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140 Cards in this Set
- Front
- Back
What are the three primary types of rope used? |
Life safety, escape, utility |
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Which NFPA sets the standards for ropes? |
NFPA 1983 |
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What are the two types of life safety rope? |
Technical Use, general use |
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What is the diameter of technical use life safety ropes? |
3/8" in or greater, but is less than 1/2" |
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True or false, technical rescue ropes are weaker than general use? |
True |
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What is the breaking strength of escape rope? |
3304 lbf |
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What is the breaking strength of technical use lofe safety rope? |
4496 lbf |
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What is the breaking strength of general use life safety rope? |
8992 lbf |
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What is the most common life safety rope carried by firefighters in the US? |
General use |
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What is the escape rope intended for? |
Self rescue |
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True or false, escape ropes are not classified as life safety ropes? |
True |
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When is utility rope used? |
When its not necessary to support the weight of a person |
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What material of rope floats? |
Polypropylene |
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What are the drawbacks of natural fiber ropes? |
Lose load carrying ability over time, subject to mildew, absorbs 50% of their weight in water, degrade quickly |
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Whhat types of synthetic materials are used in making rope? |
Polypropylene, polyester, and polyethylene |
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What are some drawbacks of synthetic ropes? |
Prolonged UV light, acids and alkalis can decrease life expectancy |
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Life safety rope must be woven of what type of construction? |
Block creel construction |
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Whats the most common synthetic fiber? |
Nylon |
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What are twisted ropes also known as? |
Laid ropes |
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Whats a disadvantage of twisted rope? |
Exposes fiber to outside of the rope (abrasion) |
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Dynamic rope is designed to be _______ |
Be elastic and stretch when its loaded |
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Static rope has a _______ range of elasticity |
Limited |
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What are two types of technical rescue hardware? |
Carabiner, harness |
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What is a class one harness? |
Ladder belt |
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What is a class two harness? |
Seat harness |
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What is a class 3 harness? |
Chest harness |
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What are the four parts of rope maintenance? |
Care, clean, inspect, store |
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Working end = _______ |
Forming the knot |
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Running end =_______ |
Used for lifting or hoisting |
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Standing part =_____ |
Between the working and running end |
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Safety knot is also known as? |
Overhand or keeper knot |
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Which knots wrap around an object, for hoisting? |
Hitches |
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Which knot needs to be used in conjunction with other knots because it is not secure by itself? |
Half hitch |
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Which type of knots joins two ropes together? |
Bend |
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Which knot is usefull when attaching to a ring or solid object with an "eye"? |
Figure eight follow through |
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Which figure eight knot can be used to tie a life safety rope around a person? |
Figure eight on a bight |
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What are the 9 basic knots? |
Safety, half hitch, clove hitch, figure 8, figure 8 om a bight, figure eight on a bend, figure eight follow through, bowline, bend |
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Water is obtained from which two sources? |
Municipal and static (lakes, ponds, pools, etc) |
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What are the colors of the Omaha fire hydrants? |
Red, orange, green, blue, maybe black |
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How fast does a blue top hydrant flow? |
1500 gpm and up |
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How fast does a green top hydrant flow? |
1000-1499 gpm |
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How fast does orange hydrant flow? |
500-999 gpm |
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How fast does red top hydrant flow? |
Less than 500 gpm |
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How far apart are hydrant locations in a high value area (omaha)? |
Every 300 ft |
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How far apart in a residential area are the hydrants? |
500 ft |
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What does a white adaptor mean? |
White = national standard fitting |
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What does a yellow painted adaptor mean? |
OFD adaptor |
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What are couplings used for? |
Connecting individual lengths of hose |
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How often are hoses tested? |
Annually |
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What must be kept for each piece of life safety rope? |
Rope record |
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Whats the reduction in strength for a bowline knot? |
33% |
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Whats the reduction in strength for a figure eight on a bight? |
20% |
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Whats the reduction in strength for figure eight follow through? |
19% |
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Which knot is formed by making a circle in the rope? |
Loop |
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Which knot is formed by making a loop and then bringing two ends of the loop parallel to each other? |
Round turn |
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What are the three categories of knots? |
Hitches, loops, bends |
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True or false, the water knot can be used to join webbing of the same or different sizes? |
True |
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Ropes constructed without knots or splices in the yarns, strands, or braids? |
Block creel |
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Drafting hydrants are also known as ____ |
Dry hydrants |
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Which hydrants use a strainer? |
Dry hydrant |
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A portable pump can deliver ____ gpm |
500 |
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Mobile water supply apparatus are also called? |
Tankers or water tenders |
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Tankers usually carry _____ to ______ gallons of water. |
1000 to 3500, with some as much as 5000 gallons |
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Portable tanks hold _____ to ____gallons |
600 to 5000 |
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Which tank or apparatus must be accesible from multiple directions? |
Portable tanks |
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How much and how fast can a dump valve transfer? |
3000 gal in one minute to portable tank |
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Where would you find wet hydrants? |
Climates that dont drop below freezing |
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Primary feeders carry ______ quantities of water to a section of town or city? |
Large |
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Secondary feeders distribute water to ____ areas |
Smaller areas |
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Where do distributors carry water to? |
Users and hydrants along individual streets |
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Pressure is measured in? |
PSI |
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Flow is measured in? |
GPM |
