Term
| The main purpose of the fire department pumper is to |
|
Definition
| provide water at an adequate pressure for fire streams |
|
|
Term
| The water supplied by the pumper may come from |
|
Definition
| the apperatus water tank, a fire hydrant, or static supply such as a lake, pond or a portable tank. |
|
|
Term
| NFPA 1901 standard states |
|
Definition
that the minimum pump capacity for pumpers is 750gpm(3000 L/min)
and
for pumps larger than 750gpm standard pump capacities are found in incremints of 250gpm (1000l/min) |
|
|
Term
| Most large scale industirial foam pumpers use |
|
Definition
| some form of balanced pressure proportioning system |
|
|
Term
| Large scale pumpers are equiped with fire pumps that range in capacity from |
|
Definition
|
|
Term
| Most large foam pumpers have a foam tank with a capacity of |
|
Definition
|
|
Term
| The most common size foam tanks for municipal fire apperatus range from |
|
Definition
|
|
Term
| Elevating water devices typically range in height from |
|
Definition
|
|
Term
| Fire departments typicaly use two categorical descriptions for intial attack fire apperatus: |
|
Definition
| minipumpers and midipumpers |
|
|
Term
|
Definition
| Smaller, quick attack pumpers, are designed to handle small fires that do not require the capacity of personnel needed for a large pumper |
|
|
Term
| Most minipumpers have pumps with a capacity of no larger than |
|
Definition
| 500gpm with some ranging up to 1000gpm |
|
|
Term
|
Definition
| Are suited for small fires as grass and dumpster fires, and for service calls that do not require the capacity and personnel of a larger pumper |
|
|
Term
| Midipumpers ussually have pumps with a capacity as larege as |
|
Definition
|
|
Term
| The main difference between minipumper and midipumpers are |
|
Definition
| size, pump capicty, and the amount of equipment carried |
|
|
Term
| The majority of wildland fire apparatus, also known as breakers or booster apparatus have pump capacities and water tank sizes of than |
|
Definition
|
|
Term
| When operating near railroads, where should you park the apparatus , in regards to the railroad tracks? |
|
Definition
| On the same side of the tracks as the incident (pg 101) |
|
|
Term
T/F
Vehicles with the ability to pump and roll use a separate motor or a power take-off to power the fire pump |
|
Definition
|
|
Term
| When using the booster apparatus there are two proper methods for making a moving fire attack, what are they |
|
Definition
1. Have fire fighters using short sections of attack hose walk alongside the apparatus and extinguish fire as they go.
2. Use nozzles that are remotley controlled from inside the cab (Pg 12) |
|
|
Term
| When operating near railroads, where should you park the apparatus , in regards to the railroad tracks? |
|
Definition
| On the same side of the tracks as the incident (pg 101) |
|
|
Term
| Some jurisdictions design their apparatus so that firefighters may ride outside of the vehicle and discharge water as the vehicle is driven. Is this okay? |
|
Definition
| No, this practice is strictley prohibited (Pg 13) |
|
|
Term
| What kind of nozzles are effective in protecting the front of the apparatus and extinguishing small fires in short vegetation as the apparatus is advanced? |
|
Definition
| Ground sweep nozzles (pg 13) |
|
|
Term
| What are ARFF apparatus used for? |
|
Definition
To provide immeadiate suppression of flammable liquid fires and suppression of spill vapors on airport properties
(pg 14) |
|
|
Term
| If it becomes absolutley necessary to stretch attack or supply lines across a raildroad track what should you do? |
|
Definition
| Attempt to confirm from the railroad company that traffic has been halted on that set of tracks. If this is not possible, attempt to run the hose beneath the rails or use aerial apparatus to run hose ofer the top of the area (pg 101) |
|
|
Term
| When can ARFF vehicles respond off airport property to assist municipal firefighters? |
|
Definition
| At large scale flammable liquid incididents (pg 14) |
|
|
Term
| Apparatus equipped with an aerial device, ground ladders, fire pump, water tank, and fire hose are commonly referred to as what? |
|
Definition
|
|
Term
| The ____ is a step-up transformer that converts the vehicle's 12 or 24 volt DC current into a 110 or 220 volt AC current |
|
Definition
|
|
Term
| What are the advantages of inverters? |
|
Definition
| Fuel efficiency and low or nonexistent noise during operation (pg 17) |
|
|
Term
| What are disadvantages of inverters? |
|
Definition
| Small capacities and limited mobility from the vehicle (pg 17) |
|
|
Term
| Inverters are generally capable of providing approximately how many watts of electrical power? |
|
Definition
|
|
Term
| At what tempature dose water convert to water vapor or steam? |
|
Definition
|
|
Term
| Portable generators are designed with a variety of power capablitities with how many watts of power being the largest? |
