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32 Cards in this Set
- Front
- Back
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Relatively small-diameter underground pipes that deliver water to local users within a neighborhood.
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Distributors
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A permanent piping system that provides access to draft water from a static water source, sometimes called a drafting hydrant.
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Dry hydrant
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A type of hydrant used in areas subject to freezing weather. The valve that allows water to flow into the hydrant is located underground, and the barrel of the hydrant is normally dry.
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Dry-barrel hydrant
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A large valve installed on a mobile water supply apparatus to allow the contents of the tank to be discharged quickly.
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Dump valve
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An above-ground water storage tank that is designed to maintain pressure on a water distribution system.
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Elevated water storage tower
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The amount of pressure created by gravity. Also known as head pressure.
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Elevation pressure
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The amount of pressure created by moving water.
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Flow pressure
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A water distribution system that depends on gravity to provide the required pressure. The system storage is usually located at a higher elevation than the end users.
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Gravity-feed system
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A fire department vehicle that is designed to transport water to the scene of a fire. Also called a tanker or tender.
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Mobile water supply apparatus
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A water distribution system that is designed to deliver potable water to end users for domestic, industrial, and fire protection purposes.
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Municipal water system
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The amount of pressure created by gravity. Also known as head pressure.
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Elevation pressure
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The amount of pressure created by moving water.
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Flow pressure
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A water distribution system that depends on gravity to provide the required pressure. The system storage is usually located at a higher elevation than the end users.
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Gravity-feed system
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A fire department vehicle that is designed to transport water to the scene of a fire. Also called a tanker or tender.
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Mobile water supply apparatus
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A water distribution system that is designed to deliver potable water to end users for domestic, industrial, and fire protection purposes.
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Municipal water system
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A water distribution system that is designed to deliver potable water to end users for domestic, industrial, and fire protection purposes.
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Municipal water system
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The observed static pressure in a water distribution system during a period of normal demand.
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Normal operating pressure
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A type of gauge that is used to measure the velocity pressure of water that is being discharged from an opening. It is used to determine the flow of water from a hydrant.
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Pitot gauge
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Folding or collapsible tanks that are used at the fire scene to hold water for drafting
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Portable tanks
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The largest-diameter pipes in a water distribution system, carrying the greatest amounts of water.
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Primary feeders
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A privately owned water system that operates separately from the municipal water system.
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Private water system
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A water storage facility.
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Reservoir
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The pressure that exists in the distribution system, measured at the residual hydrant at the time the flow readings are taken at the flow hydrants
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Residual pressure
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Smaller-diameter pipes that connect the primary feeders to the distributors.
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Secondary feeders
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Any valve that can be used to shut down water flow to a water user or system.
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Shut-off valve
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The pressure that exists at a given point under normal distribution system conditions measured at the residual hydrant with no hydrants flowing.
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Static pressure
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A water source such as a pond, river, stream, or other body of water that is not under pressure.
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Static water source
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The large-diameter port on a hydrant.
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Steamer port
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A method of transporting water from a source to a fire scene using a number of mobile water supply apparatus.
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Tanker shuttle
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The generic term for any underground water pipe
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Water main
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A source of water.
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Water supply
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A hydrant used in areas that are not susceptible to freezing. The barrel of the hydrant is normally filled with water.
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Wet-barrel hydrant
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