ARFF DRIVER-OPERATOR QUESTIONS ANSWERED CORRECTLY & GRADED A+
If the solution temp is higher than 70 degrees, no correction applies. If the temperature is lower than 70 degrees, add 0.1 unit of expansion for each 3 degrees below 70 -Answer- Expansion ratio
Identify THREE items that are covered...
If the solution temp is higher than 70 degrees, no correction applies. If the temperature
is lower than 70 degrees, add 0.1 unit of expansion for each 3 degrees below 70 -
Answer- Expansion ratio
Identify THREE items that are covered under a periodic inspection of a fire apparatus -
Answer- -Flushing pump and tank
-Cooling system hoses
-Power saws
If you are doing a maintenance check on items such as pump valves, fluid levels,
gauges, and batteries, you would document your findings on the: -Answer- Daily fire
apparatus records
The hand line nozzle test: -Answer- Analyses effect foam patterns produced from each
nozzle setting.
All of the following are equations used in the foam solution-concentration test EXCEPT:
-Answer- Rv
Identify THREE reasons for using inspection reports. -Answer- -Referrals
-Data References
-Replacement
Place the steps for conducting the turret ground pattern test in the correct order. -
Answer- 1. Discharge the foam onto a paved surface for 30 seconds at the specific
pressure, in both the straight stream and fully dispersed nozzle settings.
2. Immediately after foam discharge has stopped, place markers, such as cones,
around the outside perimeter to preserve the identity of the foam pattern as it fell on the
ground.
3. For purposes of defining the edge of the pattern, disregard and foam that is less than
1/2 inch deep
4. Plot the distances between the markers on graph paper.
5. Measure the distance from the nozzle to the end of the effective foam pattern and
plot the results on graph paper.
Identify THREE reasons for using inspection reports -Answer- -Insurance
-Data References
-Replacement
, All of the following statements about an ARFF apparatus are TRUE EXCEPT: -Answer-
There is a new technology that maintains a constant apparatus weight with either a full
or empty water/foam tank
Identify THREE conditions that could cause you to lose control of your ARFF Apparatus.
-Answer- -Liquid surge within the water tank
-Traveling at 50 mph around a turn
-Wet, icy roadways
A liquid surge effect is defined as: -Answer- the movement of liquid in an ARFF
apparatus due to changes in speed or direction.
Identify THREE TRUE statements about airfield light signals -Answer- -Light signals are
used in areas designed for aircraft use when radio communications fail
-A steady green light indicates that any aircraft or other apparatus may proceed
-An alternating green and red light indicates that traffic can proceed using extreme
caution
A runway distance remaining sign displaying the number "6" indicates to the pilot that
there are: -Answer- 6,000 feet of runway remaining
A painted or lighted "X" indicates that a runway is: -Answer- Closed to aircraft and
vehicle operations
To turn an ARFF apparatus: -Answer- Decelerate before the turn, turn, and then
accelerate.
When driving on a downgrade, what should your rpm gauge read? -Answer- Below
redline
Identify THREE TRUE statements about railroad crossings. -Answer- -An ARFF
apparatus must come to a complete stop before entering a railroad crossing zone.
-Check to your left and right before proceeding across the tracks
-Cross the tracks without delay once both directions are clear
All of the following statements about managing underpasses and low clearance areas
are TRUE EXCEPT: -Answer- Adjust the ARFF apparatus height to gain clearance
through height restricted areas
Place the steps for backing into a restricted spaced in the correct order. -Answer- 1.
Activate your turn signal
2. Drive forward past the markers
3. Use your side view mirrors
4. Maintain visual contact with the spotter when backing
5.Judge the apparatus's clearance around the obstacles
6. Back the apparatus turning into the marked stall
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