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Sanitary Piping Layout Principles

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Questions and Answers

What is the purpose of a house/building sewer?

To convey the drainage of one building site to the street sewer (correct)

To connect the house drain to the foundation wall

To extend from the house drain to the junction with the street sewer

To convey the drainage from multiple building sites to the street sewer

What is the purpose of a sanitary cross fitting?

To allow for a vertical to horizontal change in direction

To not allow for any change in direction

To allow for multiple inlets at the same level (correct)

To allow for a horizontal to vertical change in direction

What is the purpose of a deep seal P-trap?

To allow for a horizontal to vertical change in direction

To provide a larger water seal for extreme conditions (correct)

To provide structural support for the fixture

To be used for fixtures that discharge large amounts of water

What is the purpose of a drum trap?

To be used for fixtures that discharge large amounts of water Signup and view all the answers

What is the purpose of a running trap?

To be used within the line of the house drain Signup and view all the answers

What is the purpose of a stand trap?

To provide a water seal and structural support for fixtures built low in the ground Signup and view all the answers

What is the primary function of a vent pipe in a sanitary drainage system?

To ensure efficient circulation of air and relieve negative pressure Signup and view all the answers

Which of the following is the correct description of a trap?

A device that provides a liquid seal to prevent backflow of foul air or methane gas Signup and view all the answers

What is the purpose of a house/building drain?

To receive discharges from soil, waste, and other drainage pipes inside the building and convey it to the house sewer outside Signup and view all the answers

Which of the following is the correct description of a stack?

The vertical main of a system of soil, waste or vent pipings extending through one or more stories and extended through the roof Signup and view all the answers