CPA Pipeline Operations & Integrity

Question 1

Which U.S. federal agency regulates the safety of natural gas and hazardous liquid pipelines?

Accepted Answer

Pipeline and Hazardous Materials Safety Administration (PHMSA)

Answer

Federal Energy Regulatory Commission (FERC)

Answer

Department of Energy (DOE)

Answer

Bureau of Safety and Environmental Enforcement (BSEE)

Question 2

What is the purpose of a 'pig' in pipeline operations?

Accepted Answer

A tool inserted into the pipeline for cleaning, inspection, or separation

Answer

A pressure relief device installed at compressor stations

Answer

A valve used to isolate pipeline sections during maintenance

Answer

A chemical injected to prevent corrosion inside the pipe

Question 3

Cathodic protection is used on buried steel pipelines primarily to prevent what?

Accepted Answer

External corrosion caused by electrochemical reactions with soil

Answer

Blockages from wax or hydrate buildup

Answer

Internal erosion from high-velocity flow

Answer

Thermal expansion stress fractures

Question 4

What does MAOP stand for in pipeline operations?

Accepted Answer

Maximum Allowable Operating Pressure

Answer

Minimum Acceptable Operating Protocol

Answer

Maximum Annual Output Performance

Answer

Monitored Asset Operating Procedure

Question 5

Which method is used to test pipeline integrity before commissioning by filling the line with water and pressurizing it above MAOP?

Accepted Answer

Hydrostatic pressure testing

Answer

Ultrasonic thickness testing

Answer

Radiographic weld inspection

Answer

Magnetic flux leakage testing

Question 6

What is a 'High Consequence Area' (HCA) in the context of U.S. hazardous liquid pipeline regulations?

Accepted Answer

An area where a pipeline failure could have significant adverse consequences on populated or sensitive areas

Answer

A pipeline segment with a history of third-party damage

Answer

A geographic region with high seismic activity

Answer

A pipeline zone requiring double wall construction