Fire Fighter 2 - Chapter 28 Origin and Cause Questions with Correct Answers Latest Update
2026/2027
Which pattern of char on a wall suggests that the fire spread upward from the base? - Answers
V
When should fire fighters begin making observations for use in a fire investigation? - Answers
During dispatch and response
Removal and inspection of the layers of debris from a fire will most likely result in determination
of the: - Answers sequence of items burned.
Which is a requirement of a competent ignition source? - Answers Heat source and fuel in
contact long enough to reach ignition temperature
Which legal rule permits emergency responders to enter a private building without first
obtaining consent? - Answers Exigent circumstances
A security camera recording showing a person starting a fire is an example of __________
evidence. - Answers direct
Which process is used in fire investigation to validate or refute claims of faulty equipment? -
Answers Destructive analysis investigation
Where does the fire investigation process usually begin? - Answers Exterior
Who should conduct interviews with potential witnesses to a fire? - Answers Fire investigator
Which NPFA standard establishes job performance requirements for fire investigators? -
Answers 1033
Which is the fourth step in NFPA's scientific method for determining cause and origin? -
Answers Analyze the data
The official probable cause is the __________ with the highest level of certainty. - Answers
hypothesis
Which is the primary indicator of the point of origin in a structure fire? - Answers Fire patterns
Which is the term for an arsonist who sets three or more fires at separate locations with no
cooling-off period between fires? - Answers Spree
Which is part of the definition of arson? - Answers Criminal intent
If an investigation does not produce the criteria for probable cause, the fire should be classified
as: - Answers undetermined.
Documented statements given by fire fighters and bystanders are __________ evidence. -
2026/2027
Which pattern of char on a wall suggests that the fire spread upward from the base? - Answers
V
When should fire fighters begin making observations for use in a fire investigation? - Answers
During dispatch and response
Removal and inspection of the layers of debris from a fire will most likely result in determination
of the: - Answers sequence of items burned.
Which is a requirement of a competent ignition source? - Answers Heat source and fuel in
contact long enough to reach ignition temperature
Which legal rule permits emergency responders to enter a private building without first
obtaining consent? - Answers Exigent circumstances
A security camera recording showing a person starting a fire is an example of __________
evidence. - Answers direct
Which process is used in fire investigation to validate or refute claims of faulty equipment? -
Answers Destructive analysis investigation
Where does the fire investigation process usually begin? - Answers Exterior
Who should conduct interviews with potential witnesses to a fire? - Answers Fire investigator
Which NPFA standard establishes job performance requirements for fire investigators? -
Answers 1033
Which is the fourth step in NFPA's scientific method for determining cause and origin? -
Answers Analyze the data
The official probable cause is the __________ with the highest level of certainty. - Answers
hypothesis
Which is the primary indicator of the point of origin in a structure fire? - Answers Fire patterns
Which is the term for an arsonist who sets three or more fires at separate locations with no
cooling-off period between fires? - Answers Spree
Which is part of the definition of arson? - Answers Criminal intent
If an investigation does not produce the criteria for probable cause, the fire should be classified
as: - Answers undetermined.
Documented statements given by fire fighters and bystanders are __________ evidence. -
