Card Set Information
Hose and Hoselays
according to the NFPA standard 24, what is the minimum distance between the center of a fire hydrant hose outlet and the finished grade of the ground around the hydrant
if a portable tank is self expanding, Ff may need to hold on to the ________ while the tank is being filled
the quantity of water flowing through an opening during a hydrant test is called ______ pressure
when water is not moving, what kind of energy does it have?
the requred size of water main is based upon the amount of water needed for normal consumption and _______
fore protection needs
what is the term for the large discharge opening on a fire hydrant
what is another term for head pressure
when color coding fire hydrants, what color would the bonnet be on a flowing less than 500 GPM
when color coding fire hydrants, what color would the bonnet be on a flowing 1000-1499 GPM
the amount of pressure remainig in a water distribution system when water is flowing is called ________ pressure
what is the name of the smallest pipes in a water distribution system (i.e., the pipes that deliver the water to the homes and hydrants on individual streets)
what is a quick way to determine whether a dry-barrel hydrant is still draining, prior to replacing the discharge outlet cap?
place a hand against the opening and feel for suction
sometimes the bonnet of a hydrant is color-coded. what do these colors indicate
the available flow from the the hydrant
what is the top end of the capacity range, in gallons, of typical portable water tanks
what is the term for an arrangement of water mains that delivers water to hydrants from more than one direction at the same time
what type of fire hydrants are designed to be used when the temperatures can be expected to fall below freezing
what is the term for the amount of pressure in a water distribution system during a period of normal consumption
normal operating pressure
what size fire hose are the outlets on fire hydrants sized to fit
the pressure in a system when no water is flowing is called_________ pressure
what is the recommended minimum pressure, in psi, for water coming from a fire hydrant
Up to how many gallons per minute can a portable pump deliever?
When would a dry barrel hydrant be required?
When the climate is subject to freezing
In a well-designed water distributation system, what type of pattern do the water mains follow?
From which of the following sources can fire fighters obtain water?
Municipal water system
What is considered the realistic minimum useable residual pressure, in psi, when conducting firefighting operations from a water distributation system?
Realistically, how many gallons per minute can a taker shuttle deliever?
The flow or quanity of water moving is measured in ________.
gallons per minute
When color-coding fire hydrants, what color would the bonnet be on a hydrant flowing 500-999 gpm?
What feature in hydrant caps should be checked during routine inspections?
How close must a fire engine be able to get to a static water source in order to be able to ddraft directly from it?
What are the pipes that deliever water from the treatment facility to the fire hydrants called?
How much water, in gallons, do fire department tankers usually carry?
1000 to 3500
To what type of water source does a dry hydrant provide access?
Static water source
Hydrants should be checked periodically. What is the minimum acceptable interval between such checks?
What is installed on a tanker that allows it to offload 3000 gallons of water in 1 minute?
When color coding fire hydrants, what color would the bonnet be on a hydrant flowing 1500 gpm and higher?
What foam application method should be used on open top storage tank fires?
What type of hose ranges in size from 2 and a half to 3 inches in diameter?
What does a hose adaptor connect?
Two hose sections of equal diameter but differing threads
What can be used to protect a hose line being hoisted over a roof or windowsill?
What type of valves are opened or closed by rotating a handle a quarter turn?
What is the indicator notch on hose couplings that lines up with the threads are lined up toengaged properly?
The higbee notch
What is the last steop in rolling a straight hose roll?
tapping out protrusions with the foot
How does a doughnut hose roll differ from a straight hose roll?
both couplings are on the outside.
what is one common use for a hose clamp?
to allow a hydrant to be charged before the driver/operator is ready to receive the water
What is a typical number of feet of supply hose for a fire engine to carry?
what NFPA standard governs inspection, care, and use of fire hose, couplings, and nozzles and service testing of fire hose?
During hose testing, what is the maximum length of the connected hose?
when referring to hose, what does the L stnad for in LDH?
What is it called when supply hose beds on apparatus contain two different sections, usually loaded with dissimilar hose?
A split hose bed
If a defect is identified on a hose during an inspection, what is one of the steps to be taken?
mark the defect and recheck it during the next operation
What word describes teh volume of water that is beign moved through a pipe or hose?
What term is used to describe the amount of energy in a body or stream of water?
when hose testing, for what length of time is the hose required to maintain the set pressure?
