NASSCO Pipeline Assessment Certification
Program (PACP) Practice Exam Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
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1. What is the primary purpose of the PACP system?
a. To design new pipelines
b. To standardize pipeline condition assessment
c. To perform construction inspections
d. To enforce regulatory compliance
Rationale: PACP is designed to provide a uniform method to assess
and document the condition of existing pipelines.
2. Which type of defects does PACP primarily focus on?
a. Design defects
b. Construction defects
c. Operational and structural defects in pipelines
, d. Surface landscaping defects
Rationale: PACP is used to identify operational and structural defects
in pipelines, not design or aesthetic issues.
3. In PACP, what does the term "structural defect" refer to?
a. Leaks in joints only
b. Damage affecting the integrity of the pipe
c. Minor surface scratches
d. Defects in surrounding infrastructure
Rationale: Structural defects compromise the physical integrity of the
pipe and may affect flow or lead to failure.
4. Which PACP code indicates a crack that penetrates the full wall
thickness?
a. SD-2
b. SD-5
c. SD-3
d. SD-1
Rationale: SD-5 is the PACP code used for full-depth cracks, indicating
severe structural compromise.
5. What is the primary method for collecting PACP data?
a. Visual inspection only
b. Satellite imagery
c. Closed-circuit television (CCTV) inspection
d. Manual measurement from the surface
, Rationale: PACP relies on CCTV inspections to capture internal pipe
conditions accurately.
6. PACP assigns defect severity using which scale?
a. High, Medium, Low
b. 1–3
c. 1–5
d. Critical, Major, Minor
Rationale: PACP uses a 1–5 scale for defect severity, with 5 being the
most severe.
7. Which PACP code represents a displaced joint?
a. SD-1
b. SD-3
c. SD-2
d. SD-4
Rationale: SD-2 is used for joint displacement, indicating a structural
defect affecting alignment or flow.
8. Which pipe material is NOT commonly assessed using PACP?
a. PVC
b. Concrete
c. Copper tubing
d. Vitrified clay
Rationale: PACP is generally applied to municipal sewer pipelines;
copper tubing is rarely assessed in this context.
, 9. What is the minimum resolution required for PACP video inspections?
a. 100x100 pixels
b. 640x480 pixels
c. 320x240 pixels
d. 1024x768 pixels
Rationale: PACP standards require a minimum resolution of 640x480
to accurately identify defects.
10. In PACP, what does "OD" refer to?
a. Original depth
b. Off-set defect
c. Outer diameter
d. Obstructed drain
Rationale: OD indicates an off-set defect, typically from joint
displacement.
11. Which defect code would indicate a root intrusion?
a. FD-1
b. FD-2
c. FD-3
d. SD-4
Rationale: FD-2 is used to classify root intrusions, which are
considered operational defects.
12. Which PACP feature helps to prioritize repairs?
a. Pipe diameter
Program (PACP) Practice Exam Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of the PACP system?
a. To design new pipelines
b. To standardize pipeline condition assessment
c. To perform construction inspections
d. To enforce regulatory compliance
Rationale: PACP is designed to provide a uniform method to assess
and document the condition of existing pipelines.
2. Which type of defects does PACP primarily focus on?
a. Design defects
b. Construction defects
c. Operational and structural defects in pipelines
, d. Surface landscaping defects
Rationale: PACP is used to identify operational and structural defects
in pipelines, not design or aesthetic issues.
3. In PACP, what does the term "structural defect" refer to?
a. Leaks in joints only
b. Damage affecting the integrity of the pipe
c. Minor surface scratches
d. Defects in surrounding infrastructure
Rationale: Structural defects compromise the physical integrity of the
pipe and may affect flow or lead to failure.
4. Which PACP code indicates a crack that penetrates the full wall
thickness?
a. SD-2
b. SD-5
c. SD-3
d. SD-1
Rationale: SD-5 is the PACP code used for full-depth cracks, indicating
severe structural compromise.
5. What is the primary method for collecting PACP data?
a. Visual inspection only
b. Satellite imagery
c. Closed-circuit television (CCTV) inspection
d. Manual measurement from the surface
, Rationale: PACP relies on CCTV inspections to capture internal pipe
conditions accurately.
6. PACP assigns defect severity using which scale?
a. High, Medium, Low
b. 1–3
c. 1–5
d. Critical, Major, Minor
Rationale: PACP uses a 1–5 scale for defect severity, with 5 being the
most severe.
7. Which PACP code represents a displaced joint?
a. SD-1
b. SD-3
c. SD-2
d. SD-4
Rationale: SD-2 is used for joint displacement, indicating a structural
defect affecting alignment or flow.
8. Which pipe material is NOT commonly assessed using PACP?
a. PVC
b. Concrete
c. Copper tubing
d. Vitrified clay
Rationale: PACP is generally applied to municipal sewer pipelines;
copper tubing is rarely assessed in this context.
, 9. What is the minimum resolution required for PACP video inspections?
a. 100x100 pixels
b. 640x480 pixels
c. 320x240 pixels
d. 1024x768 pixels
Rationale: PACP standards require a minimum resolution of 640x480
to accurately identify defects.
10. In PACP, what does "OD" refer to?
a. Original depth
b. Off-set defect
c. Outer diameter
d. Obstructed drain
Rationale: OD indicates an off-set defect, typically from joint
displacement.
11. Which defect code would indicate a root intrusion?
a. FD-1
b. FD-2
c. FD-3
d. SD-4
Rationale: FD-2 is used to classify root intrusions, which are
considered operational defects.
12. Which PACP feature helps to prioritize repairs?
a. Pipe diameter
