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FF2 FINAL EXAM 2025 REVIEW WITH COMPLETE QUESTIONS ANDCORRECT ANSWERS RATED A+
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FF2 FINAL EXAM 2025 REVIEW WITH COMPLETE QUESTIONS ANDCORRECT ANSWERS RATED A+
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FF2 FINAL EXAM 2025 REVIEW WITHCOMPLETE QUESTIONS ANDCORRECT
ANSWERS RATED A+
How is the amount of water needed for domestic use and fire
protection calculated?
A.Based on minimum daily water consumption
B.Based on anticipated needs and fire protection daily usage
C.Based on averages and maximum daily water consumption
D.Based on history of consumption and estimates of anticipated
needs Correct Answer D.Based on history of consumption and
estimates of anticipated needs
Which of the following reduces the volume and pressure of water
available from hydrants?
A.Friction loss
B.Pressure loss
C.Water hammer
D.Pressure decline Correct Answer A.Friction loss
A drafting operation will require a minimum of ___ inches (mm) of
water above and below the hard intake strainer.
A.6 (150)
B.12 (300)
C.24 (600)
D.36 (900) Correct Answer C.24 (600)
What type of fire hose damage can weaken the jacket which can
lead to ruptures under pressure?
A.Organic damage
B.Thermal damage
C.Chemical damage
D.Mechanical damage Correct Answer A.Organic damage
,Which valve device is similar to a wye, but has an inlet and outlet
of matching size combined with smaller outlets that take water
from the main line?
A.Hydrant valve
B.Siamese appliance
C.Water thief appliance
D.Large-diameter hose appliance Correct Answer C.Water thief
appliance
Where might booster hose reels be mounted on the apparatus?
A.In the cab
B.On the rear bumper
C.In rear compartments
D.Below the pump panel Correct Answer C.In rear compartments
Friction loss may be overcome by:
A.curving the hoseline.
B.decreasing hose size.
C.increasing pump pressure.
D.inserting in-line gauges in the layout. Correct Answer
C.increasing pump pressure.
Which of the following types of fog nozzles provides a constant
discharge rate throughout a range of patterns?
A.Basic
B.Constant pressure
C.Constant gallonage
D.Constant/select gallonage Correct Answer C.Constant
gallonage
Which statement about constant-pressure fog nozzles is MOST
accurate?
A.The operator can vary the flow rate while maintaining constant
nozzle pressure.
,B.The operator can vary flow rate but must also change the
nozzle pressure.
C.Constant-pressure fog nozzles for handlines are only designed
for low-flow rates.
D.Constant-pressure fog nozzles are reliable when the operating
pressure is less than 100 psi (700 kPa). Correct Answer A.The
operator can vary the flow rate while maintaining constant nozzle
pressure.
Which of the following is a characteristic of nozzles designed to
operate at pressures less than 100 psi (700 kPa)?
A.Have more nozzle reaction
B.Produce droplets of smaller size
C.Produce lower-density fog patterns
D.Produce fire streams with greater velocity Correct Answer
C.Produce lower-density fog patterns
Which action of fire fighting foam creates a barrier between the
fuel and the fire?
A.Cooling
B.Aerating
C.Separating
D.Penetrating Correct Answer C.Separating
Foam lowers surface tension of water, allowing it to ___ fires in
Class A materials.
A.cool
B.smother
C.suppress
D.penetrate Correct Answer D.penetrate
Class A foam extinguishes and/or prevents ignition by:
A.allowing water to penetrate fuels.
B.creating a barrier between the fuel and the fire.
C.preventing air from reaching the fuel or mixing with vapors.
, D.lowering the temperature of the fuel and adjacent surfaces.
Correct Answer A.allowing water to penetrate fuels.
Which of the following statements about fire fighting foams is
MOST accurate?
A.The majority of fire fighting foams are Class A and Class K.
B.Class A foam is especially effective on hydrocarbon fuels and
polar solvents.
C.Foam works by forming a blanket of foam on the surface of
burning liquid and solid fuels.
D.Foam works by increasing the surface tension of water, making
fire streams more cohesive to reach a greater distance. Correct
Answer C.Foam works by forming a blanket of foam on the
surface of burning liquid and solid fuels.
When applied to solid fuels, Class A foam blankets the fuel,
controls flames, then:
A.changes the pH of the water.
B.expands at a ratio of 20-to-1.
C.dissipates into the air, leaving no residue.
D.breaks down, releasing water to cool the fuel. Correct Answer
D.breaks down, releasing water to cool the fuel.
The proportioning method which uses an external pump or head
pressure to force foam concentrate into the fire stream is:
A.injection.
B.eduction.
C.premixing.
D.batch-mixing. Correct Answer A.injection.
Which of the following foam proportioners may compromise
firefighter safety since it is difficult to quickly relocate the
components?
A.In-line foam eductor
B.Foam nozzle eductor
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