<p> Essentials of Firefighting (4th Edition) Chapter 12-Fire Hose FF1 Test Review </p><p>What is FIRE HOSE? </p><p>. type of flexible tube used by firefighters to carry water under pressure from the source of supply to a point where it is discharged</p><p>What is a HOSE JACKET? </p><p>. a durable covering on fire hose</p><p>What are the 5 TYPES OF FIRE HOSE and their descriptions? </p><p>HOSE TYPE SI ZES COVER LINING OTHER Booster 3/4” or 1” Rubber Rubber Fabric reinforced 1 or 2 woven Woven-Jacket 1” to 6” Rubber fabric jackets Impregnated Single Jacket 1 1/2” to 5” Polymer Polymer Fabric & Wire (helix) Non-Collapsible Intake 2 1/2” to 6” Rubber Rubber reinforced Fabric & Plastic (helix) Flexible non-collapsible Intake 2 1/2” to 6” Rubber Rubber reinforced</p><p>How is the DIAMETER OF A HOSE measured? </p><p>. Inner diameter while under pressure</p><p>What are the most COMMON LENGTHS OF HOSE? </p><p>. 50 and 100 feet, other lengths available</p><p>What are SECTIONS? </p><p>. lengths of hose</p><p>What is INTAKE HOSE? </p><p>. hose used to connect a FD pumper or portable pump to a nearby water source</p><p>What is SOFT SLEEVE HOSE? </p><p>. used to transfer water from a pressurized water source to the pump intake What is HARD SUCTION HOSE? </p><p>. used primarily to draft water from an open water source . also used to siphon water from one portable tank to another in a tanker shuttle operation</p><p>Why is hard suction hose constructed of REINFORCED MATERIALS? </p><p>. to withstand the partial vacuum conditions created when drafting</p><p>What NFPA standard covers SPECIFICATIONS FOR FIRE HOSE? </p><p>. NFPA 1961</p><p>What NFPA standard covers SPECIFICATIONS for FIRE HOSE COUPLINGS and SCREW THREADS? </p><p>. NFPA 1963</p><p>What types of hose does NFPA 1901 require pumpers to carry? </p><p>TYPE OF HOSE SIZE OF HOSE QUANTITY OF HOSE Intake Hose Large 15 feet-soft sleeve or 20 feet-hard suction Supply Hose 2 1/2” or larger 1,200 feet Attack Hose 1 1/2”, 1 3/4”, or 2” 400 feet</p><p>What is SUPPLY HOSE? </p><p>. hose between the water source and attack pumper that provides large volumes of water</p><p>What is ATTACK HOSE? </p><p>. hose between attack pumper and the nozzle used to control and extinguish the fire</p><p>What is the most important factor to the LIFE OF FIRE HOSE? </p><p>. care it gets after a fire, in storage, and on the apparatus</p><p>What is the LIFE OF FIRE HOSE dependent on? </p><p>. Protection against mechanical injury, heat, mildew and mold, and chemical contacts</p><p>What are some MECHANICAL INJURIES of hoses? </p><p>. worn places, rips, abrasions on covers, crushed or damaged couplings, and cracked inner linings</p><p>How can MECHANICAL DAMAGE be prevented? . avoid laying or pulling hose over rough, sharp edges or objects . use hose ramps or bridges . open and close nozzles, valves, and hydrants slowly to prevent water hammer . change position of bends when reloading . provide chafing blocks to prevent abrasion near pumpers . avoid excessive pump pressure on hoselines</p><p>What will THERMAL DAMAGE do to hose? </p><p>. char, melt, or weaken the fabric covering and dry the rubber lining . may also occur in drying towers exposed to intense sunlight</p><p>How can THERMAL DAMAGE be prevented? </p><p>. Protect from exposure to excessive heat or fire when possible . Do not allow hose to remain in heated area after dry . Use moderate temperature for drying . Keep the outside of woven jacket hose dry . Run water through hose that has not been used for some time . Avoid laying fire hose on hot pavement to dry . Prevent exposure to exhaust systems . Use hose bed covers to shield hose from sun . HOSE CAN ALSO BE DAMAGED BY FREEZING TEMPERATURES</p><p>What are some ORGANIC DAMAGES that hose is subject to? </p><p>. mold and mildew that lead to decay and deterioration</p><p>How can ORGANIC DAMAGE be prevented? </p><p>. remove all wet woven jacket and replace with dry hose . remove, inspect, sweep, and reload woven jacket hose if it hasn’t been unloaded in 30 days . exercise woven jacket hose . every 30 days and run water through it every 90 days to prevent drying and cracking . some woven jacket is CHEMICALLY TREATED against mold and mildew but is not 100% effective . RUBBER JACKET hose is not subject to mold and mildew</p><p>How does CHEMICAL DAMAGE occur to hose? </p><p>. exposure to petroleum products, paints, acids, alkalis . chemicals may weaken hose to the point of bursting</p><p>How can CHEMICAL DAMAGE be prevented? . scrub hose thoroughly and brush all traces of acids with baking soda and