Review Questions on ABS Pipe Fittings

What is the purpose of an ABS sanitary tee in a DWV system?

• To prevent sewer gases from entering the house

• To connect a vertical drain pipe to a horizontal branch

• To cover the top of a vent pipe

• To join two sections of pipe together

Which ABS fitting is specifically designed to allow for a smooth connection between a branch drain and the main drain?

• Wye

• Elbow

• Coupling

• Cleanout

What is the main function of an ABS 45-degree elbow?

• To provide access for drain cleaning

• To make gradual turns in the drain system

• To secure a toilet to the floor

• To prevent debris from entering the vent pipe

An ABS 90-degree long sweep elbow is used to:

• Connect horizontal branches

• Create a sharp turn in the drain line

• Provide a smooth, long-radius turn for wastewater

• Transition between different pipe sizes

What is the function of an ABS P-trap?

• To connect two sections of pipe

• To provide an access point for maintenance

• To prevent sewer gases from entering the house

• To cover the end of a vent pipe

Which fitting is used to join two sections of ABS pipe in a straight line?

• Coupling

• Elbow

• Wye

• Cleanout

The ABS cleanout with plug is essential because it:

• Provides a gradual turn in pipe direction

• Connects the toilet to the floor

• Offers access for drain maintenance and cleaning

• Reduces pipe size transitions

An ABS reducer bushing is used in a DWV system to:

• Provide an airtight cover for the vent pipe

• Transition between different pipe sizes

• Connect a drain line to a sanitary tee

• Secure pipe sections together

What is the purpose of an ABS vent cap?

• To prevent sewer gases from entering the home

• To secure a toilet to the floor

• To prevent debris from entering while allowing airflow

• To join two different pipe sizes

An ABS closet flange is used to:

• Connect a toilet to the drain system

• Provide a transition in pipe diameter

• Cover the top of a vent pipe

• Allow for smooth flow transitions in the drain