North Dakota (ND) Sewer and Water Contractors
Exam
Question 1. Which of the following best describes the primary role of a sewer and water contractor?
A) Designing building layouts
B) Installing, repairing, and maintaining sewer and water infrastructure
C) Managing municipal budgets
D) Enforcing environmental regulations
Answer: B
Explanation: Sewer and water contractors are responsible for the installation, repair, and maintenance
of sewer and water systems, ensuring proper functioning and compliance with standards.
Question 2. Why is professional conduct particularly important in sewer and water contracting?
A) To reduce project costs
B) To ensure safety, compliance, and public trust
C) To expedite project timelines
D) To avoid licensing requirements
Answer: B
Explanation: Professional conduct ensures safety, adherence to regulations, quality of work, and
maintains public trust in infrastructure projects.
Question 3. Which of the following best defines the scope of work in sewer and water projects?
A) Only installation of pipes
B) Planning, design, installation, inspection, and maintenance of sewer and water systems
C) Only inspection of existing systems
D) Exclusive focus on environmental impact assessments
Answer: B
Explanation: The scope includes planning, designing, installing, inspecting, and maintaining sewer and
water infrastructure to ensure system integrity and compliance.
Question 4. Under which North Dakota law are construction and public works regulations primarily
governed?
A) North Dakota Century Code (NDCC)
,North Dakota (ND) Sewer and Water Contractors
Exam
B) North Dakota Administrative Rules (ARND)
C) North Dakota Municipal Ordinances
D) Federal OSHA Regulations
Answer: A
Explanation: NDCC contains the primary statutes governing construction, public works, and
environmental protections in North Dakota.
Question 5. Which federal regulation specifically addresses trenching and excavation safety for
construction workers?
A) EPA Clean Water Act
B) OSHA 29 CFR 1926 Subpart P
C) NFPA Standards
D) ASTM Standards
Answer: B
Explanation: OSHA 29 CFR 1926 Subpart P provides safety requirements for trenching and excavation
activities in construction.
Question 6. The Clean Water Act (CWA) primarily aims to:
A) Regulate air emissions from construction equipment
B) Protect surface waters from pollution
C) Control groundwater extraction
D) Enforce workplace safety standards
Answer: B
Explanation: The CWA aims to restore and maintain the integrity of the nation's surface waters by
preventing pollution.
Question 7. The American Water Works Association (AWWA) standards are used to guide:
A) Sewer system design and installation
B) Water system design, materials, and operation
C) Environmental impact assessments
, North Dakota (ND) Sewer and Water Contractors
Exam
D) Traffic control procedures
Answer: B
Explanation: AWWA standards focus on the design, installation, and maintenance of water systems,
including materials and operational practices.
Question 8. Which OSHA regulation pertains specifically to permit-required confined spaces?
A) OSHA 29 CFR 1910.146
B) OSHA 29 CFR 1926 Subpart P
C) OSHA 29 CFR 1910.120
D) OSHA 29 CFR 1926.651
Answer: A
Explanation: OSHA 29 CFR 1910.146 sets requirements for permit-required confined spaces, including
identification, entry procedures, and rescue.
Question 9. What is the primary purpose of a trench shield or shield system in excavation?
A) To strengthen the soil
B) To prevent soil collapse and protect workers
C) To facilitate pipe laying
D) To contain excavation debris
Answer: B
Explanation: Shield systems protect workers from trench collapses, ensuring safety during excavation
work.
Question 10. Which soil classification is most likely to require shoring or shielding during excavation?
A) Stable rock
B) Stable soil
C) Unstable or soft soils
D) Well-compacted gravel
Answer: C
, North Dakota (ND) Sewer and Water Contractors
Exam
Explanation: Unstable or soft soils are prone to collapse and require shoring or shielding for safe
excavation.
Question 11. What is a key responsibility of a "competent person" in trenching operations?
A) Supervising only administrative tasks
B) Inspecting trenches and protective systems regularly
C) Operating excavators
D) Designing sewer systems
Answer: B
Explanation: A competent person must inspect trenches and protective systems regularly to ensure
safety compliance.
Question 12. Which of the following is NOT a typical component of a confined space entry procedure?
A) Atmospheric testing
B) Continuous ventilation
C) Lockout/tagout of electrical equipment
D) Ignoring atmospheric hazards
Answer: D
Explanation: Ignoring atmospheric hazards contradicts safety protocols; proper procedures include
testing and ventilation.
Question 13. The primary function of personal protective equipment (PPE) in sewer and water work is
to:
A) Improve productivity
B) Protect workers from hazards like chemicals, noise, and physical injury
C) Comply with administrative paperwork
D) Serve as a fashion statement
Answer: B
Explanation: PPE protects workers from chemical, physical, and environmental hazards encountered
during sewer and water projects.
