NASSCO Pipeline Assessment
Certification 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 PACP?
A. Financial auditing
B. Standardized pipeline condition assessment
C. Pipe manufacturing
D. Water treatment
Correct Answer: Standardized pipeline condition assessment
Rationale: PACP provides a consistent system for inspecting, coding, and
reporting sewer pipe conditions.
2. Which organization developed PACP?
A. EPA
B. AWWA
C. NASSCO
D. OSHA
,Correct Answer: NASSCO
Rationale: PACP was created by the National Association of Sewer Service
Companies.
3. What type of system does PACP primarily evaluate?
A. Drinking water systems
B. Stormwater systems only
C. Gravity sanitary sewer pipelines
D. Industrial cooling systems
Correct Answer: Gravity sanitary sewer pipelines
Rationale: PACP is focused on gravity sewer collection systems.
4. Which method is commonly used in PACP inspections?
A. Chemical sampling
B. CCTV inspection
C. Magnetic resonance
D. Sonar only
Correct Answer: CCTV inspection
Rationale: Closed-circuit television is the standard tool for PACP inspections.
5. In PACP coding, a “structural defect” refers to:
A. Flow increase
B. Physical pipe damage
C. Pump failure
D. Chemical imbalance
Correct Answer: Physical pipe damage
Rationale: Structural defects include cracks, breaks, and collapses.
, 6. Which is considered a service defect?
A. Pipe fracture
B. Infiltration
C. Grease buildup
D. Pipe collapse
Correct Answer: Grease buildup
Rationale: Service defects affect flow but not pipe structure.
7. What does infiltration refer to?
A. Sewer backup
B. Groundwater entering the pipe
C. Chemical discharge
D. Pipe installation
Correct Answer: Groundwater entering the pipe
Rationale: Infiltration is unintended groundwater entering through defects.
8. Exfiltration is:
A. Flow exiting the pipe unintentionally
B. Pipe cleaning
C. Pipe repair
D. Flow measurement
Correct Answer: Flow exiting the pipe unintentionally
Rationale: Exfiltration is wastewater leaking out of the system.
9. A “bellied pipe” refers to:
A. Pipe with increased diameter
B. Sagging section holding water
C. Broken joint
D. Reinforced section
Certification 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 PACP?
A. Financial auditing
B. Standardized pipeline condition assessment
C. Pipe manufacturing
D. Water treatment
Correct Answer: Standardized pipeline condition assessment
Rationale: PACP provides a consistent system for inspecting, coding, and
reporting sewer pipe conditions.
2. Which organization developed PACP?
A. EPA
B. AWWA
C. NASSCO
D. OSHA
,Correct Answer: NASSCO
Rationale: PACP was created by the National Association of Sewer Service
Companies.
3. What type of system does PACP primarily evaluate?
A. Drinking water systems
B. Stormwater systems only
C. Gravity sanitary sewer pipelines
D. Industrial cooling systems
Correct Answer: Gravity sanitary sewer pipelines
Rationale: PACP is focused on gravity sewer collection systems.
4. Which method is commonly used in PACP inspections?
A. Chemical sampling
B. CCTV inspection
C. Magnetic resonance
D. Sonar only
Correct Answer: CCTV inspection
Rationale: Closed-circuit television is the standard tool for PACP inspections.
5. In PACP coding, a “structural defect” refers to:
A. Flow increase
B. Physical pipe damage
C. Pump failure
D. Chemical imbalance
Correct Answer: Physical pipe damage
Rationale: Structural defects include cracks, breaks, and collapses.
, 6. Which is considered a service defect?
A. Pipe fracture
B. Infiltration
C. Grease buildup
D. Pipe collapse
Correct Answer: Grease buildup
Rationale: Service defects affect flow but not pipe structure.
7. What does infiltration refer to?
A. Sewer backup
B. Groundwater entering the pipe
C. Chemical discharge
D. Pipe installation
Correct Answer: Groundwater entering the pipe
Rationale: Infiltration is unintended groundwater entering through defects.
8. Exfiltration is:
A. Flow exiting the pipe unintentionally
B. Pipe cleaning
C. Pipe repair
D. Flow measurement
Correct Answer: Flow exiting the pipe unintentionally
Rationale: Exfiltration is wastewater leaking out of the system.
9. A “bellied pipe” refers to:
A. Pipe with increased diameter
B. Sagging section holding water
C. Broken joint
D. Reinforced section