What is the two-fire fighter stiff-arm method used for?
in jacketed fire hose, what function does the outer jacket serve?
it adds strength to withstand water pressure
What is the hose called that is usually carried on a hose reel, is made of rubber, and flows only 40 to 50 gallons per min?
how should a hose line be advanced up a ladder?
what should be used to clearn hoses?
what hose load has the hose up on its edge and laid side to side in teh hose bed?
what function does the inner jacket of a jacketed fire hose serve?
it is the waterproof layer
what is it called when an engine secures hose to a hydranton the way in and lays supply line until it reaches its attack position?
a forward (straight) lay
which type of nozzle is used to fight fires in inaccessible places such as attics and basements?
what locks the hose on the self-locking twin-doughnut hose roll?
loops of the hose itself
wha tdescritption best fits a hose jacket?
stiff canvas patch
what type of hose line has a predetermined length of hose, with a nozzle already attached, and is connected to a discharge outlet on an engine
what is the short fold in a supply load called that is made so that a coupling does not have to tuen around when the hose is being laid out
which type of foam is synthetic based and has an excellent vapor suppression capabilities
Aqueous film forming foam
during annual testing, at what pressure must an attack hose be tested
a soft suction hose connects a fire hydrant engine to a:
steamer outlet on a hydrant
the three mose common hose loads for preconnected attack lines are the flat load, triple layer load, and __________ load
whathose appliance combines two lose lines into one
friction loss is affected by three factors. what is one of those
in a __________lay, the hose is laid out from the fire to the hydrant, rather than from the hydrant to the fire
approximately how much does a 50' section of charged 2 1/2" hose weigh
when referring to a hosebed, what is the end called that is closer to the cab, or front of the fire engine
what is the term for a device that mixes the foam concentrate inthe fire stream in the proper percentage
what is the difference between a gated wye and a water theif
addition of a 2 1/2" outlet
what is one thing the FF securing the hose to the hydrant on forward (straight) lay must remember to avoid
standing between the hose and the hydrant
what type of hose ranges in size from 1 to 2 inches in diameter?
what type of adaptor is used to connect two femail coupllings to each other
class B foam is used for what type of fires
what device splits one hose stream into two hose streams
wher performing a flat hose load for a a forward lay, which end of the hose is first to be loaded
what is the function of a hard sucttion hose
drafting water from a static source
what are the wrenched that are used to tighten and loosen hose couplings called
what type of hose couplings are the same and do not have male or female ends
what foam application method should be used on pooled liquid fires on the grounf
which group of nozzles flow the most gallons per minute
master stream hoses
which of the following is required to be annotated on a hose record
date hose was tested
what is a benefit of Class A foam
reduce surface tension of water
what term is used to describe the properties of energy, pressure, and water flow as related to fire suppression
what is the second stage of advancing an attack line
advancing the line into position where fire attack occurs
what type of hose ranges in isze from 3 1/2" to larger
what is the hose diameter used by most FD for heavy interior attack
what hose load has the hose up on its edge and placed around the perimeter if the hose bed in a U shape
a horseshoe load
which type of foam is formulated so polar solvents do not dissolve the foam
what is used to connect individual sections of hose together to extend their length
whatr type of nozzle is moxt commonly used to apply aqueous film-forming foam and Class A foam?
what type of hose roll is used to store hose on a storage rack
generally speaking, how many galloms oer minute does a 2 1/2" fire hose line flow
what is the funtion of a standpipe system
water supply for attack lines connected insede the building
what advantage does a fog-stream nozzle have over a smooth-bore nozzle
absorbs greater amount of heat
what feature of hose coulings is used to aid in the coupling and uncoupling of hose
seperates fuel from the fire
how does foam extinguish flammable liquid fires
seperates fuel from fire
which fog stream nozzle has a flow of between 90 and 225 GPM
what advantage does a smooth-bore nozzle have over a fog stream nozzle
what should FF do to avoid water hammer
open and close hydrants and nozzles slowly
which type of foam contains a surfactant additive that allows the foam to prodice a fast spreading film
when should the FF attaching hose to the hydrant charge the supply line
not until the driver/operators signal is received
what does a gated wye enable that a non-gated wye does not?
regulating the flow to either side of the wye independtaly of the other side
what type of appliance is used to attach a sammler hose to a larger one
which couplings goes on the inside of a straight hose roll
during annual trsting, at what pressure must a supple hose be tested
what tool is sometimes used to tighten hard suction hose connections
what type of foam is made from animal byproducts
on what floor should attack lines be connected when connecting to a standpipe system
floor below fire floor
at what nozzle pressure is a smooth-bore nozzle designed to operate
on a reducer, which end is usually male