|
Definition
|
|
Term
| Vehicle mounted generators can have capacities of up to how much? |
|
Definition
|
|
Term
| Portable lights generally range from___ to ____ |
|
Definition
| 300 to 1,000 watts (pg 18) |
|
|
Term
| Electrical cables or extension cords are necessary to conduct electrical power to portable equipment. The most common size cable is a____ |
|
Definition
| 12-gauge 3 wire type (pg 18) |
|
|
Term
| What are the four basic types of powered hydraulic tools used by the rescue service? |
|
Definition
| Spreaders, shears, combination spreader/shears, and extension rams (pg 19) |
|
|
Term
| Most hydraulic tool pumps are not capable of supplying full power to the tool when the hose length between the pump and tool exceeds how much? |
|
Definition
|
|
Term
| ___means keeping the apparatus in a state of usefullness or readiness? |
|
Definition
|
|
Term
| ____ means to restore or replace that which has n=become inoperable. |
|
Definition
|
|
Term
| Who can carry out repair functions? |
|
Definition
| Qualified mechanics (pg 22) |
|
|
Term
| During the first______ months after an apparatus is received, while the paint and protective coating are new and unseasonded, the vehicle should be washed frequently with___water to harden the paint and keep it from spotting. |
|
Definition
|
|
Term
The water pressure should be set so that the stram from the end of the hose is no more than how many feet in length? |
|
Definition
|
|
Term
| Waxes or polishes should not be applied to apparatus until the paint is how old? |
|
Definition
|
|
Term
| One particular method of performing an aparatus/pretrip inspection is referred to as the ______ |
|
Definition
| circle or walk-around method (pg 25) |
|
|
Term
| What happens during the walk-around or circle method? |
|
Definition
| The driver starts at the driver's door on the cab and works around the apparatus in a clockwise patteren. The final step involves the driver getting in the cab, starting the apparatus and performing a functional check on apparatus systems. (pg 25) |
|
|
Term
| Why is deisel exhaust dangerous to personnel? |
|
Definition
| It is known to emit benzene derivatives that have shown to be carcinogenic in laboratory test (pg 27) |
|
|
Term
| Hearing protection should be worn if any personnel will be exposed to noise level in excess of many decibles? |
|
Definition
|
|
Term
| What device on the apparatus turns various lights on at specified intervals so that the start-up electrical load for all of the decives do not occur at the same time? |
|
Definition
| The load sequencer (pg 33) |
|
|
Term
| What device "watches" the system for added electrical loads that threaten to overload the system? |
|
Definition
|
|
Term
| When an overload condition occurs, the load monitor will shut down less important electrical equipment to prevent the overload. This is referred to as what? |
|
Definition
|
|
Term
| ____is the distance that the pedal must be pushed before the throw-out bearing actually contacts the clucth realease fingers. |
|
Definition
|
|
Term
| Steering wheel play should be no more than about how many degrees in either direction? |
|
Definition
|
|
Term
| On a steering wheel that has a 20-inch diameter, this will mean a play of about how many inches |
|
Definition
|
|
Term
| An NFPA 1901 test requires that new apparatus be brought to a complete stop froma soeed of 20mph in a distance not to exceed how many feet? |
|
Definition
|
|
Term
| The standard also requires the parking brake to hold the apparatus in place on a grade of how much? |
|
Definition
|
|
Term
| On apparatus equipped with air brakes, the standard requires the air pressure to build to a sufficient level to allow vehicle operations within how many seconds of starting? |
|
Definition
|
|
Term
| Apparatus with air brakes are to be equipped with an air pressure protection valve that prevents the air horns from being operated when the pressure in the air reservoir drops below what? |
|
Definition
|
|
Term
| To test the road brakes, allow the apparatus to move forward at about 5mph, then push down on the brake firmly. The apparatus should come to a complete stop within about how many feet? |
|
Definition
|
|
Term
| What do the SAE numbers indicate for the engine oil? |
|
Definition
| Only the viscosity (pg 38) |
|
|
Term
| Emergency vehicles are generally not exempt from laws that require vehicles to stop for school buses that are flashing signal light to indicate that children are boarding or disembarking. When is it safe for fire aparatus to proceed? |
|
Definition
| After a proper signal is given by the bus driver or police officer. (pg 49) |
|
|
Term
| Before responding to calls, how ling should the driver let the apparatus idle before putting it into road gear? |
|
Definition
| As long as possible; for nonemergency calls this could be 3 to 5 minutes (pg 50) |
