DWV System Trade Terms

ABS (Acrylonitrile Butadiene Styrene) is used for ______ in the DWV system.

• pipes and fittings

• electrical insulation

• thermal insulation

• structural support

PVC (Polyvinyl Chloride) is popular in DWV systems because:

• it is lightweight and easy to install.

• it is expensive and difficult to work with.

• it is not durable.

• it is not resistant to chemicals.

What is the function of a Vent Stack in the DWV system?

• To provide a path for air to enter the plumbing system

• To carry waste water to the sewer

• To prevent backflow of water

• To filter impurities from water

The purpose of a Trap in the DWV system is to:

• prevent sewer gases from entering the building

• increase water pressure

• filter water impurities

• regulate water temperature

What is a Cleanout used for in the DWV system?

• To allow access for cleaning and removing blockages

• To connect different sections of piping

• To measure water pressure

• To filter waste water

The role of a Stack Vent in the DWV system is to:

• allow air to enter the drainage system

• prevent sewer gases from entering the building

• facilitate the flow of wastewater

• equalize the pressure in the drainage system

The function of a Soil Pipe in the DWV system is to:

• carry rainwater from the roof to the ground

• transport sewage and waste water to the sewer or septic system

• supply fresh water to the building

• ventilate the plumbing system

A Waste Pipe in the DWV system carries:

• clean water

• wastewater

• electricity

• gas

A Sanitary Tee is used in the DWV system for:

• Connecting horizontal and vertical drain pipes

• Ventilation purposes

• Water supply connection

• Gas line connection

What are P-Trap and S-Trap, and how do they differ in usage?

• P-Trap is used in sinks and S-Trap is used in toilets.

• P-Trap and S-Trap are both used in sinks.

• P-Trap is used in toilets and S-Trap is used in sinks.

• P-Trap and S-Trap are both used in toilets.