Term
| What can the siphon ejector be used for? |
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Definition
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firefighting operations or dewatering operations
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Term
| What are three sizes of siphon ejectors used by the LAFD? |
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Definition
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2 1/2" Greenberg
1 1/2" Penberthy 67-A
1" Penberthey 65-A
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Term
| How do you know what size the ejector is? |
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Definition
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Identified by the female inlet on the supply side of the ejector
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Term
| What four components make up the siphon ejector? |
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Definition
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Inlet- high velocity jet
Suction
Discharge
Foot valve
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Term
| What is the procedure for placing the ejector into operation? |
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Definition
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Place apparatus close to water source.
Connect 1 1/2" line from engine discharge.
Connect 2 1/2" line to engine suction
Place ejector in water below surface
Open dump valve to fill siphon discharge line(2 1/2")
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Term
| How do you keep the pump from running away with water? |
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Definition
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Watch compound gauge, do not let the gauge drop below zero or the ejector will cease to operate
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Term
| Why do the hose lines run parellel to and from the ejector? |
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Definition
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to prevent kinks or bends
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Term
| What happens in the ejectors diffuser? |
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Definition
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velocity of water is converted to pressure greater than the suction pressure but lower than the motivating pressure. Confuser!
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Term
| How many lines can the penberthy 65A supply? |
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Definition
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Term
| How many lines can the penberthy 67A supply? |
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Definition
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Three 1" spray tips at 75 psi nozzle pressure
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