ARFF DRIVER – OPERATOR EXAM QUESTIONS PERFECTLY SOLVED 2024!!!
What are the three items to be checked when inspecting the wheels and tires? -Answer- • Broken studs or clamps
• Tire tread
• Valve stem
If you are inspecting wiper blades, wind shield, lights, and steering? -Answer- �...
ARFF DRIVER – OPERATOR EXAM
QUESTIONS PERFECTLY SOLVED
2024!!!
What are the three items to be checked when inspecting the wheels and tires? -
Answer- • Broken studs or clamps
• Tire tread
• Valve stem
If you are inspecting wiper blades, wind shield, lights, and steering? -Answer- • Front of
apparatus
Air cylinders should read? -Answer- 4500 psi
For 6 percent foam concentrates the concentration should be between ______ percent
for turret nozzles and between _______ for hand line nozzles? -Answer- • 5.5 to 7.00 for
turrets
• 5.5 to 8.0 for hand line nozzles
CHECKED D
CHECKED DAILY -Answer- • Pump drive control
• Pumping instruments
• Hose line
• Turrets
• Agent tanks
• Auxiliary winterization/cooling
• Auxiliary fire suppression system
• Breathing air systems
• Fuel tanks
CHECKED WEEKLY -Answer- • Pump and intake strainers
• Pump gearbox and packing glands
• Pump pressure control device
• Foam transfer pump
To insure an accurate test ensure the wind is? -Answer- • Under 5 MPH
Expansion ratio -Answer- solution temp is higher than 70 degrees no correction applies
if temp is lower than 70 degrees add oil unit of expansion for each 3 degrees below 70.
, Drainage time -Answer- if the solution is higher than 70 degrees add oil minutes for
each 3 degrees above 70. If lower than 70 degree subtract oil minutes for each 3
degrees below 70.
Ground pattern test steps -Answer- • Discharge foam
• Place marker
• Disregard less than ½ inch thick
• Plot/ measure
Foam equipment test matches -Answer- • Hand line nozzle- foam nozzle settings
• Foam solution concentrate- clean plastic or glass containers
• Expansion and drainage-has two different test methods
• Turret ground pattern-winds under 5 mph
What foam test uses a refract meter? -Answer- • Foam solution concentrate test
What are three items covered in a periotic test? -Answer- • Flushing pump tanks
• Pooling system hoses
• Power saws
Prior than conducting an expansion and drainage test the temp should be no lower
than? -Answer- • 60 degrees
Identify TWO true statements about the turning radius of an ARFF apparatus? -
Answer- • It's a good idea to practice driving your ARFF apparatus to become familiar
with your turning radius
• The turning radius is the amount of space a ARFF apparatus takes a complete a 360-
deree turn
Identify the TRUE statement about the expansion and drainage test? -Answer- • The
object of test method B is to obtain a sample of foam that is typical of that to be applied
to the burning fuel surface under anticipated fire condition
Identify two types of low energy foam proportioning system installed of ARFF
apparatus? -Answer- • Direct-injection
• Balance pressure
A step grade is defined as ______ degrees grade going either up or down? -Answer-
30
All of the following are primary uses of water in ARFF operations EXCEPT? -Answer- •
Extinguishing fuel spills and fuel fires
Identify TWO TRUE statements about auxiliary agents? -Answer- • They must be
compatible with primary agents
• They must be used on a specific class of fire for which they are rated
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