Firefighter 1 State Exam\/ Firefighter 2 State Exam New Latest Version Updated with 100+ Questions and 100% Correct Answers<\/p>\n\n\n\n
Firefighter 1 State Exam\/ Firefighter 2 State Exam Which of the following statements about foam proportioning is MOST accurate? ——-
New Latest Version Updated 2023-2024 with 100+
Questions and 100% Correct Answers
Which of the following procedures should be followed when service testing fire hose? —
—- Correct Answer ——– Stand away from the discharge valve connection when
charging hose
What type of extrication method is used to stabilize a vehicle that is upside down or
lying on its side? ——- Correct Answer ——– Buttress tension system
What initial action is the next priority after stabilizing the scene? ——- Correct Answer —
—— Stabilize the victim
Which action of fire fighting foam creates a barrier between the fuel and the fire? ——-
Correct Answer ——– Separating
Foam lowers surface tension of water, allowing it to __<\/em> fires in class A materials ——-
Correct Answer ——– Penetrate
Class A foam extinguishes and\/or prevents ignition by ——- Correct Answer ——–
Allowing water to penetrate fuels
When applied to solid fuels, Class A foam blankets the fuel, controls flames, then ——-
Correct Answer ——– Breaks down, releasing water to cool the fuel
Class B foams are especially effective on ——- Correct Answer ——– Hydrocarbon
fuels and polar solvents
The degree of foam expansion depends on the type of foam concentrate, accurate
proportioning, quality of the foam concentrate and ——- Correct Answer ——– Method
of aeration
Which of the following statements about Class A foam concentrates is most accurate? —
—– Correct Answer ——– Class A foam reduces the surface tension of water, allowing
better water penetration into the fuel.
Flammable liquids that mix readily with water are ——- Correct Answer ——– Polar
solvents
Which foams are required to extinguish fire of ethanol or ethanol-based fuels? ——-
Correct Answer ——– Alcohol resistant foams<\/p>\n\n\n\n
Correct Answer ——– Mixing Class A foam at a higher recommended percentage
results in a thick, dry foam.
Which of the following proportioning methods depends on the venturi principle to draw
foam through a hose connected to the foam concentrate container and into the water
stream? ——- Correct Answer ——– Education
Which of the following statements about foam proportioners and delivery system is
MOST accurate? ——- Correct Answer ——– The foam proportioner and delivery
system must be compatible to produce usable foam
Which of the following statements about foam hazards is most accurate? ——- Correct
Answer ——– Some foam concentrates and their vapors may be harmful if inhaled
The deployment of a master stream devices requires a minimum of ——- Correct
Answer ——– Two firefighters
Which kind of ground cover fire is slow moving and smoldering? ——- Correct Answer —
—— Ground fire
Which kind of ground cover fire burns on the soil surface, consuming low lying grass,
shrubs, and other vegetation? ——- Correct Answer ——– Surface fire
Which of the following is a long narrow strip of fire extending from the main fire? ——-
Correct Answer ——– Finger
What rule can be amended if a life safety hazard to a victim that can be saved without
undue risk to firefighters is present on scene? ——- Correct Answer ——– Two in, two
out rule
What fireground role is defined as the one that works to locate and assist firefighters
trapped during operations? ——- Correct Answer ——– Rapid intervention crew\/team
What fireground role should be two or more members wearing complete PPE and
respiratory protection, with the purpose of locating firefighters incapacitated during
operations? ——- Correct Answer ——– Rapid intervention crew\/team
Which of the following BEST describes the flash point of flammable liquids? ——-
Correct Answer ——– Less than 100F
Where should apparatus be located at a Class B fire? ——- Correct Answer ——–
Upwind and uphill of the incident
Water as a mechanical tool can move _<\/strong> to where they can burn safely ——-
Correct Answer ——– Class B fuels
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