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54 Cards in this Set
- Front
- Back
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____ ____ is used to deliver water from a static source or from a fire hydrant to an attack pumper.
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Supply Hose
pg 220 pump ops |
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Supply line sizes include: (5)
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1. 2 1/2"
2. 3" 3. 4" 4. 5" 5. 6" pg 220 pump ops |
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____ ____ is used to discharge water from an attack pumper onto the fire.
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Attack Hose
pg 220 pump ops |
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The nominal hose size refers to the ___________ of the hose when it is filled with water.
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Inside Diameter
pg 220 pump ops |
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_____-____ ___ ranges in size from 1" to 2" in diameter.
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Small-Diameter hose
pg 220 pump ops |
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_____-_____ ____ has a diameter of 2 1/2" or 3".
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Medium-Diameter Hose
pg 220 pump ops |
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_____-_____ ____ has a diameter of 3 1/2" or more.
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Large-Diameter Hose
pg 220 pump ops |
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Attack hose must be tested annually at a pressure of at least ____ psi and is intended to be used at pressures up to ____psi.
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300 psi test and operate up to 275 psi
pg 221 pump ops |
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Supply hose must be tested annually at a pressure of at least ____ psi and is intended to be used at pressures up to ____ pis.
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200 psi tested and operated up to 185 psi
pg 221 pump ops |
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Most fire departments use either ___" or ___" hose as the primary attack line for most fires.
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1 1/2" or 1 3/4"
pg 222 pump ops |
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Attack lines are often stored on fire apparatus as a reconnected attack line in lengths ranging from ____ to ____ feet.
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150 to 250 feet
pg 222 pump ops |
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A 1 1/2" hose can generally flow water at a rate between __ GPM and ____ GPM.
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60 GPM and 120 GPM
pg 222 pump ops |
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A 1 3/4 hose can flow between ____ and ____ GPM.
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120 and 180 GPM
pg 222 pump ops |
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A 2 1/2 handline is generally considered to deliver a flow of approximately ___ GPM.
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250 GPM
pg 222 pump ops |
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A 50' length of dry 2 1/2 hose weighs about ___ lbs. When the hose is charged and filled with water, however, it may weigh as much as ___ lbs per 100' length.
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30 lbs dry and 200 lbs with water per 100'
pg 222 pump ops |
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2 1/2" hose can provide higher flows-- up to ___ GPM can be achieved with higher pressures and larger nozzles.
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350 GPM
pg 222 pump ops |
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A booster hose is usually carried on a hose reel that holds ____ or ____ feet of rubber hose.
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150 to 200 feet
pg 222 pump ops |
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The normal flow from a 1" booster hose is in the range of ___ GPM.
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40 GPM
pg 222 pump ops |
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A single 5" supply line can deliver flows exceeding ____ GPM under some conditions.
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1500 GPM
pg 222 pump ops |
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A typical fire engine may carry anywhere from ___ to ___ feet of supply hose.
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600 to 1250 feet of supply hose
pg 222 pump ops |
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_____ ____ ____ is a short section of LDH that is used to connect a fire department pumper directly to the large streamer outlet on a hydrant.
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Soft Suction Hose
pg 222 pump ops |
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Soft suction hose can range from ___" to ___" in diameter and is usually between ___' and ___" in length.
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4" to 6" in diameter
and 10' to 25' in length pg 223 pump ops |
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A ____ ____ ____ is a special type of supply hose that is used to draft water from a static source such as a river, lake, or portable drafting tank.
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Hard Suction Hose
pg 223 pump ops |
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A ___ ___ _____ is any device used in conjunction with a fire hose for the purpose of delivering water.
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Fire Hose Appliance
pg 223 pump ops |
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A ____ is a device that spilts one hose stream into two hose streams.
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Wye
pg 223 pump ops |
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A ____ ____ is similar to a gated wye, but includes an additional 2 1/2" outlet. It is used primarily an attack lines.
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Water Thief
pg 225 pump ops |
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You should use the ___-___ methode to assemble the water thief to the 2 1/2" hose line and then connect the other lines to the appliance as needed.
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Foot-tilt methode
pg 225 pump ops |
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A _____ _____ is a hose appliance that combines two hose lines into one. The most commonly encountered type, combines two 2 1/2" hose lines into a single 2 1/2" hose line.
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Siamese connection
pg 225 pump ops |
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Most Siamese appliances contain a built-in ____ ____ to allow for one hose line to be charged before the other one is connected.
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Clapper valve
pg 225 pump ops |
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_____ are used for connecting hose couplings that have the same diameter but dissimilar threads.
