NASSCO Pipeline Assessment Certification
Program (PACP) Questions With Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. What is the primary purpose of the PACP coding system?
A. To design new sewer systems
B. To standardize pipeline inspection data
C. To repair damaged pipelines
D. To train construction workers
Answer: B
Rationale: PACP provides a standardized method for collecting
and coding pipeline condition data, ensuring consistency and
reliability across inspections.
2. Which type of inspection is most commonly used in PACP?
A. Manual entry inspection
B. CCTV inspection
C. Drone inspection
, D. Acoustic inspection
Answer: B
Rationale: Closed-Circuit Television (CCTV) is the standard
inspection method used in PACP for visual assessment of
pipelines.
3. What does a structural defect primarily affect?
A. Flow capacity
B. Pipe integrity
C. Water quality
D. Odor levels
Answer: B
Rationale: Structural defects impact the physical condition and
strength of the pipe, potentially leading to collapse.
4. Which code category describes operational issues?
A. O&M
B. STR
C. OBS
D. HYD
Answer: A
, Rationale: O&M (Operations and Maintenance) codes identify
issues affecting system performance, such as blockages.
5. What is infiltration in pipeline terms?
A. Water leaking out of the pipe
B. Debris entering the pipe
C. Groundwater entering the pipe
D. Air entering the pipe
Answer: C
Rationale: Infiltration refers to groundwater entering the sewer
system through defects.
6. What does a Grade 5 defect indicate?
A. Minor issue
B. Moderate issue
C. Severe defect
D. No defect
Answer: C
Rationale: Grade 5 represents the most severe condition,
requiring immediate attention.
, 7. What is the purpose of a manhole inspection?
A. To measure pipe flow
B. To assess access points and structures
C. To install new pipes
D. To monitor pressure
Answer: B
Rationale: Manhole inspections evaluate structural and
operational conditions of access points.
8. Which defect involves cracking along the pipe wall?
A. Fracture
B. Break
C. Collapse
D. Deformation
Answer: A
Rationale: A fracture refers to cracks that may compromise
structural integrity.
9. What is the first step in a CCTV inspection?
A. Coding defects
B. Cleaning the pipeline
Program (PACP) Questions With Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. What is the primary purpose of the PACP coding system?
A. To design new sewer systems
B. To standardize pipeline inspection data
C. To repair damaged pipelines
D. To train construction workers
Answer: B
Rationale: PACP provides a standardized method for collecting
and coding pipeline condition data, ensuring consistency and
reliability across inspections.
2. Which type of inspection is most commonly used in PACP?
A. Manual entry inspection
B. CCTV inspection
C. Drone inspection
, D. Acoustic inspection
Answer: B
Rationale: Closed-Circuit Television (CCTV) is the standard
inspection method used in PACP for visual assessment of
pipelines.
3. What does a structural defect primarily affect?
A. Flow capacity
B. Pipe integrity
C. Water quality
D. Odor levels
Answer: B
Rationale: Structural defects impact the physical condition and
strength of the pipe, potentially leading to collapse.
4. Which code category describes operational issues?
A. O&M
B. STR
C. OBS
D. HYD
Answer: A
, Rationale: O&M (Operations and Maintenance) codes identify
issues affecting system performance, such as blockages.
5. What is infiltration in pipeline terms?
A. Water leaking out of the pipe
B. Debris entering the pipe
C. Groundwater entering the pipe
D. Air entering the pipe
Answer: C
Rationale: Infiltration refers to groundwater entering the sewer
system through defects.
6. What does a Grade 5 defect indicate?
A. Minor issue
B. Moderate issue
C. Severe defect
D. No defect
Answer: C
Rationale: Grade 5 represents the most severe condition,
requiring immediate attention.
, 7. What is the purpose of a manhole inspection?
A. To measure pipe flow
B. To assess access points and structures
C. To install new pipes
D. To monitor pressure
Answer: B
Rationale: Manhole inspections evaluate structural and
operational conditions of access points.
8. Which defect involves cracking along the pipe wall?
A. Fracture
B. Break
C. Collapse
D. Deformation
Answer: A
Rationale: A fracture refers to cracks that may compromise
structural integrity.
9. What is the first step in a CCTV inspection?
A. Coding defects
B. Cleaning the pipeline