|
|
Term
| The starter control should be operated in intervals of no more than___seconds, with a rest of ____seconds between each try if the vehicle does not start sooner. |
|
Definition
| 30 seconds; 60 seconds (pg 52) |
|
|
Term
| If the oil pressure gauge does not indicate any reasonable amount of oil pressure within___to ___seconds of starting the apparatus; stop the engine immediately and have the lubracating system checked by a trained mechanic. |
|
Definition
|
|
Term
| What occurs when the throttle aplication is greater than necessary for a given set of conditions? |
|
Definition
|
|
Term
| Long idling periods can result in the use of how many gallons of fuel per hour? |
|
Definition
|
|
Term
| A hot engine should be idled until it has cooled. Generally, an idle period of how long is recommended? |
|
Definition
|
|
Term
| It is most desirable for riders of emergency vehicles to don their protective gear before getting in the apparartus. What is the one exception to this rule? |
|
Definition
| The diver/operator himself. (pg57) |
|
|
Term
| NFPA 1500 states that all riders must be seated and belted. What are the 3 exceptions to this rule? |
|
Definition
1. When providing patient care in the back of an ambulance.
2. When loading hose back onto a fire apparatus.
3. When perofrming training for personnel learning to drive the tiller portion of a tractor-drawn aerial apparatus |
|
|
Term
| Most laws ordinances provide that other vehicles must do what until the emergency vehicle has passed? |
|
Definition
Pull toward the right remain at a standstill until the emergency vehicle has a passed (pg 59) |
|
|
Term
| The____is the sum of the driver/operator reaction distance and the vehicle braking distance. |
|
Definition
| Total stopping distance (pg 60) |
|
|
Term
| The____is the distance the vehicle travels from the time the brakes are applied until the apparatus comes to a complete stop. |
|
Definition
|
|
Term
| Tire chains tend to lose their effectivness in snow that is deeper than how many inches? |
|
Definition
|
|
Term
| How many times more distance does it take a vehicle to come to a complete stop on snow and ice than it does on dry concrete? |
|
Definition
| 3 to 15 times more. (pg 67) |
|
|
Term
| An emergency vehicle moving at 40 mph can project how many feet in front of the vehicle? |
|
Definition
|
|
Term
| At a speed of 60 mph the siren is only audible how many feet in front of the vehicle? |
|
Definition
|
|
Term
| How far should emergency units travel apart from each other? |
|
Definition
|
|
Term
| Should headlights be turned on while in response? |
|
Definition
| Yes, white lights can be readily be distinguisehd during daylight hours (pg 68) |
|
|
Term
| What is the primary way water extingusihes fire? |
|
Definition
| By cooling, or absorbing heat from the fire. Another way is by smoothering (pg 104) |
|
|
Term
| Should one drive with high beam headlights on constantly? |
|
Definition
| No, because they tend to drown out the other warning lights. (pg 68) |
|
|
Term
| Always position uphill from a vehicle fire in case bruing fuel begins leaking from the vehicle. What is the exception to this rule? |
|
Definition
| When positioning at a wildland fire, because wildland fires move uphill faster than on even terrain (pg 79) |
|
|
Term
| What should the collaspse zone be equal to? |
|
Definition
| The collapse zone should be equal to the height of the building (pg 80) |
|
|
Term
| What does the presence of ornamental stars or large bolts with washers at various intervals on exterior walls indicate? |
|
Definition
| That reinforcement ties are present to hold otherwise unstable walls in place. (pg 80) |
|
|
Term
| In regards to a possible collapse, where is the safest place for an apparatus to park? |
|
Definition
| At the corners of the building (pg 80) |
|
|
Term
| If the building is less than 5 stories tall, where should apparatus park? |
|
Definition
| Engine compainies should park on the side of the street closest to the building and aerials should park on the outside. (pg 81) |
|
|
Term
| If the building is higher than 5 stories how should apparatus park? |
|
Definition
| The engines should take the outside position and the aerials should park next to the building. (pg 81) |
|
|
Term
| When should hard suction hose be connected to a fire hydrant? |
|
Definition
|
|
Term
| What is the perferred type of hose for connection to a fire hydrant? |
|
Definition
| Large diameter intake hose, sometimes referred to as a soft sleve or soft suction hose (pg 85) |
|
|
Term
| What is a good way to minimize kinks in soft sleeve hose? |
|
Definition
| Put two full twists in the hose when making the connection between the hydrant and the pumper (pg 86) |
|
|
Term
| What happens in dual pumping? |
|
Definition
| One strong hydrant may be used to supply two pumpers. Also the pumpers are connected intake to intake. (pg 89) |
