Test Flashcards
2 safety issues to check before opening engine compartment?
Shut down engine
Enough clearance
Key thing to remember when inspecting ARFF apparatus?
Be systematic
When performing the hand line nozzle test you may discharge foam for how long?
30 seconds
To accurately perform foam solution-concentration test you must obtain refractive index readings from what?
Water, foam solution, foam concentrate
Obtaining a sample foam that is typical of that applied to the burning fuel surface under anticipated fire conditions.. what kind of test?
Expansion and drainage test
Fuel, oil and mileage records should be updated how often?
IAW local jurisdiction
3 items that should be included in weekly fire apparatus record
Foam transfer pump
Pump pressure control
Intake strainers
What is important when parking near railroad tracks?
Do not park on opposite side of incident
When determine response route what should you take into account?
Height, weight and width restrictions
2 true statements about aircraft on an airfield?
Military aircraft includes all types used by armed forces
General aviation aircraft are used for pleasure and training
Alternating red/green light means?
Proceed with caution
3 things to demonstrate when doing ARFF performance test
Maintain safe speed
Maintain safe distance
Maintain control
Before driving on a runway do what?
Contact control tower
Use automotive controls and gauges to do what?
Operate ARFF apparatus safely
3 Steps to successfully complete defensive driving straight line and stopping procedures
Smooth safe stop
Forward/reverse without weaving
Accelerate through gear smoothly
To successfully complete the diminished clearance exercise you must do what?
Steer apparatus in a straight line both forward and in reverse without touching markers
How many spotters are needed when traveling in reverse on the serpentine exercise
1
3 true statements about dry chemicals
Useful on running fuel fires and 3D fires
Not effective for preventing flashback
Usually applied in hand lines
Ramp temperature at an airport is how much higher than ambient air temperature?
25-45 degrees
Halogenated agents are what?
Nonconductive
Noncorrosive
2 types of low energy foam proportions systems in ARFF apparatus
Direct injection
Balanced pressure
3 types of low energy foam proportioning systems
Direct injection
Balanced pressure
In-line eductor
What device is used to extinguish a peripheral fire after rescue operations are complete
Hand line
Device designed to attack fires at the base of the flames
Extendable turret
To ensure that auxiliary agents do not become packed and unusable you must?
Thoroughly flush system after each use
Foam application method for an ignited pool of liquid located on open ground is what?
Roll on method
What kind of inspection checks the winterization system, CTIS and public address system?
In cab inspection
During a drainage and expansion test you should note the level of accumulated solution in the cylinder how often?
Every 30 seconds
What is true when positioning the turret for a turret ground pattern test?
Tilt nozzles upward to form a 30 degree angle with horizontal
3 common requirements to follow when operating ARFF apparatus
Fire dept regulations
NFPA requirements
Local/state/federal law
Color commonly used for hold position markings and taxiways is what?
Yellow
Two true statements about response in rural areas
Less traffic but faster traffic
Check side streets/roads
3 Steph to take when performing the alley dock test
Use side mirrors
Make sure you can see spotters
Activate turn signal before backing up
Expansion rate of foam refers to what?
Volume of foam when aerated
Type of aircraft fuel that has highest flash point and slowest flame spread rate
Kerosene
Type of auxiliary agent used for class D fires only
Dry powder
Class B foam is usually mixed in what proportion?
1-6%
Phase of fire control when personnel extinguish spot fires?
Extinguishment and overhaul
ARFF personnel must sound the proper withdrawal signal when?
Munitions have become involved in Fire
3 controls used to operate the bumper turret ?
Oscillation control
Control handle
Discharge pattern control
Agent delivery device most commonly found on ARFF apparatus is what?
Turret
Purpose of the manifold on the center console is to
Regulate the air pressure in the crew members SCBA mask
CTIS can be used when apparatus is what?
Moving or stationary
3 things to check before conducting foam solution-concentration test, turret ground test, and expansion/drainage test?
Piping systems have been flushed
Pressure and flow characteristics of each outlet
Apparatus water/foam system is operational
When performing turret ground test pattern disregard any foam that is less than?
1/2” deep
Handline nozzles should be placed at what degree during test?
30 degrees
Items inspected on a periodic basis are performed how often?
4-12 month basis
2 defensive driving exercises performed during practical?
Straight line driving and stopping
Lane changing
Dispersed patterns produce what kind of particles ?
Small particles excellent for absorbing heat
3 methods used to resupply foam
Filling from 5gallon
Transferring from tender
Overhead gravity
Maximum distance in which you can see an obstruction and safely stop apparatus in time
Sight of control
How do you steer the apparatus during finished clearance exercise?
Both forward and reverse without touching markers
What method of foam proportioning uses an eductor to draft foam concentrate into water system?
Induction
Steep grade is defined as what degree elevation?
30
2 procedures to successfully complete diminishing clearance exercise
Maintain visual on spotter
Judge space necessary to clear both horizontal and vertical clearances
Application rate of class B foam is given in?
GPM per SQFT
Primary extinguishing agents are used for what?
Complete knockdown of fires
3 advantages of balanced pressure foam systems
No water intake pressure limit
Various % of foam can be discharge from different outlets
Water and foam can be simultaneously discharged from different outlets
To apply agent at either side of a flaming aircraft you should position the apparatus where?
Nose or tail
2 guidelines to numbering runways
Nearest compass bearing, rounded to nearest tenth
L & R to designate which one is which for the approaching pilot
2 true statements about military jet fuel
Hypergolic present hazard if inhaled, ingested or absorbed
Civilian aviation fuel has a flash point significantly lower than military jet fuel
ILS critical area is what kind of sign?
Red background white letters
Mandatory instruction sign
During fire fighting ops an ARFF apparatus is typically replenished through?
Resupply operations
Fire apparatus test record is used how often?
Yearly
Non aspirating nozzles provide better what? (Than foam aspirating nozzles)
Reach and penetration