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Small diameter hoses range from? |
1 to 2 inches |
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How big is booster line? |
1 in |
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What type of hose is used for forestry or brush fires? |
Booster |
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Medium diameter hose ranges from? |
2.5-3 in |
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Whats the range for large diameter hose size? |
3.5 or more |
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Attack hoses are tested at what PSI? |
300 intended for 275 |
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Supply hoses are tested at what PSI? |
200 psi intended for 185 |
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Hoses up to 3in use what type of coupling? |
Threaded |
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What shows the position on a hose where the threads are aligned? |
Higbee mark |
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Large diameter hoses use what type of coupling? |
Storz |
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What are the common sizes of attack hose? |
1.5 or 1&3/4 in, 1 in booster or 1.5 forestry |
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Which device splits one hose streams into 2? |
Wye |
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Which connection combines two hose lines into one? |
Siamese |
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What does a four way hydrant valve do? |
Hydrant through valve to supply line, second engine connects, redirects flow. Supply engine Increases pressure to attack engine |
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General use life safety rope has strength of ______lbf |
8992 lbf |
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Technical use life safety rope has a strength of ______lbf |
4496 lbf |
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Escape rope has a breaking strength of ____lbf |
3304 |
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What rope is not used to support the weight of a person? |
Utility |
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General use life safety rope can be no larger than _____" and no smaller than ____" |
5/8" & 7/16" |
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What rope construction consists of fibers that are twisted into strands, and then strands are twisted together? |
Twisted or laid |
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True or false, life safety rope can also be used as a utility rope if needed? |
False |
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Which method of rope construction involves weaving and intertwining? |
Braided |
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What are the three types of rope construction? |
Twisted, braided, kernmantle |
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Which rope is typically used in safety lines for mountain climbing, dynamic or static? |
Dynamic |
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Which rope is more suitable for fire rescue situations, static or dynamic? |
Static |
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What type of rope construction do most fire departments use for life safety ropes? |
Static kernmantle |
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What is the design load of a class 2 harness? |
600lbs |
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Which supply line load is capable of laying both single and dual supply lines? |
Split bed |
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Hose that is at least 3.5 inches in diameter is considered _____ diameter |
Large |
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The pressure in a system when no water is flowing is called _____ pressure |
Static |
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A soft suction hose is used to connect a pumper to a ______ |
Hydrant |
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According to the NFPA, whats the minimum distance between the center of a fire hydrant outlet and the fi ished grade of the ground? |
18" |
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The volume of water that is being moved through a pipe or hose is termed the _____ |
Flow |
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Which pipe pattern supplies water to hydrants from more than one direction? |
Grid |
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What is the color code for a hydrant flowing 1500 gpm or more? |
Light Blue |
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Flow is measured in _____ |
Gpm |
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Which NFPA standard covers fire hose? |
1962 |
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In a ____ lay, hose is laid out from the fire to the hydrant |
Reverse |
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When water is motionless, which kind of energy does it have? |
Potential |
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Which hose appliance combines two hose lines into one? |
Siamese |
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How many GPM can a tanker shuttle operation deliver without interruption? |
Several hundred |
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How close must a fire engine get to a static water source to be able to draft directly from it? |
20ft |
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What color hydrant flows less than 500 gpm? |
Red |
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Two firefighter stiff arm method is used to ______ |
Uncoupling |
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How does a doughnut roll differ from a straight hose roll? |
Both couplings are on the outside |
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Which device splits one hose stream into two? |
Wye |
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Fire hydrants should be inspected once every ____ months |
12 |
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Whats an advantage of fog stream? |
Greater heat absorption |
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Which preconnected hose load does the FF shoulder part of the load, with hose paying off the top of that load as the FF advances? |
Minuteman |
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Which type of foam contains a surface-active agent that produces a fast spreading film? |
Fluoroprotein |
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Low surface tension of class A foam affects its extinguishing properties by ______ |
Enabling the water to penetrate the fuel more deeply |
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Whats the second stage of advancing an attack line? |
Advancing the line to the point of attack |
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Which type of nozzle is used most commonly with fluoroprotein foam? |
Aerating |
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Which nozzle type has the fastest flow rate? |
Master Stream |
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How does foam extinguish flammable liquid fires? |
Separates the fuel from the fire |
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1&3/4" attack hose can flow ______ |
120 to 180 gpm |
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Most common preconnected hose load? |
Minuteman |
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Which type of hose ranges from 1" to 1.5"? |
Forestry |
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Which type of foam is well suited for gasoline spills? |
AFFF |
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What is a benefit of class a foam? |
Reduces surface tension of water |
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Whats the correct procedure for deploying triple layer load? |
Place nozzle and top fold over the shoulder and walk away |
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How should FFs space themselves when advancing an uncharged line up a ladder? |
One FF on each ladder section |
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The function of a standpipe system is to provide _____ |
Water supply for interior attacks |
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Which type of fog stream nozzle provides a flow between 90 and 225 gpm? |
Automatic adjusting |
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Compared to fog nozzles, smooth bore stream _____ |
Absorb less heat |
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Batch mix 3% foam into a 500 gal tank requires how much foam concentrate? |
15 gal |
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Which statement about straight streams is correct? A) its the same as solid stream B) straight is discharged from an adjustable fog nozzle C) straight resists breakup better than solid stream D) straight is discharged from smooth bore |
Discharged from adjustable fog nozzle |
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A hose must be ____ when operating from a ladder |
Tied to the ladder |