Firefighting Equipment: 1.78" Hose
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Questions and Answers

What is the flow rate delivered by the 7/8" tip?

  • 160 GPM (correct)
  • 200 GPM
  • 130 GPM
  • 210 GPM
  • Which series of Elkhart tips is currently used for the 7/8" tip?

  • Legacy Series
  • XP Series
  • Alpha Series
  • XD Series (correct)
  • What is the diameter of the inlet for the 2 1/2" shut-off?

  • 2 inches
  • 1 inch
  • 2.5 inches (correct)
  • 1.5 inches
  • What is a distinguishing feature of the Legacy series shut-off bale?

    <p>Wider, horseshoe-style bale</p> Signup and view all the answers

    Which district bundle utilizes the 1" tip paired with a 1 1/8" tip?

    <p>Denver Bundles</p> Signup and view all the answers

    Which GPM can the 1" tip assembly deliver?

    <p>210 GPM</p> Signup and view all the answers

    What is the primary supply hose used by the District?

    <p>5&quot; LDH</p> Signup and view all the answers

    For which type of incident is a booster hose primarily used?

    <p>Brush fires</p> Signup and view all the answers

    What length of booster hose is carried on District engines?

    <p>200 feet</p> Signup and view all the answers

    What is a primary characteristic of hard suction fire hose?

    <p>It allows for negative pressure creation.</p> Signup and view all the answers

    What is the diameter of the hard suction carried by District engines?

    <p>6 inches</p> Signup and view all the answers

    How is the hard suction hose of the reserve tender different from that of the District engines?

    <p>It is 4 inches in diameter.</p> Signup and view all the answers

    What is the diameter of the Key Combat Sniper hose?

    <p>1.78 inches</p> Signup and view all the answers

    Which feature helps to visually distinguish the Key Combat Sniper 1.78" hose?

    <p>Green stripe bordered by black stripes</p> Signup and view all the answers

    How can the Key Combat Sniper 1.78" hose be carried?

    <p>Pre-connected lines, dead loads, Attack 100 bundles</p> Signup and view all the answers

    What is a notable advantage of the Key Combat Sniper 1.78" hose?

    <p>Can advance and operate with one firefighter</p> Signup and view all the answers

    What important function does the Key Combat Sniper 1.78" hose serve?

    <p>Delivering an effective fire stream</p> Signup and view all the answers

    Which other hose color pattern is NOT used to distinguish the Key Combat Sniper hose?

    <p>Green stripe bordered by black stripes</p> Signup and view all the answers

    Study Notes

    Hose Types

    • Key Combat Sniper 1.78" double jacket hose is the preferred choice for handheld attack lines, small enough for one firefighter to operate, with an effective fire stream delivery.
    • 5" LDH is the primary supply hose, delivering large volumes with minimal friction loss, preferred for operating from a hydrant.
    • Booster hose is used for brush fires, overhaul, and decontamination, available in 100' lengths, and carried on reels.
    • Hard suction hose is used for drafting water from a static source, rigid in construction, and available in 6" diameter (10' lengths) and 4" diameter (reserve tender).

    Firefighting Equipment

    Tips and Nozzles

    • 7/8" tip is the primary tip for small diameter attack lines, delivering 160 GPM, with a 1.5" inlet.
    • 2 1/2" shut-off is used with corresponding tips and nozzles, available in Elkhart Brass Legacy and XD series, with a 2.5" inlet and 1.5" outlet.
    • 1" tip is used in two types: single construction (Marine Firefighting Context Manual) and two-piece assembly (Denver Bundles), delivering 210 GPM, with male threads, and paired with 1 1/8" tip and 2 1/2" shut-off.

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    Description

    Learn about the Key Combat Sniper 1.78" double jacket hose, its uses, and applications in firefighting. Discover how engine companies carry and utilize this essential equipment.

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