1. Can you use an existing 1 ½" vent to service a new sink placed under a 6'-0" wide window? The vent is located in the first stud cavity to the right.

a. yes

b. no

• A kitchen remodeling will include a laundry area. In the plumbing plan, the plumber recommends a special devise connected to the water line at the washing machine. Why?

a. To prevent water hammer.

b. To maintain water pressure.

c. To prevent the pipes from freezing.

d. Both a. and c.

• Designer P is working with a plumbing contractor on a kitchen remodeling project. The contractor mentions he plans to use copper pipe as a supply line. What are your concerns?

a. If the water is acidic or "hard", copper pipe is not recommended.

b. All copper piping requires water softening

c. If it freezes, the pipe can be damaged.

d. Both a and c

• To accommodate all the plumbing changes, a new waste line will be needed from the master bathroom. This line will run down the wall between the living room and dining room to connect with the main soil and waste line in the basement. The local code is flexible on the choice of materials for DWV lines. Which one of the following would you recommend?

a. ABS plastic pipe

b. Cast iron pipe

c. Copper pipe

d. PVC plastic pipe

• As Remodeler P plans the new double lavatory in the master bathroom, she must know where the vent stack for the lavatory is located. Why?

a. For efficiency, the drain line and trap should be as close as possible.

b. The maximum distance from the trap to vent stack for a 1 1/4" lavatory drain is 60" (5'-0"), which may limit lavatory placement.

c. Limited distances between the drain line, trap and vent stack must be maintained, and thus the vent stack location may dictate the placement of the lavatories.

d. Both a and b

• A dielectric union is a:

a. special plumbing fitting used when water passes through an electric pump, such as in a whirlpool bath.

b. special fitting used on an electric water heater.

c. special fitting used to join pipes of two different metals.

d. wire attached to a plumbing pipe, used to allow the plumbing pipe to ground the electrical system.

• Multiple body spray heads require:

a. Loop vent

b. Pressure balance loop

c. Copper pipes and connections

d. All of the above

• For proper function of plumbing fixtures, water pressure should never drop below

a. 42psi

b. 30psi

c. 100psi

d. None of the above

• What temperature is considered the safe maximum at the faucet?

a. 120

b. 150

c. 115

d. 98.6

• Polyvinyl Chloride pipe is recommended for:

a. hot and cold water

b. cold water only

c. water service

d. all of the above

• Hard acidic water corrodes copper pipes more than soft alkaline water.

True

False

• The US Energy Policy and Conservation Act of 1992 limited the capacity per flush in toilets to ______ Gal.

a. 3 gallons

b. 5 gallons

c. 1.4 gallons

d. 1.6 gallons

• According to Spencer auto vents are allowed in Portland for venting plumbing fixtures.

True

False

• If a fixture is re-vented, the secondary vent cannot be connected to the main stack until it is _____" above the flood level of the _______ fixture

a. 3" lowest

b. 6" highest

c. 12" lowest

d. None of the above

• Answer this question visiting the Toto website. List the following specifications for a Toto Pacifica One Piece Toilet MS904114

1.6 Gallons per flush

• Answer this question by visiting the Toto website. What is the seat height (measured where it rests on the toilet) for a Toto Pacifica One Piece Toilet MS904114?

15”

• Answer this question by visiting the Toto website. What are the available rough-ins for a Toto Pacifica One Piece Toilet MS904114?

10” 12” 14”

• Answer this question by visiting the Toto website. What is the supply distance from the floor on a Toto Pacifica One Piece Toilet MS904114?

4 ½”

• Answer this question by visiting the Toto website. What is the supply offset from the toilet centerline on a Toto Pacifica One Piece Toilet MS904114?

10”

• Answer this question by visiting the Toto website. The Toto Pacifica One Piece Toilet MS904114 is made of? Note: Make sure you spell your answer correctly

Vitreous China

• Answer this question by visiting the Toto website. What is distance from the lavatory centerline to the hot or cold supplies for a Toto Lloyd Metal Console Lavatory Model # LF930.8MCP? Note: When you search use LF930MPF. The model number used in the question refers to the valve spread.

4 15/16”

• Answer this question by visiting the Toto website. What is the distance from the floor to the centerline of the hot and cold supplies for a Toto Lloyd Metal Console Lavatory Model # LF930MCP.

18 ¾”

• Answer this question by visiting the Toto website. What is the outside diameter of the waste line for a Toto Lloyd Metal Console Lavatory Model # LF930MCP?

1 ¼”

• Answer this question by visiting the Toto website. What is the measurement from the finished floor to the waste centerline for a Toto Lloyd Metal Console Lavatory Model # LF930MCP.

16 ¾”

• Answer this question by visiting the Toto website. What is the lavatory height above finished floor for a Toto Lloyd Metal Console Lavatory Model # LF930.8MCP?

34 3/8”

• Go to signaturehardware.com and price the High Tech Lavatory Trap ID # 231630 Chrome Finish

$151.95

• What is the pipe size requirement for a house main supply?

1”

• What is the pipe size requirement for Supply Risers?

¾”

• What is the pipe size requirement for a kitchen sink supply?

½”

• What is the pipe size requirement for the supply to an ice maker?

¼”

• what is the pipe size requirement for a dish washer supply?

3/8”

• PEX piping can be installed in unheated areas such as the attic because it is freeze resistant.

true

Control Valve Backer Board Spout/Diverter Shower Head Mounting Board Drain Overflow Plate Shower Pipe p-Trap

• What is the maximum distance from P-Trap weir to vent if connected by a 2" pipe

8’-0”