|
|
Term
| What happens in tandem pumping? |
|
Definition
| This is used when pressures higher than a single engine is capable of supplying are required. In tandem pumping, the pumper directly attached to the water supply source pumps water through its discharge outlet into the intake of the second engine. (pg 89) |
|
|
Term
| The highest priority for most wildland firefighting operation is the protection of structures that are exposed to the fire. This boundary between the wildland and structural development is often referred to as what? |
|
Definition
| Wildland/urban interface (pg 90) |
|
|
Term
| What are the two types of equipment used to refill SCBA cylinders on the scene? |
|
Definition
| Cascade systems and breathing air compressors (pg 95) |
|
|
Term
| What is the difference between cascade systems and breathing air compressors? |
|
Definition
| Cascade systems are large breathing air cylinders that are connected together in banks and allow air to be transferred from the large cylinders into the smaller. Breathing air compressors are engine-driven appliances that take in atmospheric air, purify it, and compress it (pg 95) |
|
|
Term
|
Definition
| Level 1 staging is used on every emergency reponse when two companies performing like functions are dispatched. The first due company proceed directly to the scene. Later arriving units park or stage at least one block away (pg 97) |
|
|
Term
|
Definition
| This is used when numerous emergency vehicles will be responding to an incident. An apparatus staging area is designated and later arriving companies are informed of the staging area and report diretly to that location (pg 97) |
|
|
Term
| When providing barriers on highways, what lanes of traffic should be blocked? |
|
Definition
| At least one lane next to the incident lane should be closed (pg 99) |
|
|
Term
| How far should you park additional units from apparatus creating the barrier? |
|
Definition
|
|
Term
| The___zone is an area surronding the incitdent that has been contaminated a released material. |
|
Definition
|
|
Term
| The____zone is an area abutting the hot zone and extending to the cold zone. This zone is also used to decontaminatie personnel and equipment exiting the hot zone |
|
Definition
|
|
Term
| When operating near railrods, where should you park the apparatus , in regards to the tracks? |
|
Definition
| On the same side as the incident. (pg 101) |
|
|
Term
| The____zone encompasses the warm zone and is used to carry out all other support functions of the incident. |
|
Definition
|
|
Term
| Water is affected by two natural laws of physics, what are they? |
|
Definition
| "The law of specific heat" and "The law of latent heat of vaporazation" (pg 104) |
|
|
Term
| _____is the measure of the heat-absorbing capacity of a substance. |
|
Definition
|
|
Term
| A______is the amount of heat required to raise tempature of 1 pound of water 1 degree. |
|
Definition
BTU (british thermal unit)
(pg 104) |
|
|
Term
| The quantity of heat absorbed by a substance when it changes from a liquid to a vapor is called what? |
|
Definition
| The latent heat of vaporazation. (pg 105) |
|
|
Term
| Each pound of water requires approximatley how many btu's of additional heat to completely convert into steam? |
|
Definition
|
|
Term
| _____is the tendacy of a liquid to passess internal resistance to flow. |
|
Definition
|
|
Term
| The density of liquids in realation to water is known as what? |
|
Definition
| Specific gravity. (pg 108) |
|
|
Term
| ______is the simple measure of weight and is ussually expressed in pounds or killgrams. |
|
Definition
|
|
Term
| The speed at which water travels is often referred to as_____ |
|
Definition
|
|
Term
| _____is defined as force per unit area |
|
Definition
|
|
Term
| Any pressure less than atmospheric pressure is called____ |
|
Definition
|
|
Term
| Absoulute zero pressure is called a____ |
|
Definition
|
|
Term
| ______in the fire service is refers to the height of a water supply above the discharge orifice. |
|
Definition
|
|
Term
| The water flow definition of ____is stored potential energy available to force water through pipe, fittings, fire housem and adapters. |
|
Definition
|
|
Term
| ___means at rest or without motion. |
|
Definition
|
|
Term
| _____is that pressure found in water distribution systems during normal consumption demands. |
|
Definition
| normal operating pressure (pg 113) |
|
|
Term
| That part of the total available pressure not used to overcome friction loss oe gravity while forcing water thhrough pipe, fittings, fire hose, and adapters is caled what? |
|
Definition
| Residual Pressure (pg 113) |
|
|
Term
| ____means a remainder or that which is left. |
|
Definition
|
|
Term
| _____is that forward velocity pressue at a discharge opening while water is flowing. |
|
Definition
|
|
Term
| _____refers to the center line of the pump or the bottom of a statuc water supply source above or below dround level. |
