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Questions and Answers
Which symbol represents a pedestaled lavatory?
Which symbol represents a pedestaled lavatory?
What does the abbreviation 'WH' refer to in plumbing?
What does the abbreviation 'WH' refer to in plumbing?
Which plumbing fixture uses the symbol 'HR'?
Which plumbing fixture uses the symbol 'HR'?
In the context of pipe fittings, what does 'LR' stand for?
In the context of pipe fittings, what does 'LR' stand for?
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What is represented by the symbol 'G' in plumbing diagrams?
What is represented by the symbol 'G' in plumbing diagrams?
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Which plumbing symbol is designated for a corner bathtub?
Which plumbing symbol is designated for a corner bathtub?
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Which symbol indicates a side outlet elbow with an outlet down in plumbing terminology?
Which symbol indicates a side outlet elbow with an outlet down in plumbing terminology?
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What does 'M' symbolize in the context of plumbing fixtures?
What does 'M' symbolize in the context of plumbing fixtures?
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Which option identifies a lavatory specifically designed for dental procedures?
Which option identifies a lavatory specifically designed for dental procedures?
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What type of tee is specifically mentioned as having an outlet down?
What type of tee is specifically mentioned as having an outlet down?
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Which of the following sinks includes both a dishwasher and a sink?
Which of the following sinks includes both a dishwasher and a sink?
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What type of drain is equipped with a backwater valve?
What type of drain is equipped with a backwater valve?
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Which outlet is attached to the wash sink?
Which outlet is attached to the wash sink?
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What component is used to connect pipes of different diameters?
What component is used to connect pipes of different diameters?
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What type of drainage is classified as 'Below Grade'?
What type of drainage is classified as 'Below Grade'?
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Which type of valve is associated with hot water supply systems?
Which type of valve is associated with hot water supply systems?
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Which type of valve would NOT be ideal for a gas line installation?
Which type of valve would NOT be ideal for a gas line installation?
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What is the primary function of a Float Valve in plumbing systems?
What is the primary function of a Float Valve in plumbing systems?
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Which fitting type is primarily used to change the direction of a pipe by 90 degrees?
Which fitting type is primarily used to change the direction of a pipe by 90 degrees?
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Which valve type is most appropriate for use in a vacuum system?
Which valve type is most appropriate for use in a vacuum system?
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In which applications is a Gate Valve most commonly used?
In which applications is a Gate Valve most commonly used?
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Study Notes
Plumbing Symbols
- Corner Bathtub: Represents a bathtub located in the corner of the room
- Drinking Fountain (Projecting-Type): Depicts a drinking fountain that extends from the wall
- Recessed Bathtub: Denotes a bathtub that is built into the wall
- Sitz Bath: Represents a specialized tub designed for therapeutic baths
- Shower Stall: Indicates a shower enclosure with walls and a door
- Pedestal Lavatory: Represents a sink mounted on a pedestal base
- Wall Lavatory: Depicts a sink mounted directly onto the wall
- Corner Lavatory: Denotes a sink located in the corner of a room
- Handicapped Lavatory: Represents a sink specifically designed for accessibility needs
- Dental Lavatory: Depicts a sink designed for dental offices
- Kitchen Sink, R & L Drain Board: Shows a kitchen sink with drain boards on both the right and left sides
- Standard Kitchen Sink: Denotes a typical kitchen sink installation
- Combination Sink & Dishwasher: Represents a kitchen sink combined with an integrated dishwasher
- Combination Sink & Laundry Tray: Depicts a kitchen sink with an integrated laundry tray
- Service Sink: Represents a utility sink typically used in commercial or industrial settings
- Wash Sink (Wall-Type): Indicates a type of sink typically found in restrooms or utility spaces
- Laundry Tray (Single): Depicts a single laundry tray
- Laundry Tray (Double): Denotes a laundry tray with two basins
- Water Closet (Tank-Type): Represents a toilet with a separate water tank
- Water Closet (Flush Valve, Floor Outlet): Depicts a toilet with a flush valve and an outlet that connects directly to the floor
- Water Closet (Flush Valve, Wall-Hung): Denotes a toilet with a flush valve and is mounted to the wall with no visible floor connections
- Water Closet (Integral Tank): Represents a toilet with the water tank built directly into the bowl
- Urinal (Wall-Hung): Depicts a urinal that is mounted to the wall
- Urinal (Stall): Indicates a urinal installed within a private stall
- Urinal (Trough-Type): Represents a long, trough-shaped urinal typically found in public restrooms
Pipe Fittings
- Elbow–90°: Represents a pipe fitting that changes the direction of the pipe by 90 degrees
- Elbow–45°: Depicts a pipe fitting that bends the pipe direction by 45 degrees
- Elbow – Long Radius (LR): Denotes a pipe fitting that bends the pipe direction with a longer radius, allowing for smoother fluid flow
- Elbow–Turned Up: Represents a pipe fitting that turns the pipe direction upwards
- Elbow–Turned Down: Depicts a pipe fitting that turns the pipe direction downwards
- Side Outlet Elbow: Indicates a pipe fitting that has a side outlet in addition to the main pipe flow
- Base Elbow: Represents a pipe fitting that connects to the bottom of the plumbing fixture
- Double Branch Elbow: Shows a pipe fitting that splits the pipe into two separate branches.
