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Fire Service Hydraulics and water supply with complete verified solutions 2025.
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Fire Service Hydraulics and water supply with complete verified solutions 2025.
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Fire Service Hydraulics andwater supply with complete
verified solutions 2025
Fire pumpers - answer Provide adequate water pressure for
effective water streams from tank, lake, or hydrant
Pump Requirements - answer Min 750 gpm and 300 gallons
municipal pumpers rarely exceed 2000 gpm
industrial pumpers exceed 2000 gpm
have intake and discharge connections, supply, and attack hose
have ladders, scba, forcible entry tools, medical equipment, salvage
and overhaul
foam capabilites - answer many industrial pumpers are also large
capacity foam pumpers on Class A and Class B foam
Municipal foam tanks range from 20 to 100 gallons
Initial attack fire apparatus - answer highly maneuverable and
often used to respond to incidents where access is limited
scaled down version of full sized pumper
small chassis
mini pumper- pick up sized chassis with pump capacity less than
500 gpm
midi pumper- vehicle smaller than full size pumper weight 12,000
and pump no greater than 1,000
mobile water supply - answer -Known as water tenders or tankers
,-Water tenders transport water to areas beyond a water source
-Onboard water tank of attack pumper is usually insufficient for fire
attack
-Equipped with tank capacity 1,000 gallons
-Park in close proximity to fire scene
Bridge and Weight Limits- Consideration for determining capacity of
mobile water supply
Monetary Constraints- Jurisdiction may not have enough money to
fund mobile water supply
Interoperability- Capability of nearby jurisdictions must be
considered
2 functions
1) Arrives at dump site and pumps off or dumps water into folding
water tank
2) Nurse tender at fire scene pumpers connect to water tender and
use its supply
Brush Trucks - answer Lightweight, all terrain, highly
maneuverable
-Mounted on one-ton chassis featuring all-wheel drive (500 gallons
or less)
-Pump and roll system to allow apparatus to be driven while
discharging water
-Carry booster hose, forestry hose, and small diameter
-Equipped with CAFS or other types of Class A foam systems
-Personnel should not ride on outside of apparatus
Aircraft Apparatus & Fire Boats - answer Aircraft Apparatus- Used
to provide immediate suppression of flammable liquids and vapors
Fire Boats- Operate in areas containing boat or ship traffic as well as
harbors with piers
,Aerial Apparatus Equipped with Fire Pumps - answer -Provide more
options for Incident Commander
-Able to supply its own master stream and extinguish fire without
engine
-Function with capabilities of an engine or ladder company
-Limited in its reach
Quint- Engine and ladder truck rated at 1,000gpm 300 gallons
-Equipped with fire pump, water tank, hose, aerial device, and
ground ladders
Electric Power Generators - answer -Used to power electrical
equipment on scene
-Inverter can be used to convert 12 or 24-volt DC to 110 or 220-volt
AC
-Inverter can be moved only a short distance
-Inverters used to power vehicle mounted floodlights
-Portable generators most common power source 5,000 watt is
highest
-Vehicle mounted generator powers apparatus up to 12,000 watts
Scene Lighting - answer -Driver/operator must be proficient in
setup
-Two types portable or fixed
-Ranging from 300 to 1,000 portable lights can be moved over
distance
-Fixed lights provide lighting around the apparatus and near the
scene
Electrical Power Distribution Equipment - answer Twist lock
receptacles- Provide secure connections for heavy duty cords
Junction boxes- Supply electrical power to several connections from
one supply source
, Adapters- Allows rescuers to plug equipment into standard
electrical outlets
Maintenance - answer Refers to keeping apparatus in a state of
usefulness or readiness
Repair - answer To restore that which has become inoperable
Maintenance Program - answer -Should be operating procedures
SOG for reporting, correcting, and documenting all activities
-When they are performed and who's is conducting maintenance
-Driver is often able to correct minor deficiencies
-Repair work that is complex requires mechanic
-Routine maintenance varies by jurisdiction
Out-of-Service - answer immediate action must be taken
Vehicle Cleanliness - answer -Helps promote a longer life
-Rinse road salt off to prevent corrosion to body
-Wash with cold water for first 6 months
-Use garden hose without nozzle (High pressure can drive dirt and
debris into finish)
-Rinse as much dirt as possible before applying soap
-Parts are free of dirt and grime
-Dry with chamois
-Clean glass with warm soapy water, paper towels
-Shop towels or not acceptable, may have metal shavings in cloth
-Sweep or vacuum loose debris in compartments
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