|
Definition
|
|
Term
| ________position of an object above or below sea level. |
|
Definition
|
|
Term
| Both pressure loss and pressure gain are referred to as what? |
|
Definition
| Elevation pressure (pg 113) |
|
|
Term
| Above sea level, atmospheric pressure decreases how much for every 1000 feet? |
|
Definition
|
|
Term
| That part of the total pressure lost while forfcing water through pipe, fittings, fire hose, and adapters is known as what? |
|
Definition
|
|
Term
| There are pratical limits to the velocity or speed at which a stream an travel. If the velocity is increased beyond these limit, the friction becomes so great that the entire stream is agitated by resistance. This agititation causes a degree of turbulence called what? |
|
Definition
| Critical velocity (pg 116) |
|
|
Term
| Suddenly stopping water moving through a hose or pipe results in an energy surge being transmitted in the opposite direction. This surge is referred to as what? |
|
Definition
|
|
Term
| What are the three methods of moving water through a system? |
|
Definition
| Direct pumpimg system, gravity system, and combination system. (pg 118) |
|
|
Term
| A fire hydrant that only receives water from one direction is known as what? |
|
Definition
| A dead-end hydrant (pg 120) |
|
|
Term
| When a fire hydrant recieves water from two or more directions, it is said to have____or a_____ |
|
Definition
| Circulating feed or a looped line. (pg 120) |
|
|
Term
| A dsitribution system that provides circulatig feed from several mains consititutes a _____ |
|
Definition
|
|
Term
| A grid system should consist of what components? |
|
Definition
Primary feeders, secondary feeders, and distributors
(pg 120) |
|
|
Term
| In residential areas what is the recommended size for fire hydrant supply mains? |
|
Definition
| At least 6 inches (pg 120) |
|
|
Term
| In the business adn industrial districts what is the minimum recommended supply main size? |
|
Definition
| 8 inches with cross-connecting mains every 600 feet. (pg 120) |
|
|
Term
| What is the function of a valve in a water distrubution system? |
|
Definition
| To porvide a means for controlling the flow of water through the distribution piping (pg 121) |
|
|
Term
| How often should valves be opperated to keep them in good condition? |
|
Definition
| At least once a year (pg 121) |
|
|
Term
| The___is the average of the total amount of water used ina water disribution system over the period of one year |
|
Definition
| Average daily consumption. (pg 123) |
|
|
Term
| The_______is the maximum total amoutn of water that was ysed during any 24 hour period within a 3 year period. |
|
Definition
| Maximum daily consumption (pg 123) |
|
|
Term
| The______is the maximum of water used in any 1 hour interval over the course of a day. |
|
Definition
| Peak hourly consumption. (pg 123) |
|
|
Term
| _______can be defined as a stream of water or other extinguishing agent after it leaves a fire hose and nozzle until it reaches the desired point |
|
Definition
|
|
Term
| A______is a fire stream produced from a fixed orifice, smooth bore nozzle? |
|
Definition
|
|
Term
| What is the maximum amoutn of water that can safely flow throgh a handline nozzle? |
|
Definition
|
|
Term
| Any fire stream that is too large to be controlled without mechanical aide is called what? |
|
Definition
|
|
Term
| What are the four basic catergories of master stream devices? |
|
Definition
| Monitor, turret pipe, deluge set, and elevated master stream. (pg 132) |
|
|
Term
| What is the difference between a monitor and a deluge set? |
|
Definition
| With a monitor the stream direction and angle can be changed while water is being discharged. (pg 132) |
|
|
Term
| What are the 3 basic types of monitiors? |
|
Definition
| Fixed combination and portable. (pg 132) |
|
|
Term
| A_______is mounted on a fire apparatus deck and is connected directly to the pump by a permanent pipe. |
|
Definition
|
|
Term
| The turret pipe is also sometimes called a___or_____ |
|
Definition
| Deck gun or deck pipe (pg 132) |
|
|
Term
| Cellar nozzles, also called________, are often used on basements fires. These nozzles can be lowered through holes cut in the floor or through some other suitabe opening. |
|
Definition
|
|
Term
| Can piercing nozzles be used to deliver AFFF to a confined area? |
|
Definition
|
|
Term
| As water is dischraged from a nozzle at a given pressure a force pushes back on the firefighters handling the hose line. This counterforce is known as? |
|
Definition
| nozzle reaction. (pg 136) |
|
|
Term
| What is the prime objective of the driver/operator? |
|
Definition
| To provide fire fire suppresion crews with the water flow and pressure needed to achieve efficient fire control and /or extinguishment. (pg 140) |
|
|
Term
| Elevation differences such as hills, gullies, aerial devices, or multistoried buildings, create a pressure loss or gain known as what? |