water-baking soda neutralizes acids . remove hose from apparatus periodically and wash with plain water and dry thoroughly . test hose if there is the slightest suspicion of damage . avoid laying hose in gutters or near curbs where vehicles drop oil and battery acids . dispose of hose if exposed to hazardous materials and cannot be decontaminated</p><p>How is HARD-RUBBER BOOSTER, HARD SUCTION, and RUBBER-JACKETED HOSE cleaned? </p><p>. Rinse with clear water . use mild soap if appearance is important</p><p>How is WOVEN-JACKET hose cleaned? </p><p>. dust and dirt thoroughly brushed off . if exposed to oil, clean with mild soap or detergent . common scrub brushes and brooms with fire streams is sufficient</p><p>What is the most common type of HOSE WASHING MACHINE and how do they work? </p><p>. washes almost any size of hose up to 3 inches . movement of water assists in propelling hose through machine</p><p>What is a CABINET TYPE HOSE WASHING MACHINE used for? </p><p>. washes, rinses, and drains fire hose . designed to be used at the station . operated by one person . used with or without detergents</p><p>How is hose DRIED? </p><p>. Hard-rubber booster, hard suction, and rubber-collapsible-placed back on apparatus wet . Woven-Jacket must be thoroughly dried before reloading</p><p>How is hose STORED? </p><p>. hose racks located in clean, well-ventilated rooms close to apparatus room . racks can be freestanding or wall-mounted . mobile hose racks used to store and to move hose to apparatus</p><p>What are the different MATERIALS used in fire hose couplings? </p><p>. alloys in varied percentages of brass, aluminum, magnesium What are the different TYPES OF COUPLINGS? </p><p>. MOST COMMON-threaded and storz . Also available-quarter turn, oilfield rocker lug, and snap (also called Jones Snap)</p><p>What is an advantage of BRASS and ALUMINUM ALLOY couplings? </p><p>. they will not rust</p><p>What are the different types of ways to MAKE COUPLINGS? </p><p>. forging, extruding, or casting</p><p>What COUPLING TYPES are STRONGEST? </p><p>. STRONGEST-drop-forged . MEDIUM STRENGTH-extruded . WEAKEST-cast (rarely used in modern fire service)</p><p>What are the two types of THREADED COUPLINGS? </p><p>. 3-piece and 5-piece</p><p>When are 5-PIECE COUPLINGS used? </p><p>. (REDUCING) when coupling size is smaller than the hose to which it is attached</p><p>When are 3-PIECE COUPLINGS used? </p><p>. so that hoses of different sizes can be connected without adapter fittings . also used for intake hose and equipped with extended lugs</p><p>What is a SHANK? </p><p>. portion of the coupling that serves as the point of attachment to the hose . also called tailpiece, bowl, or shell</p><p>How is the MALE END noted? </p><p>. by the lugs on the shank</p><p>How is the FEMALE END noted? </p><p>. by the lugs on the swivel What do LUGS do? </p><p>. aid in tightening and loosening connections</p><p>What are SPANNERS? </p><p>. a tool to aid in grasping the coupling (lugs) to make and break connections</p><p>What type of LUGS are not common and why? </p><p>. PIN TYPE- they snag on objects when dragged</p><p>What type of LUGS are commonly found on BOOSTER HOSE? </p><p>. recessed lugs (shallow holes drilled into coupling)-prevents abrasion</p><p>What type of LUGS are used in most modern fire hose? </p><p>. rocker lugs (help the coupling slide over objects) . usually 2 or 3 lugs</p><p>What is a HIGBEE CUT? </p><p>. special type of thread design which the beginning of the thread is cut to provide a positive connection . tends to eliminate cross-threading</p><p>What is the HIGBEE INDICATOR? </p><p>. mark on each coupling that indicates where the Higbee Cut begins</p><p>What are STORZ-TYPE COUPLINGS sometimes referred as? </p><p>. sexless couplings</p><p>What are the features of a STORZ COUPLING? </p><p>. connected and disconnected with a 1/3 turn . locking components are grooved lugs and inset rings built into the swivel</p><p>Which COUPLING is exposed when not connected? </p><p>. male coupling</p><p>What are the rules for caring for COUPLINGS? . avoid dropping or dragging . do not permit vehicles to drive over . examine when washed and dried . remove gasket and twist swivel in warm, soapy water . clean threads to remove tar, gravel, dirt, and oil . replace gasket if cracked or damaged</p><p>When will HOSE-WASHING machines not clean couplings? </p><p>. when stiff or sluggish from debris . male threads should be cleaned with a suitable brush . wire brush may be necessary if threads are clogged by tar, asphalt, or other debris . swivel should be submerged