against each other
C) Document specific examples of behavior
D) Share ratings but not specific feedback
ANSWER: C
EXPLANATION: Effective performance evaluations use specific, documented examples of
behavior and results. This makes feedback objective, actionable, and defensible if challenged.
, Q8. According to the Americans with Disabilities Act (ADA), reasonable accommodation may
include:
A) Lowering performance standards
B) Eliminating essential job functions
C) Modifying work schedules
D) Guaranteeing promotion opportunities
ANSWER: C
EXPLANATION: Reasonable accommodations under ADA include modifications like adjusted
work schedules, job restructuring, or modified equipment, but not lowering performance
standards or eliminating essential functions.
Q9. The primary purpose of a Material Safety Data Sheet (MSDS/SDS) is to:
A) Track chemical inventory
B) Provide emergency and safety information
C) Document chemical purchases
D) Calculate chemical usage rates
ANSWER: B
EXPLANATION: Safety Data Sheets (formerly MSDS) provide comprehensive information about
chemical hazards, safe handling procedures, emergency measures, and protective equipment
requirements.
Q10. In public procurement, the "lowest responsible bidder" means:
A) The bidder with the lowest price
B) The bidder meeting all specifications at lowest cost