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Adapters
pg 225 pump ops |
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a _____ is used to attach a smaller-diameter hose to a larger-diameter hose. Usually the larger end has a female connection and the smaller end has a male connection.
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A Reducer
pg 226 pump ops |
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A ____ ____ is a device that is placed over a section of hose to stop a leak.
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Hose Jacket
pg 226 pump ops |
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A ____ ____ is used temporarily stop the flow of water in a hose line. They often applied to supply lines so as to allow a hydrant to be opened before the line is hooked up to the intake of the pumper.
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Hose Clamp
pg 227 pump ops |
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____ are used to control the flow of water in a pipe or hose line.
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Valve
pg 227 pump ops |
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The following types of valves are commonly encountered on the fire ground. (4)
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1 Ball Valves
2 Gate Valves 3. Butterfly Valves 4. Four-way hydrant Valves pg 227 pump ops |
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_____ are attached to the discharge end of attack lines to give fire streams shape and direction.
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Nozzles
pg 228 pump ops |
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Nozzles can be classified into three groups:
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1. Low-volume nozzles
2. Handline nozzles 3. Master stream nozzles pg 228 pump ops |
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The nozzle shut off enables the fire fighter at th nozzle to start and stop the flow of water. The most commonly encountered is the _____-____ ____.
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Quarter-turn valve
pg 228 pump ops |
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The simplest smooth-bore nozzle consist of a shut off vavle and a ____-___ ___ that gradually decreases the diameter of the stream to a size smaller than the hose diameter.
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Smooth-Bore Tip
pg 228 pump ops |
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Most smooth-bore nozzles are designed to operate at ___ psi.
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50 psi
pg 228 pump ops |
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____-____ _____ produce fine droplets of water. This characteristic is important when immediate reduction of room temperature is needed to avoid a flashover.
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Fog-Stream Nozzle
pg 230 pump ops |
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Three types of fog-stream nozzles are available, they are:
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1 Fixed-gallonage fog nozzle
2. Adjustable-gallonage fog nozzle 3. Automatic-adjusting fog nozzle pg 230 |
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A fixed-gallonage fog nozzle delivers a preset flow at the rated discharge pressure. The nozzle could be designed to flow ___,___,or ___ GPM.
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30, 60, or 100 GPM
pg 230 pump ops |
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An adjustable-gallonage fog nozzle allows the operator to select a desired flow from several settings by rotating a selector bezel to adjust the size of the opening. For example, a nozzle could have the options of flowing ____, ____,or ____ GPM
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60, 95, or 125 GPM
pg 230 pump ops |
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A typical automatic nozzle could have an operating range of __ to ___ GPM while maintianing a discharge pressure of ____ psi.
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90 to 225 GPM while maintaining a discharge pressure of 100psi
pg 230 pump ops |
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_____ ____ are used to make a hole in automobile sheet metal, aircraft, or building walls or ceilings, so as to extinguish fires behind these surfaces.
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Piercing Nozzles
pg 232 pump ops |
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___ ___ and ___ ___ ___ are used to fight fires in cellars and other inaccessible places such as attics and cocklofts.
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Cellar Nozzles and Bresnan distributor nozzles
pg 232 pump ops |
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A 5" hose can supply 700 GPM over a distance of ____' and lose only about __ to __ psi of pressure due to friction loss.
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700 GPM over 500' and loss about 20 to 25psi in Friction loss
pg 233 pump ops |
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A ____ ____ ___ is preformed by two engine companies in situations where hese must be laid in two different directions to establish a water supply.
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Split hose lay
pg 235 pump ops |
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A ___ ___ occurs when you position the engine close to the fire scene and deploy the supply hose from the bed of the fire apparatus to the hydrant either yourself or with very little assistance from other fire fighters.
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Hand Lay
pg 239 pump ops |
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_____ systems are used to provide a water supply for attack lines that will be operated inside a building.
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Standpipes
pg 241 pump ops |
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Two types of standpipe systems exist:
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1. A dry standpipe system depends on the fire department to provide all of the water.
2. A wet standpipe system has a built-in water supply, but the fire department connection is provided to deliver a higher flow or to boost the pressure. pg 241 pump ops |
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As a guildline, sprinkler systems should be fed a pressure of ____ psi unless more specific information is availble.
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150 psi
pg 241 pump ops |
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At the beginning of the changeover, keep your eyes on teh pressure gauge that the attack crew is using. The goal is to have a fluctuation that does not exceed ___ psi.
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10 psi fluctuation
pg 247 pump ops |
