RMGA Pipeline Operations and Maintenance

Question 1

What is the primary purpose of cathodic protection on buried natural gas pipelines?

Accepted Answer

To prevent corrosion of the metal pipe

Answer

To increase gas flow rate

Answer

To reduce pipeline pressure

Answer

To detect gas leaks

Question 2

Which federal regulation governs the safety of natural gas pipelines in the United States?

Accepted Answer

49 CFR Part 192

Answer

29 CFR Part 1910

Answer

40 CFR Part 60

Answer

10 CFR Part 50

Question 3

What does the term 'MAOP' stand for in pipeline operations?

Accepted Answer

Maximum Allowable Operating Pressure

Answer

Minimum Approved Operating Procedure

Answer

Maximum Annual Output Performance

Answer

Mandatory Assessment of Pipeline

Question 4

How often must operators perform patrols on transmission pipelines in Class 1 locations under 49 CFR Part 192?

Accepted Answer

At least once each calendar year

Answer

At least once each calendar week

Answer

At least once each calendar month

Answer

At least twice each calendar year

Question 5

What is a 'pigging' operation in the context of natural gas pipelines?

Accepted Answer

Running a device through the pipeline for cleaning or inspection

Answer

Installing animal deterrents near pipeline markers

Answer

Pressurizing a new pipeline segment for the first time

Answer

Adding odorant to the gas stream

Question 6

What type of valve is typically installed at a pipeline's mainline to allow full bore flow with minimal restriction?

Accepted Answer

Ball valve

Answer

Globe valve

Answer

Needle valve

Answer

Butterfly valve