Exam (elaborations)
ARFF practice test QUESTIONS and answers
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ARFF practice test QUESTIONS and answers
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ARFF practice test( foam ) to guarantee accurate testing results, you must ensure that : - questions and
answers-wind conditions are under 5 MPH
3 methods that can be used to resupply water - questions and answers-
3 true statements about foam concentrate storage - questions and answers-1. storage
containers are line with plastic to resist the corrosiveness of foam concentrate
2. foam tenders transport foam concentrate to the ARFF apparatus
3. different foam concentrates have different shelve lives
a fire apparatus test record that evaluates the overall performance of an ARFF apparatus is
used on a _______ basis - questions and answers-Yearly
a runway distance remaining sign displaying the number 6 indicates to the pilot that there are
________ feet of runway remaining - questions and answers-6000
a steep grade is defined as being - questions and answers-30 degrees up or down
a substance that ignites spontaneously on contact with others is : - questions and answers-A
hypergolic
all of the fallowing are equations used in the foam solution-concentration test except : -
questions and answers-R(v)
all of the fallowing are low-energy foam proportioning systems EXCEPT : - questions and
answers-Compressed
all of the fallowing are primary uses of water in ARFF operations except : - questions and
answers-extinguishing fuel spills and fuel fires
all of the fallowing statement about the application of dry chemical on a class B fire is true
except : - questions and answers-the use of dry chemical agents reduces the chance of
flashback
all of the fallowing statements about extinguishing and overhual are true except - questions and
answers-extinguishment only involves only the elimination of surface fire on the ground
all of the fallowing statements about parking an ARFF apparatus near a ralroad track are true
except : - questions and answers-park on the opposite side of the tracks as the incident
,all of the fallowing statements about the breathing air system are true except : - questions and
answers-there are three breathing air cylinders located on top of the apparatus
all of the fallowing statements about the engine compartment inspections are true except -
questions and answers-belts should have proper tension of 3/4 to 1 inch deflection at the mid
point
all of the fallowing statements about the importance of prevenative maintanance are true except
that it - questions and answers-
all of the fallowing statements about using pressurized water sources are true except : -
questions and answers-
all of the following statements about and ILS are true except : - questions and answers-ARFF
apparatus can park in an ILS are when the ILS is being used
All the fallowing affects the apparatus positioning at a crash site EXCEPT : - questions and
answers-Time of day
all the fallowing reasons for maintainng good records is true except - questions and
answers-records keep the public informed about the apparatus availability and readiness
all the fallowing statement about backing an apparatus into a restricted space ( alley dock
exercise ) are true except : - questions and answers-you must successfully back the apparatus
within 4 minutes
all the following statements for driving an ARFF pparatus are true except : - questions and
answers-always use spotters when traveling forward into a restricted space
An alternating red and green light signal directed from the control tower indicates that the ARFF
apparatus driver operator should : - questions and answers-Proceed with caution
an ARFF apparatus should always be positioned - questions and answers-Upwind
an instrument landing system ( ILS ) critical area sign has a white inscription on a red
background and is a : - questions and answers-Mandatory instruction sign
any item that is very important to the general safety of personnel - questions and answers-major
any item which omitted or performed incorrectly would result in severe injusty or death -
questions and answers-critical
ARFF personnel must sound the proper withdrawn signal when : - questions and
answers-munitions have become involved in a fire
, as part of the weekly inspection , the foam transfer pump should be operated for ____ seconds
for proper operation - questions and answers-10 seconds
before driving a runway make sure to : - questions and answers-contact the control tower or
other airfield control authority to gain clearance
before driving on a runway, remember to - questions and answers-contact the control tower or
other airfield control authority to gain clearance
can be used on type ABC fires - questions and answers-dry chemical
class A foams and class B synthetic-based foam concentrates have a shelf life of : - questions
and answers-20 - 25 years
class B foam concentrates are typically mixed in proportions of - questions and answers-1%-6%
dispersed patterns do what - questions and answers-produce small particles excellent for
absorbing heat
drainage time - questions and answers-if the solution temperature is higher than 70 degrees F ,
add 0.1 minute for each 3 degrees F above 70 F, if the solution temperature is lower than 70
degrees F subtract 0.1 minute for each 3 degrees F below 70 degrees F
dry powder is most effective one - questions and answers-combustible metals
during a pump and roll, a fire stream is continuously produced : - questions and answers-while
the ARFF apparatus is in motion
During firefighting operations an ARFF Apparatus's on board tank is typically replenished
through - questions and answers-re supply operations
During the expansion and drainage test, note and record the level of accumulated solution in the
bottom for the cylinder every : - questions and answers-30 seconds
during the ground turret pattern test, disregard any foam that is less than : - questions and
answers-1/2 inch deep
Expansion Ratio - questions and answers-if the solution temperature is higher than 70 degrees
F , no correction applies, if the temperature is lower than 70 degrees F, add 0.1 unit of
expansion for each 3 degrees F below 70 degrees F
Foam is used as a primary extinguishing agent for - questions and answers-Class B fires
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