|
Definition
| Elevation pressure (pg 141) |
|
|
Term
| Combined friction loss and elevation pressure loss is referred to as what? |
|
Definition
| total pressure loss (pg 141) |
|
|
Term
| What is the only truly accurate method for determing pressure loss in any particular hose lay? |
|
Definition
| By messuring the pressure at both ends of the hose and subtracting the difference (pg 142) |
|
|
Term
| When properly calibrated and in good working condition, flowmeters should e accurate to a toloreance of 3 percent. This means that the readout should not be more thatn___gallons high or low for every 100 gpm flowing. |
|
Definition
|
|
Term
| Each discharge equiped with a flowmeter has a digital readout display mounted how far from the valve control for that discharge? |
|
Definition
|
|
Term
| How do possitive displacement pumps differ from centrifugal pumps? |
|
Definition
| Possitvie displacements pumps can pump air. (pg 205) |
|
|
Term
| What are the 2 basci types of possitive displacement pumps? |
|
Definition
| piston and rotary (pg 205) |
|
|
Term
| With piston pumps the forward stroke causes water to be discharged and the return stroke causes the pump to fill with water again. This is known as a_______ |
|
Definition
| Sing-acting piston pump. (pg 206) |
|
|
Term
| The____consist of two gears that rotate ina tightly meshed pattern inside a watertight case. |
|
Definition
| Rotary gear pump. (pg 206) |
|
|
Term
| The____is constructed with movable elements that atmatically compensate for wear and maintain a tighter fit with closer clearances as the pump is used. |
|
Definition
| Rotary Vane pump (pg 207) |
|
|
Term
| In theory the operation of a ________is based on the principle that a rapidly revolving disks tends to throw water into its center toward the outer edge of the disk. |
|
Definition
| Centrifigul pump (pg 208) |
|
|
Term
| Fundamentally, the centrifigul pump consists of two parts what are they? |
|
Definition
| An impeller and a casing (pg 208) |
|
|
Term
| In a centrifigul pump the ____transmits energy in the form of velocity to the water. |
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Definition
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Term
| In a centrifigu pump, the _____collects the water and confines it in order to convert the velocity into pressure. |
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Definition
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Term
| What are the 3 main factors that influence a centrifigul pumps discharge pressure? |
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Definition
| AMount of water being discharged, speed at which the impeller is turning, and pressure of water when it enters the pump from a pressureized source. (pg 209) |
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Term
| The proccess of switching from between pressure and volums is sometimes reffered to as what? |
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Definition
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Term
| Advances in design and efficiency now allow most pump manufactures to specify that the pump mau remain in the pressure system until it is necessary to flow more than____of the rated volume capacity. |
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Definition
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Term
| What is the first indication the wear on the pump is becoming a problem? |
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Definition
| When increased engine rpm is required to pump the rated capacity in pump tests. (pg 215) |
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Term
| _____pumps are those pumps that are powered by a gasoline or disel engine indipendent of an engine used to drive the vehicle. |
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Definition
| Auxillary engine-driven pumps. (pg 216) |
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Term
| In a vehicle designed for pump and roll operation, a pressure gauge should be mounted inside the cab in full view of the driver. Should the vehicle be driven by the presseure guage or the speedodmiter while hoselines are in operation? |
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Definition
| By the pressure guage because the pressure changes when the driver changes the vehicle speed. (pg 218) |
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Term
| What is the disadvantage of the front mount pump? |
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Definition
| The pump and gauge are more susceptabile to freeing in could climates. (pg 218) |
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Term
| What are most piping systems made of? |
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Definition
Cast iron, brass, stainless steel, or galvanized steel.