in warm, soapy water and turned</p><p>What are SWIVEL GASKETS used for? </p><p>. to make the connection water tight</p><p>What is an EXPANSION GASKET used for? </p><p>. used at the end of the hose where it is expanded into the coupling</p><p>What is the difference between a SWIVEL and EXPANSION GASKET? </p><p>. thickness and width</p><p>What is a complete HOSE LAYOUT for firefighting purposes? </p><p>. one end at a water source and other end attached to a discharge device</p><p>What are some HOSE APPLIANCES? </p><p>. valves, and valve devices (wyes, siameses, water thieves, LDH appliances, and hydrant valves) and intake devices</p><p>What are some HOSE TOOLS? </p><p>. hose rollers, spanner wrenches, hose rope tools, hose ramps, hose jackets, blocks, and hose clamps</p><p>Define HOSE APPLIANCE. </p><p>. any piece of hardware used with fire hose to deliver water</p><p>How are BALL VALVES used? . in pumper discharges and gated wyes . open when handle is in line with hose . closed when at a right angle to the hose . also used in fire piping systems</p><p>How are GATE VALVES used? </p><p>. used to control the flow from a hydrant . baffle moved by a handle and screw arrangement</p><p>How are BUTTERFLY VALVES used? </p><p>. used on large pump intakes . flat baffle operated by a 1/4 turn handle . baffle in center of waterway when open</p><p>How are CLAPPER VALVES used? </p><p>. used in siamese appliances . allow only one hose to be attached and charged before the addition of other hoses . clapper is a flat disk hinged on one side and swings in a door-like manner</p><p>What do valves do to the NUMBER OF HOSELINES operating at a fireground? </p><p>. increase or decrease them</p><p>What is a WYE APPLIANCE? </p><p>. divide a hoseline into two or more hoselines . MOST COMMON-(1) 2 1/2" inlet and (2) 1 1/2" outlets . Also used to produce 2 1/2" lines from a 2 1/2" or larger line</p><p>What is a SIAMESE APPLIANCE? </p><p>. use to bring 2 or more hoselines into one hoseline . typically has 2 or 3 inlets and one outlet (male) . used with or without clapper valves . COMMONLY used to overcome friction loss of hose lays over long distances . Also used to supply ladder pipes</p><p>What are WATER THIEF APPLIANCES? </p><p>. variation of the wye appliance . MOST COMMON- (1) 2 1/2" inlet, (1) 2 1/2" discharge, (2) 1 1/2" discharges . 1/4 turn handles control the valves . intended for 2 1/2" or larger hose near the nozzle</p><p>What are LDH APPLIANCES? </p><p>. generally have (1) 4 to 5 inch inlet and 2 or more smaller outlets . some contain a discharge same size as inlet</p><p>What are HYDRANT VALVES? </p><p>. used when hose lay is from hydrant to fire scene (forward lay) . allows original supply line to be connected and charged before the arrival of another pumper at hydrant . pressure is boosted without interrupting the flow of original supply line</p><p>What are FITTINGS? </p><p>. for connecting hoses of different sizes and thread types</p><p>What are ADAPTERS? </p><p>. for connecting hose with disimilar threads but with same diameter . MOST COMMON-double male and double female . Used when lay is changed (forward vs reverse)</p><p>What is a REDUCER? </p><p>. used to extend a larger hoseline by connecting a smaller one to the end . COMMONLY found on pumper discharges so smaller hoselines can hook to pumper . Extending a line with a reducer limits option of adding hoselines if needed, gated wye doesn't</p><p>What are ELBOWS? </p><p>. fittings that change the direction of flow</p><p>What are HOSE CAPS? </p><p>. close off MALE couplings</p><p>What are HOSE PLUGS? </p><p>. close off FEMALE couplings</p><p>What are SUCTION HOSE STRAINERS? . intake devices attached to drafting hard suction hose to keep debris out</p><p>What is a HOSE ROLLER? </p><p>. designed to keep hose off sharp edges . metal frame with 2 or more rollers . aka-hose hoist</p><p>What is the most PRACTICAL way to replace a BURST HOSE SECTION? </p><p>. shut down water and replace</p><p>What is a HOSE JACKET? </p><p>. 