1
APWA Certified Public Infrastructure Inspector (CPII) Exam — 100 Practice Questions &
Answers (2026–2027)
Section 1: General Construction Fundamentals & Safety (Questions 1–20)
1. What does APWA stand for?
A) Association of Public Works Administrators
B) American Public Water Association
C) American Public Works Association
D) Association of Professional Water Authorities
Answer: C. APWA stands for the American Public Works Association, which administers the
CPII certification program .
2. What is the primary role of a Certified Public Infrastructure Inspector (CPII)?
A) Design engineering
B) Construction inspection and quality assurance
C) Budget management
D) Project management
Answer: B. CPIIs focus on construction inspection, ensuring compliance with plans,
specifications, and standards .
3. Which document is typically the legal basis for construction contracts?
A) Project plans only
B) Technical specifications only
C) Contract documents (plans, specifications, and other contract provisions)
D) Verbal agreements
Answer: C. Contract documents, including plans and specifications, form the legal basis for
construction contracts .
4. What is the purpose of construction specifications?
A) To describe quality requirements
B) To establish contract requirements
C) To provide construction methods
D) All of the above
Answer: D. Specifications establish quality standards, contract requirements, and acceptable
construction methods .
5. Which three are standard symbols and classifications used by ASTM to identify soils?
A) Gravel (G), Sand (S), Clay (C)
B) Sand (S), Silt (M), Rock (R)
C) Sand (S), Rock (R), Clay (C)
D) Gravel (G), Sand (S), Rock (R)
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Answer: A. ASTM soil classification uses G for gravel, S for sand, and C for clay .
6. Which soil type is classified as cohesive soils with an unconfined compression strength
of 1.5 tons per square foot?
A) Type B
B) Type C
C) Type A
D) Type D
Answer: C. OSHA Type A represents cohesive soils with an unconfined compressive strength
of 1.5 tsf or greater .
7. Which of the following is true about permit-required confined spaces?
A) Contains or has the potential to contain a hazardous atmosphere
B) Does not contain a material that has the potential to engulf an entrant
C) Has walls that converge outward
D) Has walls that diverge inward
Answer: A. A permit-required confined space has one or more of: hazardous atmosphere,
engulfment potential, converging walls, or other recognized serious hazards .
8. At what percentage is an atmosphere considered oxygen-deficient?
A) >18.5%
B) >21%
C) <20.2%
D) <19.5%
Answer: D. An atmosphere is oxygen-deficient when oxygen levels fall below 19.5% .
9. At what depth does an excavation require a trench safety plan developed by a
professional engineer?
A) 5 feet
B) 10 feet
C) 15 feet
D) 20 feet
Answer: D. Excavations 20 feet or deeper require a protective system designed by a
registered professional engineer .
10. A "proof roll" is used to determine:
A) Depth of excavation
B) Subgrade stability
C) Grade of slope
D) Soil type
Answer: B. A proof roll is a load test used to identify unstable subgrade areas before paving .
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11. What is the purpose of a pre-construction meeting?
A) To establish authority and collect initial fees
B) To clarify project requirements, roles, responsibilities, and communication protocols
C) To immediately begin critical path inspections
D) To document all contractor deficiencies before work begins
Answer: B. A pre-construction meeting clarifies project requirements, roles, responsibilities,
and communication protocols among all parties .
12. What is the primary objective of conducting a pre-construction infrastructure
inspection?
A) To determine the contractor's financial capability
B) To identify existing conditions and establish a baseline for quality control
C) To terminate the construction contract if defects are found
D) To reduce the cost of project completion
Answer: B. Pre-construction inspections establish documented baseline conditions for
monitoring construction quality .
13. According to ASTM D1557, what does the standard test method determine?
A) Soil classification
B) Maximum dry density and optimum moisture content
C) Permeability
D) Atterberg limits
Answer: B. ASTM D1557 is the standard test method for laboratory compaction
characteristics of soil using modified effort .
14. Which of the following is NOT a component of the construction documents an
inspector must review?
A) Plans and specifications
B) Contract drawings
C) Inspector's personal safety equipment preferences
D) Technical specifications and standards
Answer: C. Personal safety equipment preferences are not part of the official construction
documents .
15. What is the purpose of a "punch list" during final walk-through?
A) To identify items that must be corrected before final acceptance
B) To list all materials used on the project
C) To record the names of all subcontractors
D) To document the final payment amount
Answer: A. A punch list enumerates deficiencies that need correction prior to project
closeout .
