MAINE (ME) PLANT OPERATOR AUTHORITY | LATEST VERSION EXAM PREP - VERIFIED QUESTIONS AND ANSWERS - COMPLETE COVERAGE

MAINE (ME) PLANT OPERATOR AUTHORITY | LATEST
VERSION EXAM PREP - VERIFIED QUESTIONS AND
ANSWERS - COMPLETE COVERAGE




Maine (ME) Plant Operator Authority




1. What does the Maine Plant Operator Authority primarily permit?
A. Installation of all residential electrical systems
B. Work at a propane facility as defined by NFPA 58
C. Operation of wastewater treatment plants
D. Installation of oil-fired boilers
ANSWER : B
Explanation: The Plant Operator Authority permits the technician to
work at a propane facility within the scope established by NFPA 58.
2. Which organization administers propane and natural gas
technician licensing in Maine?
A. Maine DEP
B. Maine Fuel Board
C. Maine DOT
D. Maine Labor Board
ANSWER : B
Explanation: The Maine Fuel Board regulates propane and natural gas
technician licensing and endorsements.
3. Which endorsement specifically applies to a person working at a
bulk propane plant?
A. Delivery Technician
B. Tank Setter

,C. Plant Operator
D. Appliance Connection
ANSWER : C
Explanation: Maine identifies the Plant Operator endorsement as
required for persons working at a bulk plant and handling propane and
propane equipment.
4. Which code is the principal code identified for the Plant Operator
Authority examination?
A. NFPA 31
B. NFPA 54
C. NFPA 58
D. NFPA 70
ANSWER : C
Explanation: NFPA 58, the Liquefied Petroleum Gas Code, is the principal
technical reference for the Plant Operator Authority.
5. According to the Maine examination bulletin, how many questions
are listed for the Plant Operator Authority examination?
A. 20
B. 25
C. 30
D. 50
ANSWER : C
Explanation: The examination bulletin lists 30 questions for the Plant
Operator Authority.
6. How much time is listed for the Plant Operator Authority
examination?
A. 1 hour
B. 1.5 hours
C. 2 hours
D. 3 hours
ANSWER : C
Explanation: The bulletin specifies a two-hour examination period.
7. How many questions in the listed Plant Operator examination are
allocated to NFPA 58?

,A. 10
B. 13
C. 16
D. 20
ANSWER : C
Explanation: The exam outline allocates 16 questions to NFPA 58.
8. How many listed questions concern Maine Fuel Board Laws &
Rules?
A. 5
B. 10
C. 13
D. 18
ANSWER : C
Explanation: Thirteen questions are allocated to Maine Fuel Board Laws
& Rules.
9. How many questions are allocated to Federal Regulations?
A. 1
B. 3
C. 5
D. 10
ANSWER : A
Explanation: The published outline lists one Federal Regulations
question.
10. What is LPG?
A. Liquid pressure gas
B. Liquefied petroleum gas
C. Low-pressure gasoline
D. Liquid propane generator
ANSWER : B
Explanation: LPG stands for liquefied petroleum gas, a category that
includes propane.
11. Why is propane stored as a liquid in bulk containers?
A. Propane cannot exist as a gas
B. Pressure causes propane to liquefy at normal storage temperatures

, C. It eliminates vapor formation
D. It makes propane nonflammable
ANSWER : B
Explanation: Under suitable pressure, propane changes from vapor to
liquid, allowing a large amount of fuel to be stored in a relatively compact
container.
12. What happens when liquid propane is released to atmospheric
pressure?
A. It remains liquid indefinitely
B. It freezes immediately
C. It vaporizes
D. It becomes oxygen
ANSWER : C
Explanation: Propane boils and vaporizes when pressure is reduced
sufficiently.
13. Which property makes propane especially hazardous around
ignition sources?
A. It is noncombustible
B. Its vapor is flammable
C. It is heavier than steel
D. It contains oxygen
ANSWER : B
Explanation: Propane vapor can form a combustible mixture with air and
ignite when an ignition source is present.
14. Propane vapor is generally:
A. Lighter than hydrogen
B. Heavier than air
C. The same density as oxygen
D. Weightless
ANSWER : B
Explanation: Propane vapor is heavier than air and can accumulate in
low areas.
15. Why is vapor density important at a propane facility?