2-piece metal cylinder that hinges over hose to seal a leaking hose . made in 2 sizes: 2 1/2 and 3 inch . can also be used to connect hose with mismatched or damaged threads</p><p>What is a HOSE CLAMP used for? </p><p>. to prevent charging the hose bed during hose-lay operations . allow replacement of burst hose sections without shutting off water . allow extension of a hoseline without shutting off water . allow advancement of a hoseline up stairs</p><p>What are the 3 types of HOSE CLAMPS? </p><p>. screw-down, press down, and hydraulic press</p><p>What are some general rules for HOSE CLAMPS? </p><p>. apply at least 20 feet behind apparatus . apply approximately 5 feet from coupling on the incoming water side . stand to one side when applying and releasing, NEVER OVER . center hose evenly in jaws to avoid pinching . close and open slowly to prevent water hammer</p><p>What is the purpose of a SPANNER WRENCH? </p><p>. MOST COMMON-to tighten and loosen couplings . Also, wedge for prying, closing gas utility valves, slot for pulling nails, flat surface for hammering</p><p>What are HYDRANT WRENCHES used for? . to remove caps from fire hydrants . handle may be threaded to be adjustable . may be of the ratchet type . may also be equipped with a spanner wrench</p><p>What is a RUBBER MALLET used for? </p><p>. used to strike extended lugs mainly found on pumper intakes and discharges</p><p>What are HOSE BRIDGES used for? </p><p>. to prevent injury to hose when vehicles cross it . aka-hose ramps . can be positioned over small spills to keep hose out of damaging liquids . also used as chafing blocks</p><p>What are CHAFING BLOCKS? </p><p>. wood, leather, or sections of old tires used to protect hose from pumper vibration</p><p>What are some tools that aid in CARRYING HOSE? </p><p>. hose straps, hose chains, and hose ropes . used to provide a secure means of handling pressurized hose when applying water . also used to secure hose to ladders or other fixed objects</p><p>When are STRAIGHT ROLLS used? </p><p>. when loaded back on apparatus at fire scene . when returned to quarters for washing . when placed in storage . also used for easy loading of the minuteman load . when hose is damaged, roll female coupling first</p><p>When is the DONUT ROLL used? </p><p>. where hose is going to be deployed for use from a roll</p><p>What are 3 ADVANTAGES of a DONUT ROLL? </p><p>. both ends are available on the outside of the roll . may be quickly unrolled . less likely to spiral or kink when unrolling When is the TWIN DONUT ROLL used? </p><p>. for 1 1/2" and 1 3/4" hose . used to arrange a compact roll that can be used in special situations such as high-rise operations</p><p>When is the SELF-LOCKING TWIN DONUT ROLL used? </p><p>. uses the hose to make a carrying strap</p><p>What is a HOSE BED? </p><p>. the fire hose compartment</p><p>What is the front and rear of the HOSE BED? </p><p>. front-at front of the apparatus . back-at back of apparatus</p><p>How are the bottoms of HOSE BEDS made? </p><p>. with open slats to enable air to circulate</p><p>What is a HOSE BED divided into 2 or more compartments? </p><p>. a split hose bed</p><p>What are HOSE BED dividers (separators) usually made of? </p><p>. sheet metal</p><p>How should hose be stored in a SPLIT HOSE BED? </p><p>. hose should be connected in case a long lay is necessary</p><p>What are HOSE FINISHES? </p><p>. arrangements of hose usually placed on top of the load and connected to the end of the load</p><p>What are the 3 most common loads for SUPPLY LINE? </p><p>. accordion, horseshoe, and flat loads</p><p>What are some general guidelines on LOADING HOSE? </p><p>. check gaskets and swivels before loading . keep flat sides of hose in same plane when sections are connected . tighten couplings hand tight . remove wrinkles . place a dutchman (short fold or reverse bend) in hose so that couplings do not have to flip out of bed . load LDH (3 1/2" or larger) with couplings at front of bed . do not pack to tightly</p><p>What is an advantage of the ACCORDION LOAD? </p><p>. ease of loading . hose for shoulder carries can be easily taken from bed</p><p>What is the primary advantage of HORSESHOE LOADS? </p><p>. fewer sharp bends in hose</p><p>What are some disadvantages of the HORSESHOE LOAD? </p><p>. hose sometimes comes out of bed wavy . shoulder carry of folds is not possible . hose can become entangled from folds falling over . hose is loaded on edge and promotes damage to edges</p><p>What is a COMBINATION LOAD? </p><p>. when one side of a split bed is loaded for a reverse lay and the other for a forward lay</p><p>What are the advantages of a FLAT LOAD? </p><p>. easiest to load . best for LDH hose . suitable for any size of supply hose . less damage from vibration that when on edge</p><p>What are the disadvantages of a FLAT LOAD? </p><p>. hose folds contain sharp bends at each end of the bed</p><p>How should LDH HOSE be loaded in a flat load? </p><p>. started 12-18 inches from front of bed (space reserved for couplings)</p><p>What are the 2 purposes of a DUTCHMAN? . change the direction of a coupling . change the location of a coupling</p>