Structural Firefighting Nozzles and Tips
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Questions and Answers

What GPM does the 1 1/8" tip deliver?

  • 245 GPM
  • 265 GPM (correct)
  • 275 GPM
  • 255 GPM

    • Where is the 1 1/4" tip located?

  • On the Booster Line
  • On the Denver Bundles
  • On the Blitz Line (correct)
  • On the Trash Line

    • What GPM does the Chief 175 GPM Fog Nozzle deliver at 50 psi?

  • 150 GPM
  • 200 GPM
  • 225 GPM
  • 175 GPM (correct)

    • For what purpose is the Chief 175 GPM Fog Nozzle NOT utilized?

    <p>Structural firefighting</p> Signup and view all the answers

    What is the inlet size of the Chief 250 GPM Fog Nozzle?

    <p>2.5&quot;</p> Signup and view all the answers

    What is the flow rate of the 7/8" tip?

    <p>160 GPM</p> Signup and view all the answers

    What is the inlet size of the 2 1/2" shut-off?

    <p>2.5&quot;</p> Signup and view all the answers

    Which series of Elkhart Brass has a wider, horseshoe-style bale?

    <p>Legacy series</p> Signup and view all the answers

    Which tip is part of the two-piece assembly used with the 2 1/2" shut-off?

    <p>1 1/8&quot; tip</p> Signup and view all the answers

    Which Elkhart Brass series of shut-off has a shorter base?

    <p>XD series</p> Signup and view all the answers

    What is the diameter of the integral smoothbore in the 1 1/2" shut-off?

    <p>1 1/8&quot;</p> Signup and view all the answers

    What is the designed flow rate delivered by the 1 1/2" shut-off?

    <p>265 GPM</p> Signup and view all the answers

    Which series are the Elkhart Brass 1 1/2" shut-offs available in?

    <p>Legacy and XD series</p> Signup and view all the answers

    What is the required handline flow rate for commercial fires as per SOG 203.09?

    <p>250 GPM</p> Signup and view all the answers

    What are the inlet and outlet diameters of the 1 1/2" shut-off?

    <p>1.5&quot;</p> Signup and view all the answers

    Which type of hose is this nozzle compatible with?

    <p>2.25&quot; hose</p> Signup and view all the answers

    Which hose diameter is not compatible with this nozzle?

    <p>4&quot; hose</p> Signup and view all the answers

    On which type of lines is this nozzle generally deployed?

    <p>tertiary lines</p> Signup and view all the answers

    The nozzle can be used with which of the following hose diameters?

    <p>2.25&quot;</p> Signup and view all the answers

    Which hose diameter is incorrect for this nozzle?

    <p>2.0&quot;</p> Signup and view all the answers

    What is one of the hose diameters compatible with this nozzle?

    <p>2.25&quot;</p> Signup and view all the answers

    Which nozzle compatibility is accurate?

    <p>2.25&quot;, 2.5&quot;, and 3&quot; hoses</p> Signup and view all the answers

    Study Notes

    Structural Firefighting Nozzles and Tips

    Shut-Offs

    • The District uses 1 1/2" and 2 1/2" shut-offs, both made by Elkhart Brass, in Legacy and XD series.
    • The 1 1/2" shut-off has an integral smoothbore with a diameter of 1 1/8", delivering 265 GPM, and complies with SOG 203.09.
    • The 2 1/2" shut-off has a 2.5" inlet and 1.5" outlet, and is paired with medium-diameter hose lines that deliver over 200 GPM.

    Tips

    • The 7/8" tip is the primary tip for small diameter attack lines, delivering 160 GPM.
    • The 1" tip is used in a two-piece assembly with a 1 1/8" tip, delivering 210 GPM, and is connected to a 2 1/2" shut-off.
    • The 1 1/8" tip is a component of the two-piece tip assembly, delivering 265 GPM, and can be paired with the dedicated overhaul tip.
    • The 1 1/4" tip is used on the Blitz Line, delivering 325 GPM, and is utilized for transitional fire attack, significant fire conditions, or exposure protection.

    Fog Nozzles

    • The Chief 175 GPM fog nozzle is used as an auxiliary nozzle on the Trash Line, delivering 175 GPM at 50 psi, and is not used for structural firefighting.
    • The Chief 250 GPM fog nozzle is used as an auxiliary nozzle, paired with medium-diameter hose, and is deployed on tertiary lines, compatible with 2.25", 2.5", and 3" hoses.

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    Description

    This quiz covers the use of 1 1/2" shut-off nozzles and tips in structural firefighting, including their design and compliance with commercial fire regulations.

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