(pg 221) |
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Term
| The piping system must be able to withstand a hydrostatic test of how much psi before being placed in service? |
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Definition
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Term
| This involves removing all of or most of the air from the pump thus lowering the atmospheric pressure within the pump casing. |
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Definition
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Term
| What are the 2 ways water may enter in the fire pump? |
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Definition
| Through piping that connects the pump and the onboard water tank and piping that is used to connect the pump to an external water supply (pg 221) |
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Term
| Intake piping is round in shape at the point where the intake hose connects to it. As the piping nears pump itselfit typicaly tapers into what kind of shape and why? |
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Definition
| A square shape because it eliminates the vortex that may occur in water that flows through circular piping. This vortex could result in air entering the pump. (pg 222) |
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Term
| The most common type of valve is the______valve that permits full flow through the lines with a minimum of friction loss. |
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Definition
| Ball type vlave. (pg 225) |
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Term
| When the pressure control system is in control of the pressure in the pump, what color illuminates on the on the pump panel? |
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Definition
| a yellow indicator light. (pg 228) |
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Term
| What is the main feature of pressure governor? |
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Definition
| It regulates the power output of the engine to match pump discharge requiements. (pg 230) |
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Term
| What can occur when the pump is run for prolonges periods during which no water is being discharged? |
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Definition
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Term
The______provides a realitive indication of battery condition and alternator output by measuring the drop in voltage as some of the more demanding electrical accessories, such as the primer are used.
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Definition
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Term
| The primary function of______is to control the temperature of coolant in the apparatus engine during pumping operations. |
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Definition
| auxiliary coolers (pg 239) |
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Term
| In situtations where a dramatic failure of a radiator hose or other cooling system element occurs while the pump is supplying hoselines for crews in dangerous positions, what should be done? |
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Definition
| A water stream may be directed by the engine to maintain some form of cooling until crews may be withdrawn to safety. (pg 240) |
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Term
| Test have indicated that the apparatus may overide the parking brake system at engine speeds as low as_______ |
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Definition
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Term
| When operating from the water tank, if it appears that the pump will be required to furnish mor than____percent of its rated capacity, it should be set to the parallel(volume)position from the start. |
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Definition
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Term
| What are the 2 basic pressurized water supply sources that may be used to supply a fire pump? |
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Definition
| A hydrant or a supply hose from another fire pump. (pg 250) |
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Term
| Stopping at the hydrant, dropping the end of one or more supply lines at the hydrant, and proceeding to the fire location is known as a________ |
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Definition
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Term
| When using 2 1/2 or 3 inch hoselines to supply the pumper directly off of hydrant pressure, it is recommended that the lines be no longer than how many feet? |
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Definition
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Term
| With this lay hose is laid from the fire to the water source. |
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Definition
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Term
| When a pumper is connected to a hydrant and is not discharing water, the pressure shown on the intake gauge is the ______pressure |
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Definition
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Term
| When a pumper is connected to a hydrant and the pumper is discharging water, guage is reading the____pressure |
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Definition
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Term
| What is the atmospheric pressure at sea level? |
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Definition
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Term
| Atmospheric pressure decreases ____psi for each 1,000 feet of elevation gain. |
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Definition
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Term
| _____can be described as that condition where, in theory, water is being discharged from the pump faster than it is coming in. |
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Definition
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Term
| What are some indidcations of cavitation? |
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Definition
| The hose streams will fluctuate, as will the pressure gauge on the pump. A distinctive sound described as a popping or sputtering may be heard as the water leaves the nozzle. The lack of reaction on the pressure gauge to changes in the setting of the throttle (pg 261) |
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Term
| In drafting operations there should be a minimum of ______inches of water over the strainer. |
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Definition
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Term
| When chosing the type of water to draft water that is below__degrees or above____dregrees may adversely impact the pumps ability to reach capacity. |
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Definition
| Below 35 degrees or above 90 degrees (pg 264) |
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Term
| When drafting all fire pumps are rated to pump their capacity at___feet of lift. |
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Definition
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Term
| For effective operation the maximum lift considered to be reasonable for most fire department pumpers is about____feet |
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Definition
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Term
| The entire priming action typicaly requires__to___seconds from start to finish, but it should not take more than____seconds. |
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Definition
| 10 to 15, and no more than 30 (pg 267) |
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Term
| What is the most common cause of inability to prime? |
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Definition
| An air leak that prevents the primer from developing enough vacumm to successfully draft water. (pg 267) |
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Term
