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54 Cards in this Set
- Front
- Back
Name 2 types of hydrants?
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Dry Barrel and Wet Barrel
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What is the size of a residential hydrant supply main?
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At least 6 inches
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What is the size of a indstrial hydrant supply main?
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At least 8 inches
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The hydrant's bonnet, barrel, footpiece are made of____?
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Cast Iron
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The hydrant's working parts are made of ____?
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Bronze
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What is the ideal minimum distance between hydrants?
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300 feet
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Name 5 things to look for when checking hydrants?
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Obstructions, Clearence, Damage, Rust and Corosion, Operation
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Define Drafting?
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Raising water from static water supply to a pumper
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Define Fittings?
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Connect hoses of different sizes and threads
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Define Adapter?
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Fitting to connect couplings with dissimilar threads but same size
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What do double males and double females do?
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Allow hoses to be connected when both couplings are same sex
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Define Reducer.
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Fitting to extend larger hoseline by connecting a smaller one
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Define Elbow?
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Change direction of flow
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Define Hosecap?
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Close off male coupling
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Define Hose Plug?
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Close off female coupling
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Define Valves?
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Control water flow in hoselines, hydrants, pumpers, etc.
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Name 4 types of valves and their locations?
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Ball Valve, pumper discharge and gated wyes; Gate Valve, hydrant; Butterfly, large pump intake; Clapper, siamese
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Define Valve Devices and name 3 types?
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Increase or Decrease number of hoselines; Wye, Siamese, Hydrant Valve
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What is a Siamese used for?
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Combines hoselines to overcome FL in long lays or large flows
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Define Hydrant Valve or Humat?
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Allows original supply line to be connected to hydrant and charged before another pumper arrives to boost pressure without interrupting flow
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What is the difference between a hose appliance and a hose tool?
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Water flows through an appliance but not a tool
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Name 4 types of Hose Appliances?
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Valves, Valve Devices, Fittings, Intake Devices
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Name 5 types of Hose Tools?
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Rollers, Spanners, Straps, Jackets, Clamps
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Name 5 uses for Spanners?
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Tighten and Loosen couplings, Prying, Utility Valve Key, Pull Nails, Hammering
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Name 3 uses for Hose Straps?
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Secure hose to handle pressure, Secure hose to ladder, Carry and Pull hose
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Name 3 types of hose clamps?
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Screw down, Pressdown, Hydraulic Press
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What is the proper location for apply a hose clamp?
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At least 20 feet behind apparatus and within 5 feet of coupling on incoming side
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What are 2 uses for a hose jacket?
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To seal ruptures and to connect hose with mismatched or damaged couplings
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Define Fire Hose?
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Flexible tube used to carry water under pressure from supply source to point of discharge
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Define Intake Hose?
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Connects pump to water source
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Define Storz?
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Sexless coupling with one-third turn connection
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What is NFPA 1901 requirement for hose on apparatus?
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15 feet large soft sleeve or 20 feet hard suction; 1200 feet of 2.5 inch or larger supply hose; 400 feet attack hose
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Name 5 types of couplings?
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Threaded, Storz, Quarter Turn, Rocker Lug, Snap
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What are the 2 most common types of couplings?
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Threaded and Storz
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Name 3 types of coupling construction methods?
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Drop forged, extruded, cast
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Which coupling construction method is the strongest? Weakest?
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Strongest is Drop Forged; Weakest is Cast
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Name 3 types of lugs?
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Pin, Rocker, Recessed
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Name 2 types of coupling gaskets?
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Swivel Gasket and Expansion Ring
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Define Swivel Gasket?
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Provide water tight connection between male and female
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Define Expansion Gasket?
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Located at end of hose expanded into shank
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What is the physical difference between a swivel gasket and an expansion ring?
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Thickness
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What is a finish?
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Arrangement place on top of hoseload and connected to end
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What is proper procedure for connecting attack line to stand pipe?
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Stop 1 floor below fire floor, take notice of floor layout, detach building hoseline, check for proper adapter, check for debris
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What are site requirements for hose testing?
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Room for straight runs, away from traffic, smooth and clean area, slight grade
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What are equipment requirements for hose testing?
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Helmut, pumper, test gate valve, marker, chechsheets, tags, nozzles with shutoffs
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What is the maximum length allowed per hoseline when testing?
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300 Feet
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Name 4 types of hose rolls and their uses?
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Straight Roll for loading, washing, and storing; Donut Roll for quick deployment; Twin Donut Roll for compact carry; Self Lock Twin Donut Roll for hospital roll
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Name 3 types of hoseloads?
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Accordian, Horseshoe, Flat
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What is the purpose of a split hosebed?
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Allow for both forward and reverse lays
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Name 3 types of preconncected hoseloads?
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Flat, Triple Layer, Minuteman
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Name 3 types of supply hose lays?
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Forward, from water source to fire; Reverse, from fire to water source; Split Lay
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Name 2 types of Hose Tests?
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Acceptance and Service
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Define Higbee Cut?
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Cut in beginning of thread designed to eliminate cross threading
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Where is the Higbee Indicator located?
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On Swivel Lug
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