Exam
Question 1. Which of the following best describes the primary role of a sewer and water contractor?
A) Designing building layouts
B) Installing, repairing, and maintaining sewer and water infrastructure
C) Managing municipal budgets
D) Enforcing environmental regulations
Answer: B
Explanation: Sewer and water contractors are responsible for the installation, repair, and maintenance
of sewer and water systems, ensuring proper functioning and compliance with standards.
Question 2. Why is professional conduct particularly important in sewer and water contracting?
A) To reduce project costs
B) To ensure safety, compliance, and public trust
C) To expedite project timelines
D) To avoid licensing requirements
Answer: B
Explanation: Professional conduct ensures safety, adherence to regulations, quality of work, and
maintains public trust in infrastructure projects.
Question 3. Which of the following best defines the scope of work in sewer and water projects?
A) Only installation of pipes
B) Planning, design, installation, inspection, and maintenance of sewer and water systems
C) Only inspection of existing systems
D) Exclusive focus on environmental impact assessments
Answer: B
Explanation: The scope includes planning, designing, installing, inspecting, and maintaining sewer and
water infrastructure to ensure system integrity and compliance.
Question 4. Under which North Dakota law are construction and public works regulations primarily
governed?
A) North Dakota Century Code (NDCC)
,North Dakota (ND) Sewer and Water Contractors
Exam
B) North Dakota Administrative Rules (ARND)
C) North Dakota Municipal Ordinances
D) Federal OSHA Regulations
Answer: A
Explanation: NDCC contains the primary statutes governing construction, public works, and
environmental protections in North Dakota.
Question 5. Which federal regulation specifically addresses trenching and excavation safety for
construction workers?
A) EPA Clean Water Act
B) OSHA 29 CFR 1926 Subpart P
C) NFPA Standards
D) ASTM Standards
Answer: B
Explanation: OSHA 29 CFR 1926 Subpart P provides safety requirements for trenching and excavation
activities in construction.
Question 6. The Clean Water Act (CWA) primarily aims to:
A) Regulate air emissions from construction equipment
B) Protect surface waters from pollution
C) Control groundwater extraction
D) Enforce workplace safety standards
Answer: B
Explanation: The CWA aims to restore and maintain the integrity of the nation's surface waters by
preventing pollution.
Question 7. The American Water Works Association (AWWA) standards are used to guide:
A) Sewer system design and installation
B) Water system design, materials, and operation
C) Environmental impact assessments
, North Dakota (ND) Sewer and Water Contractors
Exam
D) Traffic control procedures
Answer: B
Explanation: AWWA standards focus on the design, installation, and maintenance of water systems,
including materials and operational practices.
Question 8. Which OSHA regulation pertains specifically to permit-required confined spaces?
A) OSHA 29 CFR 1910.146
B) OSHA 29 CFR 1926 Subpart P
C) OSHA 29 CFR 1910.120
D) OSHA 29 CFR 1926.651
Answer: A
Explanation: OSHA 29 CFR 1910.146 sets requirements for permit-required confined spaces, including
identification, entry procedures, and rescue.
Question 9. What is the primary purpose of a trench shield or shield system in excavation?
A) To strengthen the soil
B) To prevent soil collapse and protect workers
C) To facilitate pipe laying
D) To contain excavation debris
Answer: B
Explanation: Shield systems protect workers from trench collapses, ensuring safety during excavation
work.
Question 10. Which soil classification is most likely to require shoring or shielding during excavation?
A) Stable rock
B) Stable soil
C) Unstable or soft soils
D) Well-compacted gravel
Answer: C
, North Dakota (ND) Sewer and Water Contractors
Exam
Explanation: Unstable or soft soils are prone to collapse and require shoring or shielding for safe
excavation.
Question 11. What is a key responsibility of a "competent person" in trenching operations?
A) Supervising only administrative tasks
B) Inspecting trenches and protective systems regularly
C) Operating excavators
D) Designing sewer systems
Answer: B
Explanation: A competent person must inspect trenches and protective systems regularly to ensure
safety compliance.
Question 12. Which of the following is NOT a typical component of a confined space entry procedure?
A) Atmospheric testing
B) Continuous ventilation
C) Lockout/tagout of electrical equipment
D) Ignoring atmospheric hazards
Answer: D
Explanation: Ignoring atmospheric hazards contradicts safety protocols; proper procedures include
testing and ventilation.
Question 13. The primary function of personal protective equipment (PPE) in sewer and water work is
to:
A) Improve productivity
B) Protect workers from hazards like chemicals, noise, and physical injury
C) Comply with administrative paperwork
D) Serve as a fashion statement
Answer: B
Explanation: PPE protects workers from chemical, physical, and environmental hazards encountered
during sewer and water projects.