- Tee: Depicts a pipe fitting that allows for a branch connection to split off from the main pipe
- Side Outlet Tee: Indicates a pipe fitting with a side outlet in addition to the main pipe flow
- Tee – Outlet Up: Shows a Tee fitting with a connection that extends upwards
- Tee – Outlet Down: Depicts a Tee fitting with a connection that extends downwards
- Double Sweep Tee: Represents a Tee fitting where the connection extends on a gradual curve.
- Single Sweep Tee: Denotes a tee fitting with a single, sharp bend for the connection
- Cross: Indicates a pipe fitting that allows for four separate connections
- Reducing Elbow: Represents a pipe fitting that reduces the size of the pipe
- Concentric Reducer: Depicts a reducer that is centered along the pipe
- Eccentric Reducer: Denotes a reducer that is offset from the center of the pipe
- Joint: Represents a connection point for two pipe sections
Piping
- Soil and Waste (Above Grade): Shows piping designed to carry waste and sewage above ground level
- Soil and Waste (Below Grade): Depicts piping designed to carry waste and sewage underground
- Vent: Represents vertical piping used to ventilate drains and prevent sewer gas buildup
- Lateral: Shows a pipe connecting a building's plumbing drains to the main sewer line
- Service Sink: Indicates a pipe leading to a service sink
- Cold Water: Depicts piping for cold water supply
- Hot Water: Shows piping for hot water supply
- Hot Water Return: Represents piping that returns cooler water from the hot water system back to the water heater.
- Fire Line: Indicates piping connected to the fire sprinkler system
- Gas Line: Shows piping for natural gas supply
- Vacuum Cleaning: Depicts piping for a central vacuum cleaning system
- Compressed Air: Shows piping for a compressed air system
- Drinking Water Supply: Depicts piping for a main drinking water supply
- Drinking Water Return: Shows piping designed to return water from drinking water systems
- Acid Waste: Represents piping designed to carry acidic waste
Valves
- Gate Valve: Represents a type of valve that shuts off flow by inserting a gate into the path of flow
- Angle Gate Valve: Depicts a gate valve that is angled at 90 degrees, allowing for a tighter fit in confined spaces
- Globe Valve: Shows a valve type that throttles flow using a globe-shaped disc.
- Angle Globe Valve: Depicts a globe valve angled at 90 degrees.
- Check Valve: Represents a valve that prevents backflow in a piping system
- Angle Check Valve: Depicts a check valve that is angled at 90 degrees
- Stop Cock: Shows a type of valve that quickly shuts off the flow
- Quick-Opening Valve: Depicts a valve that opens and closes rapidly
- Float Valve: Represents a valve that controls the water level in a tank or other reservoir
- Motor-Operated Gate Valve: Shows a gate valve that is controlled by an electric motor
- Safety Valve: Represents a valve designed to relieve excess pressure in a system
Other
- HW: Short for Hot Water
- WH: Short for Water Heater
- HB: Short for Hose Bibb
- HR: Short for Hose Rack
- G: Represents a tee or gas pipe
- C: Short for Cleanout
- D: Represents a drain
- F: Short for Fire line
- O: Short for Oil or grease separator
- A: Short for Compressed Air
- V: Short for Vacuum
- TU: Represents a trough-type urinal
- M: Represents a motor-operated valve or meter
- DENTAL LAV: Short for Dental Lavatory
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Description
Test your knowledge about various plumbing symbols. This quiz covers essential symbols representing different types of bathtubs, sinks, and other fixtures commonly used in plumbing design. See how well you understand these important symbols used in plumbing layouts!
