Term
What are the 4 basic types of high rise water systems? (Give the dates) |
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Definition
- Dry Pipe Pre 1960
- Wet Standpipe
- Combination 1960-1974
- Combined Post 1974
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Term
For DRY standpipe systems buildings constructed prior to 1960 were limited to ________. |
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Definition
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Term
WET Standpipe systems are required in buildings ______ or more stories in height. |
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Definition
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Term
How is water supplied to WET standpipe systems? |
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Definition
- domestic water
- gravity feed
- combination standpipe systems
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Term
What supplies the system pressure to a COMBINATION standpipe system? |
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Definition
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Term
Attached to outlets to prevent water from a leaking valve from entering the hose while while stored in the hose cabinet. |
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Definition
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Term
Designed to restrict the flow of water supplied at a particular outlet. |
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Definition
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Term
Orifice plates are designed to flow _______ GPM with _______ pounds of nozzle pressure. |
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Definition
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Term
Can you get the required nozzle pressure of 75 PSI if you fail to remove to orifice plate? |
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Definition
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Term
How are size of the Orifice plate determined? |
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Definition
static pressure on the SUPPLY side |
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Term
Used to prevent backflo in the domestic system. |
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Definition
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Term
Used to make up minor losses in the system pressure and prevents the main pump from continously starting and stopping. |
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Definition
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Term
Combined sprinkler systems are found in buildings constructed after 1974 that exceed _____ ft in height. |
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Definition
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Term
Pressure Reducing Valves (PRV) are ised in buildings with systems ___________psi or more? |
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Definition
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Term
PRV are pre-set to a pressure of _____________psi at ________ GPM? |
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Definition
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Term
What does the LAFD require from PRV's? |
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Definition
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Term
A "Looped System" is found in buildings that were constructed between 1983 and 1988. The water from a given sprinkler head id delviered from ? |
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Definition
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