Term
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Definition
accordion load, flat load, horshoe load
oakland uses a flat load. |
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Term
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Definition
used for attack lines
attached to a pump discharge.
these are out cross lays. |
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Term
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Definition
for supply or attack line
line often ends with apaters, hose strap, hydret wrench and spanner attached |
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Term
| upon reaching the fire area how many feet of working line should be available? |
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Definition
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Term
| 50 ft of hose line OUTSIDE of a builing will reach ___A.____ floors, and ____B.___ floor when taken inside via stairwell. |
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Definition
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Term
| Crew members on a hoseline go in this order? |
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Definition
| 1)nozzleperson on nozzle 2)officer a few feet behind 3)second FF halfway to coupling 4)engineer at the engine. |
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Term
| When advancing an uncharged hose over a ladder how far apart should the FF be? |
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Definition
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Term
| what are two tools that are used to shut off the h2o when you need to extend a hoseline? |
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Definition
| hose clamps, break apart nozzle |
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Term
| Name three types of hose lays? |
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Definition
| forward lay, reverse lay, split lay |
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Term
| why might crews employ a split lay? |
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Definition
| the fire and water are in two different directions, such as on two different streets, thus needing to split the lay between two engines |
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Term
| This hose appliance connects two or more hoselines into one line with either a clapper or gate valve if only one line is connected? |
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Definition
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Term
| This hose appliance divides one hoseline into two or more? |
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Definition
| A Wye (wye lines may be same size or smaller) |
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Term
| What denotes and Inservice roll vs. and out of service roll |
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Definition
| a roll that is in service will have th male coupling at the center of the roll. |
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Term
| what is the forward lay, and why is it the preffered method? |
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Definition
| engine stops first at water source to drop off supply line and then advances to fire location. preferred b/c attack engibe is close to fire for additional hoselines/ euiptment, and only one engine is need for water supply. |
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Term
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Definition
| supply line is dropped off at fire location and the engine laying hose towards the water source |
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Term
| When laying a line up a stair well how should hose be flaked? |
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Definition
| up the outside of the stair well and around the outer corners of each bend . nozzle at fire door, first 50' flaked out on stairway above fire floor with 1st coupling on ssame landing as nozzle. |
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Term
| If you are lead off, what do you do after you have hooked up the hydrant? |
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Definition
| find the engineer, help flake out preconnected line, bring 1st coupling to nozzle, and bring some tools and back up nozzleperson. |
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Term
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Definition
remove air from hose/nozzle
check for adequate operating pressure |
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Term
| what is the minimum flow pressure in the OFD for interior attack? |
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Definition
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Term
| what is the purpose of ears? |
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Definition
| to assist with hose deployment. the first loop should give you 50 feet of hose and a nozzle |
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Term
| what is the difference between a back uop line and a second line? |
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Definition
| back up line is used to protect crews in the fire, if all is well this line will be charged but not flowing. a second line is actively flowing water to suppress the fire |
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Term
| what GPM does the akron assault 4714 nozzle deliver? what about the 4824? |
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Definition
4714=150 gpm @ 50 psi
4824= 250 gpm @50 psi |
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Term
| how do we remove/prevent kinks? |
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Definition
| flaking out the hose properly prior to calling for water- feeding hoseline at corners "boxing out the corners", checking for kinks as you follow a hoseline into a structure |
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Term
| when would we use a 2 1/2" or greater hoseline? |
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Definition
A dvanced fire
D efensive operarions
U nable to locate
L arge compartment
T tons of water needed
s standpipe operations |
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Term
| when do we use the high rise/ hotel packs? |
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Definition
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Term
| what is the realtionship between hose diameter and friction loss? |
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Definition
| the greater the diameter the less friction loss. |
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Term
| what is the purpose of the four way? |
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Definition
| to convert hydrant pressure to engine pressure or "to increase the water pressure without interrupting the water supply" |
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Term
| name the 4-ways in the OFD? |
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Definition
blake, legere, akron and hummet.
acronym BLAH |
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Term
| what are the advantages of low pressure nozzles? |
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Definition
| less nozzle reaction, reduced engine and nozzle pressures cause hose to be less stiff/ easier to maneuver, droplets tend to be larger than those on the existing smooth bore nozzle. |
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Term
| what do you wnat with you at the fire door? |
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Definition
| nozzle and the first coupling |
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Term
| what can the lead off person do to assist the nozzle? |
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Definition
| clear the hose bed, bring the irons, and flake out hose/ bring more hose. |
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Term
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Definition
| the first person who goes through it |
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Term
| how do you hoist a hose with rope? |
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Definition
| i person attaches rope on fire floor, throws rope bag down to peron with nozzle. nozzle is the hoisted up to firefloor with hose, hose is secured with larks foot/ clove hitch |
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Term
| what knot do you use when hoisting the nozzle with rope? |
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Definition
| figure eight on a bight, throgh the handle and around the nozzle |
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Term
| when will the lead off person typically need assistance? |
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Definition
| if the hydrant has a locking cap. |
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Term
| what can the nozzle person easily do to assist the lead off person? |
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Definition
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Term
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Definition
| a short fold of hose or a reverse fold used when the coupling ends up where a fold should be, or when the coupling is too far forward. |
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Term
| moving a line of hose forward is called? |
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Definition
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Term
| what are the steps the lead off person will take? |
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Definition
| don SCBA-step down check for traffic-grab 4-way, tools, hose strap-wrap hydrant, yell "lay line" while behind hose-remove hose strap, open hydrant cap, connect 4 way, flake out hose,-"water!" charge line - grab tools check for kinks |
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Term
| when an officer tells you to proceed to a given location what should you do? |
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Definition
| repeat the order back to the officer and tell your back up person, proceed with a purpose. |
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Term
| what are the two types of nozzle theory? |
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Definition
| direct attack method/ indirect method (cheif layman theory) |
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Term
| what conditions must be in place for the indirect attack method to work? |
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Definition
| building must be reasonably enclosed, fire must already have generated a great amount of heat prior to attack. |
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Term
| what is the indirect method nozzle theory? |
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Definition
| inject fog into hottest part of fire, the overhead, and allow time for creation of steam to extinguish fire. |
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Term
| where is water applied in the direct attack method? |
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Definition
| at the base of the material at the flame feul interface? |
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Term
| would the indirect methos work on a building that was already vented? |
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Definition
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Term
| what are the two most important factors affecting fire extinguishment? |
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Definition
| rate of flow and water distribution. |
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