TCFP FIRE INVESTIGATOR TEST /FIRE INVESTIGATOR -
MASTER FOR TCFP EXAM ACTUAL EXAM 350
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A
Is NFPA 921 a guide or a standard? .....ANSWER.....It is the
Guide for Fire and Explosion Investigations
What are the six steps of the scientific method?
.....ANSWER.....Recognize the need
Define the problem
Collect the data
Analyze the data
Develop a hypothesis
Test the hypothesis
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What step of the scientific method is inductive reasoning?
.....ANSWER.....Analyze the data
What step of the scientific method is deductive reasoning?
.....ANSWER.....Test the hypothesis
What are the four parts of the fire tetrahedron?
.....ANSWER.....Fuel (reducing agent)
Heat
Oxidizing agent
Uninhibited chemical chain reaction
What kind of reaction absorbs energy, an endothermic or an
exothermic reaction? .....ANSWER.....Endothermic
What is heat transfer by direct contact called?
.....ANSWER.....Conduction
What is heat transfer by gas flow / air movement called?
.....ANSWER.....Convection
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What is heat transfer by microwave energy called?
.....ANSWER.....Radiation
What is a fuel controlled fire? .....ANSWER.....A fire that is limited
by the amount of combustibles.
What is a ventilation controlled fire? .....ANSWER.....A fire that is
limited by the amount of oxygen.
What are the stages of fire growth? .....ANSWER.....Ignition
Growth
Flashover
Fully Developed
Decay
What is a flashover? .....ANSWER.....The transition phase from
growth to fully developed, where all surfaces reach ignition
temperature almost simultaneously.
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What is ignition of the underside of the hot gas layer called?
.....ANSWER.....Flameover or rollover
What factors influence flashover conditions? .....ANSWER.....Size
of the compartment
Height of ceiling
Ventilation
Amount of fuel
Layout of fuel
Location of fire in the compartment
What are fire patterns? .....ANSWER.....The physical
manifestation of the affects of fire on materials.
What are the different types of fire patterns on the walls and
ceiling? .....ANSWER.....Plume Generated patterns (often V
shaped)
Ventilation generated patterns