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

12 inches

Answer

18 inches

Answer

21 inches

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 backwater valve

Answer

An air admittance valve

Answer

A vacuum breaker

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

24 inches

Answer

36 inches

Answer

48 inches

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

Trap arm

Answer

Escutcheon

Answer

Continuous waste

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

Faucets must be chrome-plated and manually operated.

Answer

Sinks must be made of vitreous china with an overflow.

Answer

All sink drains must be a minimum of 2 inches in diameter.

Question 6

What is the federally mandated maximum flow rate for a standard showerhead manufactured after 1994, according to the Energy Policy Act?

Accepted Answer

2.5 GPM at 80 psi

Answer

1.8 GPM at 80 psi

Answer

2.0 GPM at 80 psi

Answer

3.0 GPM at 60 psi

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?

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?