Answer Key: Self-Test D-1.10
- a. 1.5
- d. 6
- c. 750 mm
- c. Food prep sink
- c. Fixture drain
- c. Brass
- d. 50 mm
- c. All of the above
- d. PVC drainage to ABS drainage
- a. Corrosion resistant
- b. 1.5 in.
- c. 7.5 m
- a. Upstream
- b. 25 mm
- c. After testing the joint
- c. 3 m
- b. 1.2 m
- d. Brazed or flare
- d. Any of the above
- d. Brass
- c. Drinking fountain
- c. 3900 FU
- b. 1.5 m
- c. 1.25 in.
- b. Where the wall and floor surfaces are pervious to water
- c. Wye fitting
- a. Directly over the upstream side of the trap
- d. Any of the above
- a. Yes
- c. Union, check valve, shut-off valve
- b. Normally open
- c. Backwater valve, gate valve, or removable screw cap on the upstream side of the trap
- a. Minimum 4 in. NPS in size
- c. Same size of the drainage pipe being served
- b. 15 m
- c. As close as practicable to where the building drain leaves the building
- d. All of the above
- c. 1,000 mm
- b. 600 mm
- a. 150 mm
- c. 1.2 m
- b. 2 in.
- b. 600 mm
- c. Above the flood level rim of the washing machine
- d. Either a or c, whichever is less restrictive
- b. 2 in.
- d. There is no limit to the length of a wet vent.
- c. 2 in.
- c. 135º
- b. 3.5 m
- b. 4 in.
- d. 300 mm
- d. 150 mm
- d. 225º
- a. 4
- b. 8
- d. May have one offset that does not exceed 2.5 m in length
- c. 5 in.
- c. 4v
- d. Connected downstream of the most downstream circuit vented fixture.
- a. 1.5 in.
- c. Two relief vents for the offset
- c. Symmetrically connected
- d. Sized as a wet vent, minimum 2 in.
- d. No, it must be independent to open air.
- a. All fixtures draining to the wet vent, including the water closets
- c. 2 in.
- c. 3 in.
- a. All fixtures draining to the circuit-vented branch
- a. 1.25 in.
- d. 2 fixtures maximum 1.5 FU each
- a. 1.5 in. minimum size
- b. 1.5 in.
- c. 3 m
- b. No
- b. 150 mm
- a. 100 mm
