ESSENTIALS OF FIRE FIGHTING
UPDATED QUESTIONS WITH
CORRECT ANSWERS
⩥ In order to burn, fuel must be in a _____ state. Answer: Gaseous
⩥ Which statement about smoke is accurate? Answer: Smoke has the
potential to burn.
⩥ Which is a measure of heat energy transfer rate? Answer: Heat Flux
⩥ Heat transfers from one body to another by three mechanisms:
conduction, radiation, and: Answer: Convection
⩥ A fuel's _____ is the total amount of thermal energy released when a
specific amount of that fuel burns. Answer: heat of combustion
⩥ Which type of fuel is difficult to extinguish using water as the only
extinguishing agent? Answer: Liquids that are less dense (lighter) than
water
⩥ What is the primary consideration affecting how easily solid fuels
ignite? Answer: Surface to mass ratio
, ⩥ What is the primary oxidizing agent in most fires? Answer: Oxygen in
the air
⩥ The range of concentrations of fuel vapor and air within which
combustion can occur is the: Answer: flammable (explosive) range.
⩥ Which is an example of a self-sustaining chemical reaction? Answer:
Flaming combustion
⩥ The four stages of fire development are: Answer: incipient, growth,
fully developed, decay
⩥ Which stage of fire occurs when all combustible materials in the
compartment are burning at their peak heat release rate based on the
available oxygen? Answer: Fully developed
⩥ Development of a fire in the incipient stage depends largely upon the:
Answer: characteristics and configuration of the fuel involved.
⩥ If there are no openings for lateral movement during the growth stage
of a fire, the hot gases released during combustion will fill the
compartment: Answer: starting at the ceiling and filling down.
UPDATED QUESTIONS WITH
CORRECT ANSWERS
⩥ In order to burn, fuel must be in a _____ state. Answer: Gaseous
⩥ Which statement about smoke is accurate? Answer: Smoke has the
potential to burn.
⩥ Which is a measure of heat energy transfer rate? Answer: Heat Flux
⩥ Heat transfers from one body to another by three mechanisms:
conduction, radiation, and: Answer: Convection
⩥ A fuel's _____ is the total amount of thermal energy released when a
specific amount of that fuel burns. Answer: heat of combustion
⩥ Which type of fuel is difficult to extinguish using water as the only
extinguishing agent? Answer: Liquids that are less dense (lighter) than
water
⩥ What is the primary consideration affecting how easily solid fuels
ignite? Answer: Surface to mass ratio
, ⩥ What is the primary oxidizing agent in most fires? Answer: Oxygen in
the air
⩥ The range of concentrations of fuel vapor and air within which
combustion can occur is the: Answer: flammable (explosive) range.
⩥ Which is an example of a self-sustaining chemical reaction? Answer:
Flaming combustion
⩥ The four stages of fire development are: Answer: incipient, growth,
fully developed, decay
⩥ Which stage of fire occurs when all combustible materials in the
compartment are burning at their peak heat release rate based on the
available oxygen? Answer: Fully developed
⩥ Development of a fire in the incipient stage depends largely upon the:
Answer: characteristics and configuration of the fuel involved.
⩥ If there are no openings for lateral movement during the growth stage
of a fire, the hot gases released during combustion will fill the
compartment: Answer: starting at the ceiling and filling down.
