FDNY CYCLE 1 AND 2 Questions and Correct Answers/ Latest Update / Already Graded

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FDNY CYCLE 1 AND 2 Questions and
Correct Answers/ Latest Update / Already
Graded
Combustion

Ans: Self-sustaining process of rapid oxidation of a fuel, which
produces heat and light


Fire

Ans: the result of a rapid combustion reaction


Flammable or explosive limits

Ans: % of a substance in the air that will burn once it is ignited


Flashpoint

Ans: The lowest temperature at which a combustible material
will produce an ignitable vapor.At this temperature, ignite will
flash but not continue to burn


Heat

Ans: Form of energy that raises temperature


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Ignition temperature

Ans: minimum temperature to which a fuel in the air must be
heated to start a self-sustained combustion without a separate
ignition source


Conduction

Ans: The direct transfer of heat from one substance to another
substance that it is touching.


Convection

Ans: transfer of heat by the movement of air or liquid


Radiation

Ans: heat traveling through space until it reaches an opaque
object.


Fire Tetrahedron

Ans: Heat, Fuel, Oxygen, Chemical Chain Reaction




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Fuel can be found in

Ans: solids, liquids and gasses.


Pyrolisis

Ans: Process of heating a liquid or solid to the point where it
gives off gasses capable of combustion


Phases of fire

Ans: Incipient, Steady- State, Rollover, Flashover, Hot
smoldering, Backdraft


incipient

Ans: earliest phase of a fire beginning with the actual ignition.


Steady-State Burning Phase

Ans: Phase of fire where there is sufficient oxygen and fuel for
fire growth and open burning to a point where total
involvement is possible


Rollover(Flameover)


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