ARFF EOC Exam with all Correct & 100% Verified Answers
|Latest Version |Already Graded A+
Preventive Maintenace plays a key role in ✔Correct Answer-Reliability, lessens out of service
time, reduces frequency of cost of repairs
proper tension of engine belts ✔Correct Answer-1/2 in to 3/4 in
Daily checks ✔Correct Answer-pump drive control, pump instruments, hoselines, turrets,
agent tanks, auxiliary and cooling systems, fuel tank, aux fire suppression system
weekly check ✔Correct Answer-pump and intake strainers, pump gearbox and packing glands,
pump pressure and control device, foam transfer pump
Method B expansion and drainage test, after obtaining the weight of the foam solution the next
step is to.. ✔Correct Answer-obtain the equivalent 25% drainage volume in milliliters
4 types of foam testing ✔Correct Answer-1. foam solution concentration test
2. turret ground test
3. expansion and drainage test
4. handline and nozzle test
daily records ✔Correct Answer-fluid levels, tires, brakes, instrument and gauges, batteries and
pump valves
periodic records ✔Correct Answer-4-12 months
power saws, generators, lubrication, cooling system hoses, and flushing the pump and tank
used to track performance measures
test records ✔Correct Answer-overall performance to track equipment failures and other
malfunctions
must have specific info of truck such as serial number, class, pump type, etc.
inspection records help with ✔Correct Answer-replacement
data reference
insurance
to check if the air filter needs to be changed... ✔Correct Answer-test the restriction indicator
refractometer is used in which foam test ✔Correct Answer-foam solution test
tachometer ✔Correct Answer-rpm
, ammeter ✔Correct Answer-measures the amount of current drawn
voltometer ✔Correct Answer-measure the condition of the battery
when driving your truck ✔Correct Answer-shift to a higher gear as you navigate around
corners and curves
the lane change exercise requires you to ✔Correct Answer-not exceed a speed of 25 mph
aircraft fuel spills should be blanketed in foam if.. ✔Correct Answer-more than 10 ft in any
direction
50 square ft
continous
concentrate storage ✔Correct Answer-storage containers lined with plastic to resist
corrosiveness
foam tenders transport foam concentrate to the truck
different foam concentrates have different shelf lives
expansion rates ✔Correct Answer-high expansion: 200:1 and 1000:1
medium: 20:1 and 200:1
low: up to 20:1
2 rules of auxiliary agents ✔Correct Answer-NOT interchangeable
must be compatible with primary agent
dry chemicals are compatible with... ✔Correct Answer-AFFF , work well with 3 dimensional
and running fuel fires
haolgen weaknesses ✔Correct Answer-ineffective for preventing flashover
ineffective on self oxidizing fires
low energy system ✔Correct Answer-air introduced at the nozzle
low energy foam proportioning methods ✔Correct Answer-batch mixing
around the pump proportioner
in line eductor
balanced pressure
variable flow/variable rate direct injection
eductor ✔Correct Answer-draws foam concentrate into the water
high energy system ✔Correct Answer-air introduced before the nozzle
|Latest Version |Already Graded A+
Preventive Maintenace plays a key role in ✔Correct Answer-Reliability, lessens out of service
time, reduces frequency of cost of repairs
proper tension of engine belts ✔Correct Answer-1/2 in to 3/4 in
Daily checks ✔Correct Answer-pump drive control, pump instruments, hoselines, turrets,
agent tanks, auxiliary and cooling systems, fuel tank, aux fire suppression system
weekly check ✔Correct Answer-pump and intake strainers, pump gearbox and packing glands,
pump pressure and control device, foam transfer pump
Method B expansion and drainage test, after obtaining the weight of the foam solution the next
step is to.. ✔Correct Answer-obtain the equivalent 25% drainage volume in milliliters
4 types of foam testing ✔Correct Answer-1. foam solution concentration test
2. turret ground test
3. expansion and drainage test
4. handline and nozzle test
daily records ✔Correct Answer-fluid levels, tires, brakes, instrument and gauges, batteries and
pump valves
periodic records ✔Correct Answer-4-12 months
power saws, generators, lubrication, cooling system hoses, and flushing the pump and tank
used to track performance measures
test records ✔Correct Answer-overall performance to track equipment failures and other
malfunctions
must have specific info of truck such as serial number, class, pump type, etc.
inspection records help with ✔Correct Answer-replacement
data reference
insurance
to check if the air filter needs to be changed... ✔Correct Answer-test the restriction indicator
refractometer is used in which foam test ✔Correct Answer-foam solution test
tachometer ✔Correct Answer-rpm
, ammeter ✔Correct Answer-measures the amount of current drawn
voltometer ✔Correct Answer-measure the condition of the battery
when driving your truck ✔Correct Answer-shift to a higher gear as you navigate around
corners and curves
the lane change exercise requires you to ✔Correct Answer-not exceed a speed of 25 mph
aircraft fuel spills should be blanketed in foam if.. ✔Correct Answer-more than 10 ft in any
direction
50 square ft
continous
concentrate storage ✔Correct Answer-storage containers lined with plastic to resist
corrosiveness
foam tenders transport foam concentrate to the truck
different foam concentrates have different shelf lives
expansion rates ✔Correct Answer-high expansion: 200:1 and 1000:1
medium: 20:1 and 200:1
low: up to 20:1
2 rules of auxiliary agents ✔Correct Answer-NOT interchangeable
must be compatible with primary agent
dry chemicals are compatible with... ✔Correct Answer-AFFF , work well with 3 dimensional
and running fuel fires
haolgen weaknesses ✔Correct Answer-ineffective for preventing flashover
ineffective on self oxidizing fires
low energy system ✔Correct Answer-air introduced at the nozzle
low energy foam proportioning methods ✔Correct Answer-batch mixing
around the pump proportioner
in line eductor
balanced pressure
variable flow/variable rate direct injection
eductor ✔Correct Answer-draws foam concentrate into the water
high energy system ✔Correct Answer-air introduced before the nozzle
