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| When applining foam it is desirable to utilize a high quality foam stream. What % of the foam stream should land on the flammable liquid? |
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| The non-aspirating foam nozzle produces a high quality foam that expands to the optimum class B foam range of what ratio? |
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| Hydro foam nozzles can operate effectively at low nozzle pressures of what ? |
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| Why is the Hydro foam nozzle simple and reliable ? |
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Definition
| it does not have any moving parts |
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| The Hydro foam nozzle is recommennded for use at what psi? |
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| What is the flow in gpms for the HFN? |
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| The stream range of the HFN? |
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| The proportioned mixture is what for the HFN? |
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| The water inlet is what size? this makes capable to attach to a wagon battery and portable monitor or ladder pipe easily. |
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| JRC's have three ports what are they? |
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Definition
| inlet, dicharge, and suction |
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| The inlet female and the rigid male connections have what type connections? |
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Definition
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| The suction side of the JRC has what type connection? |
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Definition
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| How much hose do you need to reach from the JRC discharge to the Hydro foam nozzle? |
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| If you develope a hose lay what is the minimum amount of gpm at what psi, do you need from the source of water to the HFN? |
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| Due to _____ psi the 1 1/2" foam solution line running from the discharge side of the JRC to the inlet of the HFN will ______ easily. |
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| How many gallons of foam concentrate can you expect to use per minute if water is flowing? |
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Positive metering allows foam mixtures ranging from what?
In line faom eductor |
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Term
| The in-line foam eductor(ILFE) can be utilized with what size hose? |
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Definition
| 1 1/2" and 1 3/4" hose, couplings are the same size |
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Term
When using the 1 1/2" hose how far from the nozzle dou you place the eductor?
1 3/4" hose also? |
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Definition
150' on the 1 1/2"
250' on the 1 3/4" |
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| Always use what spray tip for both 1 1/2" and 1 3/4" hose? |
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Definition
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| What psi must you pump to the eductor? |
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What % do you select to use on the ILFE when using it on normal class B fires?
what % would you select for polar solvants? |
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