Journeyman Plumbers Plumbing Fixtures and Fittings Questions and Answers

Question 1

According to most plumbing codes, what is the maximum vertical distance allowed for a fixture tailpiece, measured from the fixture outlet to the trap weir?

Accepted Answer

24 inches

Answer

12 inches

Answer

18 inches

Answer

30 inches

Question 2

A plumber is installing fixtures in a public-use restroom and needs to determine the drainage load. According to the Uniform Plumbing Code (UPC), what is the Drainage Fixture Unit (DFU) value for a public-use lavatory?

Accepted Answer

2.0

Answer

1.0

Answer

1.5

Answer

0.5

Question 3

To comply with the Americans with Disabilities Act (ADA) standards, what is the maximum height the rim of a lavatory or sink can be mounted above the finished floor?

Accepted Answer

34 inches

Answer

36 inches

Answer

32 inches

Answer

30 inches

Question 4

A newly installed shower compartment, regardless of its shape, must have a minimum finished interior area and be capable of encompassing a circle of what minimum diameter?

Accepted Answer

30 inches

Answer

24 inches

Answer

36 inches

Answer

28 inches

Question 5

Which of the following is the most effective and code-approved method for protecting the potable water supply from contamination at a fixture by creating a physical separation?

Accepted Answer

Air Gap

Answer

Check Valve

Answer

Vacuum Breaker

Answer

Air Break

Question 6

To prevent scalding, most plumbing codes mandate that the hot water supplied to residential bathtubs and showers be limited to a maximum temperature by a temperature-limiting device. What is this maximum temperature?

Accepted Answer

120°F (49°C)

Answer

140°F (60°C)

Answer

110°F (43°C)

Answer

130°F (54°C)