1. The primary purpose of pipeline regulations in South Carolina is to:
A. Increase pipeline profits
B. Protect public safety and the environment
C. Limit pipeline construction
D. Reduce fuel consumption
ANSWER : B
Explanation: Pipeline regulations exist to ensure public safety, environmental
protection, and safe operation of pipeline systems.
2. Which federal agency oversees interstate pipeline safety?
A. EPA
B. OSHA
C. PHMSA
D. DOT Motor Carrier
ANSWER : C
Explanation: The Pipeline and Hazardous Materials Safety Administration
(PHMSA) regulates interstate pipelines.
3. South Carolina enforces pipeline safety primarily under authority
delegated by:
A. OSHA
B. EPA
C. PHMSA
D. FEMA
, ANSWER : C
Explanation: PHMSA delegates authority to states like South Carolina for
intrastate pipeline safety enforcement.
4. What material is most commonly used for high-pressure gas
transmission pipelines?
A. PVC
B. Cast iron
C. Steel
D. Copper
ANSWER : C
Explanation: Steel is used for high-pressure pipelines due to its strength and
durability.
5. Which pipeline carries gas at the highest pressure?
A. Distribution line
B. Service line
C. Transmission line
D. Gathering line
ANSWER : C
Explanation: Transmission lines operate at the highest pressures to transport
gas long distances.
6. What is the primary purpose of a pipeline right-of-way (ROW)?
A. Storage of materials
B. Emergency parking
C. Access for inspection and maintenance
D. Advertising space
ANSWER : C
Explanation: ROWs allow safe access for inspection, repairs, and emergency
response.
,7. Which color is used to mark natural gas pipelines under SC One-Call
rules?
A. Blue
B. Red
C. Yellow
D. Green
ANSWER : C
Explanation: Yellow markings identify gas, oil, steam, or petroleum pipelines.
8. Before excavation, South Carolina law requires utilities to be notified at
least:
A. 24 hours
B. 48 hours
C. 72 hours
D. 7 days
ANSWER : B
Explanation: South Carolina requires a minimum of 48 hours notice through
SC 811.
9. What is the purpose of cathodic protection on pipelines?
A. Increase pressure
B. Prevent corrosion
C. Improve flow
D. Reduce noise
ANSWER : B
Explanation: Cathodic protection prevents corrosion by controlling
electrochemical reactions.
10. Which device is used to stop gas flow in emergencies?
A. Regulator
B. Compressor
C. Valve
D. Meter
, ANSWER : C
Explanation: Valves isolate pipeline sections during leaks or emergencies.
11. What is the function of a pressure regulator?
A. Increase pressure
B. Stop gas flow
C. Control and reduce pressure
D. Measure gas volume
ANSWER : C
Explanation: Regulators reduce and maintain safe operating pressure.
12. Which document outlines emergency response procedures for
pipelines?
A. Employee handbook
B. Emergency Response Plan
C. Maintenance log
D. Construction permit
ANSWER : B
Explanation: Emergency Response Plans guide actions during pipeline
incidents.
13. Pipeline odorization is required primarily to:
A. Improve gas quality
B. Prevent corrosion
C. Help detect leaks
D. Increase energy content
ANSWER : C
Explanation: Odorants allow the public to detect gas leaks quickly.
14. What odor is commonly added to natural gas?
A. Ammonia
B. Mercaptan
A. Increase pipeline profits
B. Protect public safety and the environment
C. Limit pipeline construction
D. Reduce fuel consumption
ANSWER : B
Explanation: Pipeline regulations exist to ensure public safety, environmental
protection, and safe operation of pipeline systems.
2. Which federal agency oversees interstate pipeline safety?
A. EPA
B. OSHA
C. PHMSA
D. DOT Motor Carrier
ANSWER : C
Explanation: The Pipeline and Hazardous Materials Safety Administration
(PHMSA) regulates interstate pipelines.
3. South Carolina enforces pipeline safety primarily under authority
delegated by:
A. OSHA
B. EPA
C. PHMSA
D. FEMA
, ANSWER : C
Explanation: PHMSA delegates authority to states like South Carolina for
intrastate pipeline safety enforcement.
4. What material is most commonly used for high-pressure gas
transmission pipelines?
A. PVC
B. Cast iron
C. Steel
D. Copper
ANSWER : C
Explanation: Steel is used for high-pressure pipelines due to its strength and
durability.
5. Which pipeline carries gas at the highest pressure?
A. Distribution line
B. Service line
C. Transmission line
D. Gathering line
ANSWER : C
Explanation: Transmission lines operate at the highest pressures to transport
gas long distances.
6. What is the primary purpose of a pipeline right-of-way (ROW)?
A. Storage of materials
B. Emergency parking
C. Access for inspection and maintenance
D. Advertising space
ANSWER : C
Explanation: ROWs allow safe access for inspection, repairs, and emergency
response.
,7. Which color is used to mark natural gas pipelines under SC One-Call
rules?
A. Blue
B. Red
C. Yellow
D. Green
ANSWER : C
Explanation: Yellow markings identify gas, oil, steam, or petroleum pipelines.
8. Before excavation, South Carolina law requires utilities to be notified at
least:
A. 24 hours
B. 48 hours
C. 72 hours
D. 7 days
ANSWER : B
Explanation: South Carolina requires a minimum of 48 hours notice through
SC 811.
9. What is the purpose of cathodic protection on pipelines?
A. Increase pressure
B. Prevent corrosion
C. Improve flow
D. Reduce noise
ANSWER : B
Explanation: Cathodic protection prevents corrosion by controlling
electrochemical reactions.
10. Which device is used to stop gas flow in emergencies?
A. Regulator
B. Compressor
C. Valve
D. Meter
, ANSWER : C
Explanation: Valves isolate pipeline sections during leaks or emergencies.
11. What is the function of a pressure regulator?
A. Increase pressure
B. Stop gas flow
C. Control and reduce pressure
D. Measure gas volume
ANSWER : C
Explanation: Regulators reduce and maintain safe operating pressure.
12. Which document outlines emergency response procedures for
pipelines?
A. Employee handbook
B. Emergency Response Plan
C. Maintenance log
D. Construction permit
ANSWER : B
Explanation: Emergency Response Plans guide actions during pipeline
incidents.
13. Pipeline odorization is required primarily to:
A. Improve gas quality
B. Prevent corrosion
C. Help detect leaks
D. Increase energy content
ANSWER : C
Explanation: Odorants allow the public to detect gas leaks quickly.
14. What odor is commonly added to natural gas?
A. Ammonia
B. Mercaptan
