Maryland Master Plumber/Gas Fitter
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1. Which agency is primarily responsible for the licensing and
regulation of master plumbers and master gas fitters in Maryland?
A. Maryland Department of Labor, Occupational Safety and Health
Division
B. Maryland State Board of Plumbing
C. Maryland Department of Transportation
D. Maryland State Fire Marshal's Office
B. Maryland State Board of Plumbing
The Maryland State Board of Plumbing is responsible for licensing and
regulating plumbers and gas fitters, including master-level licensees,
under Maryland law.
2. What is the principal scope of authority of a Maryland master
plumber license?
A. Performing only residential water-heater replacements
B. Performing plumbing work only under the direct supervision of another
,master plumber
C. Supervising and performing plumbing work within the scope authorized
by Maryland law and applicable codes
D. Performing only drain-cleaning operations
C. Supervising and performing plumbing work within the scope
authorized by Maryland law and applicable codes
A master plumber license represents the highest level of plumbing
licensure and authorizes the licensee to undertake and supervise
plumbing work within the legal scope of the credential.
3. A Maryland master gas fitter is primarily authorized to perform
work involving which systems?
A. Only electrical heating equipment
B. Fuel-gas piping and related gas-fitting systems within the licensed
scope
C. Only municipal water distribution systems
D. Only fire sprinkler systems
B. Fuel-gas piping and related gas-fitting systems within the licensed
scope
Gas fitting concerns fuel-gas piping and associated equipment and
systems, subject to Maryland requirements and applicable fuel-gas
codes.
4. Which code is commonly used as a principal technical reference for
plumbing installations in Maryland jurisdictions that adopt it?
,A. International Plumbing Code
B. International Property Maintenance Code only
C. International Energy Conservation Code only
D. National Electrical Code only
A. International Plumbing Code
The International Plumbing Code provides extensive requirements
governing plumbing systems, including piping, fixtures, drainage,
venting, water supply, and related installations.
5. Which code provides requirements specifically addressing fuel-gas
installations?
A. International Fuel Gas Code
B. International Existing Building Code only
C. National Electrical Code
D. International Mechanical Code only
A. International Fuel Gas Code
The International Fuel Gas Code establishes requirements for fuel-gas
piping, appliances, combustion air, venting, gas equipment, and related
installations.
6. What is the primary purpose of a plumbing trap?
A. To increase water pressure
B. To prevent sewer gases from entering a building through a fixture
C. To increase drainage velocity indefinitely
D. To eliminate the need for venting
, B. To prevent sewer gases from entering a building through a fixture
A properly designed and maintained trap retains a water seal that
prevents sewer gases from traveling through the fixture drain into
occupied spaces.
7. Why must a plumbing drainage system be properly vented?
A. To increase the temperature of wastewater
B. To prevent water from flowing through the drainage system
C. To protect trap seals and allow the drainage system to operate properly
D. To eliminate the need for cleanouts
C. To protect trap seals and allow the drainage system to operate
properly
Drainage vents allow air movement through the system, helping
maintain atmospheric pressure and protecting fixture trap seals from
siphonage and excessive pressure.
8. A plumbing vent that terminates through a roof must be installed so
that it is protected from conditions that could obstruct its opening.
Which condition is particularly important to consider?
A. Roof snow and ice accumulation
B. Interior wall paint
C. Cabinet color
D. Fixture trim finish
A. Roof snow and ice accumulation
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationale 2027 Q&A| Instant
Download Pdf.
1. Which agency is primarily responsible for the licensing and
regulation of master plumbers and master gas fitters in Maryland?
A. Maryland Department of Labor, Occupational Safety and Health
Division
B. Maryland State Board of Plumbing
C. Maryland Department of Transportation
D. Maryland State Fire Marshal's Office
B. Maryland State Board of Plumbing
The Maryland State Board of Plumbing is responsible for licensing and
regulating plumbers and gas fitters, including master-level licensees,
under Maryland law.
2. What is the principal scope of authority of a Maryland master
plumber license?
A. Performing only residential water-heater replacements
B. Performing plumbing work only under the direct supervision of another
,master plumber
C. Supervising and performing plumbing work within the scope authorized
by Maryland law and applicable codes
D. Performing only drain-cleaning operations
C. Supervising and performing plumbing work within the scope
authorized by Maryland law and applicable codes
A master plumber license represents the highest level of plumbing
licensure and authorizes the licensee to undertake and supervise
plumbing work within the legal scope of the credential.
3. A Maryland master gas fitter is primarily authorized to perform
work involving which systems?
A. Only electrical heating equipment
B. Fuel-gas piping and related gas-fitting systems within the licensed
scope
C. Only municipal water distribution systems
D. Only fire sprinkler systems
B. Fuel-gas piping and related gas-fitting systems within the licensed
scope
Gas fitting concerns fuel-gas piping and associated equipment and
systems, subject to Maryland requirements and applicable fuel-gas
codes.
4. Which code is commonly used as a principal technical reference for
plumbing installations in Maryland jurisdictions that adopt it?
,A. International Plumbing Code
B. International Property Maintenance Code only
C. International Energy Conservation Code only
D. National Electrical Code only
A. International Plumbing Code
The International Plumbing Code provides extensive requirements
governing plumbing systems, including piping, fixtures, drainage,
venting, water supply, and related installations.
5. Which code provides requirements specifically addressing fuel-gas
installations?
A. International Fuel Gas Code
B. International Existing Building Code only
C. National Electrical Code
D. International Mechanical Code only
A. International Fuel Gas Code
The International Fuel Gas Code establishes requirements for fuel-gas
piping, appliances, combustion air, venting, gas equipment, and related
installations.
6. What is the primary purpose of a plumbing trap?
A. To increase water pressure
B. To prevent sewer gases from entering a building through a fixture
C. To increase drainage velocity indefinitely
D. To eliminate the need for venting
, B. To prevent sewer gases from entering a building through a fixture
A properly designed and maintained trap retains a water seal that
prevents sewer gases from traveling through the fixture drain into
occupied spaces.
7. Why must a plumbing drainage system be properly vented?
A. To increase the temperature of wastewater
B. To prevent water from flowing through the drainage system
C. To protect trap seals and allow the drainage system to operate properly
D. To eliminate the need for cleanouts
C. To protect trap seals and allow the drainage system to operate
properly
Drainage vents allow air movement through the system, helping
maintain atmospheric pressure and protecting fixture trap seals from
siphonage and excessive pressure.
8. A plumbing vent that terminates through a roof must be installed so
that it is protected from conditions that could obstruct its opening.
Which condition is particularly important to consider?
A. Roof snow and ice accumulation
B. Interior wall paint
C. Cabinet color
D. Fixture trim finish
A. Roof snow and ice accumulation
