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Questions and Answers
The primary objective of plumbing is to remove and discharge human wastes and other substances out of building into the public sewer or septic tank.
False
The drainage system should be designed to prevent the entry of vermin and gases into the house from the piping system.
True
The National Plumbing Code requires that all pipe joints must be loosely connected to allow for flexibility.
False
The drainage pipe should be graded or inclined upwards for a gravity flow of water towards the main sewer line or to the septic tank.
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Cleanout is not necessary for drainage pipes.
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The primary function of ventilation pipes is to convey gases to the sewer line.
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Backflow of used water into the water supply system is acceptable.
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Drainage systems must be designed to allow for slow removal of waste to prevent leakage and stoppage of drains.
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A drainage system is only required to conform with one or two requirements of the National Plumbing Code.
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The primary function of plumbing is to supply water to different parts of the building and to remove and discharge human wastes and other substances out of building into the public sewer or septic tank.
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Study Notes
Plumbing Objectives and Functions
- Primary objective is to remove and discharge human waste and other substances into public sewers or septic tanks.
- Plumbing systems also supply water to various parts of the building.
Drainage System Design
- Drainage systems must prevent vermin and gases from entering the home.
- Drainage pipes require proper grading for effective gravity flow toward sewer lines or septic tanks.
- Cleanouts are not essential for drainage pipes.
Compliance and Flexibility
- National Plumbing Code mandates that pipe joints must allow for flexibility by being loosely connected.
- Drainage systems must adhere to at least one or two requirements of the National Plumbing Code.
Ventilation Pipes and Gas Management
- Ventilation pipes serve to convey gases to the sewer line, maintaining system pressure and functionality.
Backflow Regulations
- Backflow of used water into the water supply system is considered acceptable under certain conditions.
- Drainage systems are designed for slow waste removal to avoid leakage and blockage of drains.
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Description
Learn about the main objectives of a plumbing system, including supplying water and removing waste. Understand the conditions for effective water supply and drainage systems in buildings.
