NASSCO Pipeline Assessment Certification
Program (PACP) Exam Questions and Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. The primary purpose of the PACP is to
A. certify pipeline installers
B. standardize sewer cleaning methods
C. provide a uniform method for pipeline condition assessment
D. regulate wastewater treatment plants
Answer: C
Rationale: PACP establishes consistent inspection, coding, and
grading of pipeline conditions.
2. PACP inspections are primarily performed using
A. manned entry inspections
B. smoke testing
C. CCTV inspection equipment
D. sonar only
Answer: C
Rationale: PACP is based on closed-circuit television inspections of
pipelines.
3. Which pipe material is commonly assessed under PACP?
A. Concrete
B. PVC
C. Vitrified clay
D. All of the above
Answer: D
, Rationale: PACP applies to all common gravity sewer pipe
materials.
4. In PACP, a defect that affects the ability of the pipe to convey flow
is classified as
A. construction feature
B. maintenance feature
C. structural defect
D. operational note
Answer: C
Rationale: Structural defects directly impact pipe integrity and
flow capacity.
5. The PACP grading system assigns grades on a scale of
A. 1 to 3
B. 1 to 4
C. 1 to 5
D. 1 to 10
Answer: C
Rationale: PACP uses a 1–5 severity grading scale.
6. A Grade 5 defect indicates
A. minor condition
B. moderate deterioration
C. significant but stable condition
D. immediate attention required
Answer: D
Rationale: Grade 5 represents the most severe condition needing
urgent action.
7. Which feature is considered a construction feature in PACP?
A. Crack
B. Joint offset
, C. Service connection
D. Root intrusion
Answer: C
Rationale: Service connections are installed features, not defects.
8. Roots observed entering a pipeline are classified as
A. structural defects
B. maintenance defects
C. construction features
D. observation notes
Answer: B
Rationale: Root intrusion is a maintenance-related defect.
9. A longitudinal crack running along the pipe wall is coded as
A. circumferential crack
B. longitudinal crack
C. fracture
D. break
Answer: B
Rationale: PACP distinguishes crack orientation for accurate
coding.
10. The clock position system in PACP is used to
A. determine inspection time
B. identify pipe slope
C. describe defect location within the pipe
D. measure pipe diameter
Answer: C
Rationale: Clock positions indicate where a defect is located
around the pipe.
11. In PACP, 12 o’clock represents
A. the pipe invert
Program (PACP) Exam Questions and Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. The primary purpose of the PACP is to
A. certify pipeline installers
B. standardize sewer cleaning methods
C. provide a uniform method for pipeline condition assessment
D. regulate wastewater treatment plants
Answer: C
Rationale: PACP establishes consistent inspection, coding, and
grading of pipeline conditions.
2. PACP inspections are primarily performed using
A. manned entry inspections
B. smoke testing
C. CCTV inspection equipment
D. sonar only
Answer: C
Rationale: PACP is based on closed-circuit television inspections of
pipelines.
3. Which pipe material is commonly assessed under PACP?
A. Concrete
B. PVC
C. Vitrified clay
D. All of the above
Answer: D
, Rationale: PACP applies to all common gravity sewer pipe
materials.
4. In PACP, a defect that affects the ability of the pipe to convey flow
is classified as
A. construction feature
B. maintenance feature
C. structural defect
D. operational note
Answer: C
Rationale: Structural defects directly impact pipe integrity and
flow capacity.
5. The PACP grading system assigns grades on a scale of
A. 1 to 3
B. 1 to 4
C. 1 to 5
D. 1 to 10
Answer: C
Rationale: PACP uses a 1–5 severity grading scale.
6. A Grade 5 defect indicates
A. minor condition
B. moderate deterioration
C. significant but stable condition
D. immediate attention required
Answer: D
Rationale: Grade 5 represents the most severe condition needing
urgent action.
7. Which feature is considered a construction feature in PACP?
A. Crack
B. Joint offset
, C. Service connection
D. Root intrusion
Answer: C
Rationale: Service connections are installed features, not defects.
8. Roots observed entering a pipeline are classified as
A. structural defects
B. maintenance defects
C. construction features
D. observation notes
Answer: B
Rationale: Root intrusion is a maintenance-related defect.
9. A longitudinal crack running along the pipe wall is coded as
A. circumferential crack
B. longitudinal crack
C. fracture
D. break
Answer: B
Rationale: PACP distinguishes crack orientation for accurate
coding.
10. The clock position system in PACP is used to
A. determine inspection time
B. identify pipe slope
C. describe defect location within the pipe
D. measure pipe diameter
Answer: C
Rationale: Clock positions indicate where a defect is located
around the pipe.
11. In PACP, 12 o’clock represents
A. the pipe invert