| While the pump is operating a gradual increase in the vacumm reading may be noted with no change in the flow rate. What is this an indication of? |
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Definition
| That a blockage is developing. (pg 268) |
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Term
| Where is the most common place for a blockage to develop? |
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Definition
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Term
| A_____operation uses a pumper at the water supply source to pump water under pressure through one or more hoselines to the next pumper in line. |
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Definition
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Term
| What relay method involves flowing a predetermined volume of water for the maximum distance that it can be pumped through a particular hose lay? |
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Definition
| Maximum distance realy method. (pg 317) |
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Term
| What relay method establishes the maximum flow available from a particular relay setup by using a constant pressure in the system? |
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Definition
| The constant pressure relay method. (pg 319) |
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Term
| What are the two baic types of foam? |
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Definition
| Chemical and mechanical (pg 356) |
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Term
| The raw foam liquid as it rest in its storage container before the introduction of water and air is called what? |
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Definition
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Term
| The device that introduces foam concitrate into the water stream to make the solution is called what? |
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Definition
| Foam proportioner (pg 356) |
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Term
| The completed product after air is introduced into the foam solution is called what? |
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Definition
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Term
| Crude oil, fuel oil, gasoline, benzine, naphtha, jet fuel, and kerosene, are petroleum based and float on water, and are all examples of what? |
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Definition
| Hydrocarbon fuels (pg 356) |
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Term
| Alcohol, acetone, laquer thinner, ketones, and esters, are flammable liquids that are miscible in water and are all examples of what? |
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Definition
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Term
| Foam extinguishes/ or prevents fire by what methods? |
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Definition
| Separating, cooling, suppressing (pg 357) |
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Term
| What are the four basic methods by which foam may be proportioned? |
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Definition
| Induction, injection, batch mixing, and premixing (pg 357) |
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Term
| The____porportioning foam uses the pressure energy in the strem of water to draft foam concintrate into the fire stream. |
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Definition
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Term
| Which method of porportioning foam uses an external pump or head pressure to force foam concentrate into the fire stream at the correct ratio in comparison to the flow? |
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Definition
| Injection method (pg 358) |
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Term
| _____occurs when an appropiate amount of foam concentrate is poured directly into a tank of water. |
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Definition
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Term
| With this method of proportioning premeasured portions of water and foam concentrate are mixed in a container. |
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Definition
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Term
| Class A foam is used on class A fuels which are? |
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Definition
| ordinary combustiables (pg 360) |
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Term
| Class B foam is to be used on Class B fuels which are? |
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Definition
| Flammable and combustible liquids (pg 360) |
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Term
| _____refers to the increases in volume of a foam solution when it is aerated. |
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Definition
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Term
T/F
AFFF is completely synthetic? |
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Definition
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Term
| As water a high pressure passes over a reduced opening, it creates a low pressure area near the outlet side of the educator. This low pressure area creates a suction effect, called the_____ |
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Definition
| Venturi principle (pg 366) |
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Term
| What is the disadvantage of the batch mixing method for proportioning? |
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Definition
| All the water onboard the apparatus is converted to foam solution (pg 373) |
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|
Term
| How does IFSTA define a handline nozzle? |
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Definition
| Any nozzle that one to three firefighters can safely handle and that flows less than 350gpm's (pg 374) |
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Term
| In relation to foam application techniques, which method directs the foam on the ground near the front edge of a burning liquid pool? |
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Definition
| The roll on method (pg 378) |
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Term
| In foam application techniuqes which method directs the foam an object, allowing foam to run down onto the surface of the fuel? |
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Definition
| Bank down method (pg 378) |
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Term
| In foam app tech, Which method directs foam stream into the air above the fire or the spill and allows the foam to gently float down onto the surface of the fuel? |
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Definition
| Rain down method (pg 378) |
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Term
| How often will service be conducted while the apparatus is still in service? |
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Definition
| On a yearly basis, or whenever it has undergone extinsive pump or power train repair. (pg 378) |
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Term
While the pump testing is procedding regularly check the couplings to make sure that the hose is not starting to pull loose of the coupling. If your scribe mark moves
_____ more than how far away from the coupling, must you stop the test and replace the hose? |
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Definition
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Term
| After testing the fire pump and tests reveal a loss of than____percent of its capabilities, the pump should either be taken out of service or given a lower rating based on the test results. |
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Definition
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Term
| The ability of a substance to conduct an electrical current is known as what? |
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Definition
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