APWA Certified Public Infrastructure Inspector (CPII) Exam — 100 Practice Questions &
Answers (2026–2027)
Section 1: General Construction Fundamentals & Safety (Questions 1–20)
1. What does APWA stand for?
A) Association of Public Works Administrators
B) American Public Water Association
C) American Public Works Association
D) Association of Professional Water Authorities
Answer: C. APWA stands for the American Public Works Association, which administers the
CPII certification program .
2. What is the primary role of a Certified Public Infrastructure Inspector (CPII)?
A) Design engineering
B) Construction inspection and quality assurance
C) Budget management
D) Project management
Answer: B. CPIIs focus on construction inspection, ensuring compliance with plans,
specifications, and standards .
3. Which document is typically the legal basis for construction contracts?
A) Project plans only
B) Technical specifications only
C) Contract documents (plans, specifications, and other contract provisions)
D) Verbal agreements
Answer: C. Contract documents, including plans and specifications, form the legal basis for
construction contracts .
4. What is the purpose of construction specifications?
A) To describe quality requirements
B) To establish contract requirements
C) To provide construction methods
D) All of the above
Answer: D. Specifications establish quality standards, contract requirements, and acceptable
construction methods .
5. Which three are standard symbols and classifications used by ASTM to identify soils?
A) Gravel (G), Sand (S), Clay (C)
B) Sand (S), Silt (M), Rock (R)
C) Sand (S), Rock (R), Clay (C)
D) Gravel (G), Sand (S), Rock (R)
, 2
Answer: A. ASTM soil classification uses G for gravel, S for sand, and C for clay .
6. Which soil type is classified as cohesive soils with an unconfined compression strength
of 1.5 tons per square foot?
A) Type B
B) Type C
C) Type A
D) Type D
Answer: C. OSHA Type A represents cohesive soils with an unconfined compressive strength
of 1.5 tsf or greater .
7. Which of the following is true about permit-required confined spaces?
A) Contains or has the potential to contain a hazardous atmosphere
B) Does not contain a material that has the potential to engulf an entrant
C) Has walls that converge outward
D) Has walls that diverge inward
Answer: A. A permit-required confined space has one or more of: hazardous atmosphere,
engulfment potential, converging walls, or other recognized serious hazards .
8. At what percentage is an atmosphere considered oxygen-deficient?
A) >18.5%
B) >21%
C) <20.2%
D) <19.5%
Answer: D. An atmosphere is oxygen-deficient when oxygen levels fall below 19.5% .
9. At what depth does an excavation require a trench safety plan developed by a
professional engineer?
A) 5 feet
B) 10 feet
C) 15 feet
D) 20 feet
Answer: D. Excavations 20 feet or deeper require a protective system designed by a
registered professional engineer .
10. A "proof roll" is used to determine:
A) Depth of excavation
B) Subgrade stability
C) Grade of slope
D) Soil type
Answer: B. A proof roll is a load test used to identify unstable subgrade areas before paving .
, 3
11. What is the purpose of a pre-construction meeting?
A) To establish authority and collect initial fees
B) To clarify project requirements, roles, responsibilities, and communication protocols
C) To immediately begin critical path inspections
D) To document all contractor deficiencies before work begins
Answer: B. A pre-construction meeting clarifies project requirements, roles, responsibilities,
and communication protocols among all parties .
12. What is the primary objective of conducting a pre-construction infrastructure
inspection?
A) To determine the contractor's financial capability
B) To identify existing conditions and establish a baseline for quality control
C) To terminate the construction contract if defects are found
D) To reduce the cost of project completion
Answer: B. Pre-construction inspections establish documented baseline conditions for
monitoring construction quality .
13. According to ASTM D1557, what does the standard test method determine?
A) Soil classification
B) Maximum dry density and optimum moisture content
C) Permeability
D) Atterberg limits
Answer: B. ASTM D1557 is the standard test method for laboratory compaction
characteristics of soil using modified effort .
14. Which of the following is NOT a component of the construction documents an
inspector must review?
A) Plans and specifications
B) Contract drawings
C) Inspector's personal safety equipment preferences
D) Technical specifications and standards
Answer: C. Personal safety equipment preferences are not part of the official construction
documents .
15. What is the purpose of a "punch list" during final walk-through?
A) To identify items that must be corrected before final acceptance
B) To list all materials used on the project
C) To record the names of all subcontractors
D) To document the final payment amount
Answer: A. A punch list enumerates deficiencies that need correction prior to project
closeout .
