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IFSTA CHAPTER 20 Exam Questions And
Answers 100% Pass
Which is the most obvious sign of fire cause?
Select one:
a.Extent of damage
b.Time between incipient and growth stages
c.Occurrence of flashover
d.Competent ignition source - ANS d.Competent ignition source
Which type of fuel source would require the greatest amount of heat to ignite because it must
undergo pyrolysis in order to burn?
Select one:
a.Gasoline
b.Hydrogen
c.Wood
d.Diesel fuel - ANS c.Wood
What factors must fire investigators identify before classifying fire cause?
Select one:
a.Ignition source, material first ignited, ignition sequence
b.Scope of damage, insurance, injuries sustained
c.Building construction classification, exposures, ignition source
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d.Ignition source, exposures, firefighting tactics used - ANS a.Ignition source, material first
ignited, ignition sequence
Which action could be considered illegal at a fire scene?
Select one:
a.Fire department personnel searching for evidence during the course of the fire investigation
b.Law enforcement officers informing a suspect of his or her Miranda rights at the scene of a
fire investigation
c.A homeowner denying the fire department the right of entry after the fire scene has been
relinquished
d.Fire department personnel giving up control of the scene, but then re-entering without
probable cause without a warrant - ANS d.Fire department personnel giving up control of the
scene, but then re-entering without probable cause without a warrant
How large should the perimeter outside a structure fire be?
Select one:
a.Large enough to surround the building and any adjacent exposure buildings
b.A minimum of 100 feet (30 m) in every direction from the building
c.Large enough to surround the building and all potential evidence outside the building
d.A minimum of 250 feet (75 m) in every direction from the building - ANS c.Large enough to
surround the building and all potential evidence outside the building
If someone falls asleep while smoking in bed and their house catches on fire, that would be an
example of a(an) _____ fire.
Select one:
a.natural
b.incendiary
c.undetermined
d.accidental - ANS d.accidental
IFSTA CHAPTER 20 Exam Questions And
Answers 100% Pass
Which is the most obvious sign of fire cause?
Select one:
a.Extent of damage
b.Time between incipient and growth stages
c.Occurrence of flashover
d.Competent ignition source - ANS d.Competent ignition source
Which type of fuel source would require the greatest amount of heat to ignite because it must
undergo pyrolysis in order to burn?
Select one:
a.Gasoline
b.Hydrogen
c.Wood
d.Diesel fuel - ANS c.Wood
What factors must fire investigators identify before classifying fire cause?
Select one:
a.Ignition source, material first ignited, ignition sequence
b.Scope of damage, insurance, injuries sustained
c.Building construction classification, exposures, ignition source
, ©EVERLY 2025 ALL RIGHTS RESERVED
d.Ignition source, exposures, firefighting tactics used - ANS a.Ignition source, material first
ignited, ignition sequence
Which action could be considered illegal at a fire scene?
Select one:
a.Fire department personnel searching for evidence during the course of the fire investigation
b.Law enforcement officers informing a suspect of his or her Miranda rights at the scene of a
fire investigation
c.A homeowner denying the fire department the right of entry after the fire scene has been
relinquished
d.Fire department personnel giving up control of the scene, but then re-entering without
probable cause without a warrant - ANS d.Fire department personnel giving up control of the
scene, but then re-entering without probable cause without a warrant
How large should the perimeter outside a structure fire be?
Select one:
a.Large enough to surround the building and any adjacent exposure buildings
b.A minimum of 100 feet (30 m) in every direction from the building
c.Large enough to surround the building and all potential evidence outside the building
d.A minimum of 250 feet (75 m) in every direction from the building - ANS c.Large enough to
surround the building and all potential evidence outside the building
If someone falls asleep while smoking in bed and their house catches on fire, that would be an
example of a(an) _____ fire.
Select one:
a.natural
b.incendiary
c.undetermined
d.accidental - ANS d.accidental
