FREE Journeyman Plumbers Plumbing Fixtures and Fittings Questions and Answers

Question 1

A plumber is installing a water closet in a residential bathroom. According to most model plumbing codes, what is the minimum required clearance from the centerline of the water closet to any side wall or partition?

Accepted Answer

15 inches

Answer

Most plumbing codes, including the International Plumbing Code (IPC) and Uniform Plumbing Code (UPC), mandate a minimum of 15 inches from the centerline of a water closet to any adjacent wall, partition, or vanity. This ensures adequate space for use and cleaning.

Question 2

Which of the following devices is required for a floor drain that is not subject to frequent use, in order to prevent the emission of sewer gases?

Accepted Answer

A trap seal primer

Answer

A trap seal primer is a device that adds a small amount of water to the trap of an infrequently used floor drain. This action maintains the water seal in the trap, which prevents sewer gases from entering the building as the water would otherwise evaporate over time.

Question 3

When installing an ADA-compliant grab bar on the side wall of a water closet, what is the minimum required length of the grab bar?

Accepted Answer

42 inches

Answer

According to the Americans with Disabilities Act (ADA) Standards for Accessible Design, the side wall grab bar next to a water closet must be at least 42 inches long. It should be located a maximum of 12 inches from the rear wall and extend at least 54 inches from the rear wall.

Question 4

A plumber is connecting a lavatory drain to the p-trap. The component that connects the fixture's drain outlet to the trap is known as a:

Accepted Answer

Tailpiece

Answer

A tailpiece is the straight section of pipe that connects the sink's strainer or drain outlet directly to the inlet of the p-trap. It is a critical fitting for completing the fixture's drainage assembly.

Question 5

In a hospital's special care area, which of the following is a common requirement for plumbing fixtures like sinks and faucets to aid in infection control?

Accepted Answer

Faucets are often equipped with gooseneck spouts and wrist-blade handles or electronic sensors.

Answer

Healthcare facilities, particularly in patient care and surgical areas, often require fixtures that minimize contact and prevent the spread of pathogens. Gooseneck spouts provide clearance for handwashing, and wrist-blade handles or electronic sensors allow for hands-free operation, which is a key aspect of infection control protocols.

Journeyman Plumbers Exam Practice Test

Journeyman Plumbers Exam Practice Test

FREE Journeyman Plumbers Plumbing Fixtures and Fittings Questions and Answers