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Plumber Tests: Journeyman Plumber Test, Master Plumber Test
Journeyman Plumber Practice Tests Master Plumbing Practice Exams helps plumbers pass their plumbing exams to get their plumbing license.  We offer 2 free plumbing practice tests to get you started in preparing for your Journeyman Plumber Test or Master Plumber Test.  Also check out our Journeyman Plumber Exam Guide and our Master Plumber Exam Guide. 

To help you pass your plumbing test on the first try, we recommend a comprehensive practice exam that covers all actual exam topics.  The 320 Question Journeyman Plumber Practice Exam and the 325 Question Master Plumber Practice Exam both cover all actual plumbing exam sections including Administrative Procedures; Fixtures; Vents and Venting; Sanitary Drainage Systems; Water Heaters and much more.  Each contains supplemental material including the 50 State Plumbing License Guide; 20 Key Test Preparation  and Test Taking Tips and more.

Plumber Practice Test 1

  1. A three compartment sink is one example of a ____________ fixture.
  2. A ____________ is used to remove excess water that has accumulated in a home's basement.
  3. The minimum size of a water service is __________.
  4. Polybutylene piping should never come into contact with the following:
  5. HWT is a common abbreviation for a:
  6. A duel check backflow preventer should be installed:
  7. A ______________ is a sacrificial rod that is installed in a water heater to protect the tank from any possible corrosion, and to extend the tank's life.
  8. Gray water is a type of waste water that comes from:
  9. A negative pressure that can cause backflow is known as:
  10. What type of fitting is needed to join copper with galvanized piping?
  11. What sized P-Trap is needed for a kitchen sink?
  12. What device prevents gas from entering a building?
  13. The two plumbing systems found in a house are:
  14. What type of piping sends water through a hot water heater?
  15. House water lines can either dump into a ___________ or ___________.

Plumbing License / Plumbing Exam


There is not a standard licensure requirement for those in the plumbing profession. However, the majority of states do require that a plumber carry some sort of license. Although license requirements vary across the country, plumbers typically should expect to fulfill the following requirements when seeking licensure:

  • Hold 2-5 years of experience in the field
  • Be able to pass a plumber exam that measures plumbing aptitude
  • Possess significant knowledge of local plumbing codes

There are two main categories of plumbers, as recognized by certification:

A Journeyman plumber is a plumber who successfully completes an apprenticeship or training program, and is thus qualified to work under a master plumber’s employ.


A Master plumber is a plumber who passes an exam administered by the state or city in which he works and is subsequently awarded a master plumber license. A master plumber is authorized to hold the position of employer or contractor, and has the capacity to teach and employ journeyman plumbers. 

Type of Work

Plumbers are individuals who make a living by installing, assembling, and repairing pipe systems that are used to carry water, air, steam, fuel, and other types of liquids and gasses. Plumbers may also install bathroom and kitchen fixtures such as toilets and faucets. There are a variety of specialties one can have as a plumber, and many individuals of the trade specialize in multiple areas of work.

Individuals who work on plumbing systems tend to specialize in one of five areas. These five distinctive career paths can be defined as followed:


Plumbers install and repair water, drainage, waste disposal, and gas systems in buildings, as well as appliances (dishwashers, water heaters) and plumbing fixtures (showers, sinks, toilets, baths).


Pipelayers lay pipes of varying materials such as concrete, plastic, or cast-iron that connect to sewers, drains, water mains, and oil/ natural gas lines. Pipelayers construct trenches prior to laying their pipes, and weld pipe pieces together after positioning them in such trenches.


plumber12.jpgPipefitters install and repair pipe systems that use both high and low pressure. These pipes are used for generating electricity, manufacturing, as well as in the heating and cooling of a building. Pipefitters may also install automatic controls to regulate these piping systems.


Steamfitters install pipe systems through which high pressure liquids or gasses move.


Sprinklerfitters have the very specific task of installing automatic fire sprinklers into buildings.


Individuals who choose to follow each of these five career paths are expected to be able to read blue prints or building plans and work aptly with all the tools necessary to the trade. Plumbers must also be familiar with their local and state codes when installing equipment into a building.


Plumbing Income and Employment

According to the Bureau of Labor Statistics, plumbers, pipefitters, pipelayers, and steamfitters make up one of the largest occupations in the construction field. A report conducted in 2008 showed that plumbers held about 555,900 jobs. Some of the jobs held by workers consisted of work under industrial, government, commercial, and construction employers. A lesser percentage of individuals were self-employed.


Median hourly wages (as reported by the Bureau of Labor Statistics in 2008) for plumbers were $21.94.

  • The lowest 10% of plumbers earned less than $13.22.
  • The highest 10% made more than $37.93.

Employment is expected to grow, for the plumbing trade tends to be less affected by the economy than other jobs in the construction industry. This is partly because old pipe systems are frequently replaced and require consistent maintenance. The industry is constantly creating newer, more efficient, and longer-lasting products, thus there will continue to be a demand for skilled plumbers to replace outdated systems.


Sources: Bureau of Labor Statistics,,