Fire Fighter 2 - Chapter 28 Origin and Cause
Questions and Verified Answers
Which pattern of char on a wall suggests that the fire spread upward from the
base? Correct Answer: V
When should fire fighters begin making observations for use in a fire investigation?
Correct Answer: During dispatch and response
Removal and inspection of the layers of debris from a fire will most likely result in
determination of the: Correct Answer: sequence of items burned.
Which is a requirement of a competent ignition source? Correct Answer: 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? Correct Answer: Exigent circumstances
A security camera recording showing a person starting a fire is an example of
__________ evidence. Correct Answer: direct
Which process is used in fire investigation to validate or refute claims of faulty
equipment? Correct Answer: Destructive analysis investigation
Where does the fire investigation process usually begin? Correct Answer: Exterior
Who should conduct interviews with potential witnesses to a fire? Correct Answer:
Fire investigator
Which NPFA standard establishes job performance requirements for fire
investigators? Correct Answer: 1033
Which is the fourth step in NFPA's scientific method for determining cause and
origin? Correct Answer: Analyze the data
, The official probable cause is the __________ with the highest level of certainty.
Correct Answer: hypothesis
Which is the primary indicator of the point of origin in a structure fire? Correct
Answer: 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? Correct Answer: Spree
Which is part of the definition of arson? Correct Answer: Criminal intent
If an investigation does not produce the criteria for probable cause, the fire should
be classified as: Correct Answer: undetermined.
Documented statements given by fire fighters and bystanders are __________
evidence. Correct Answer: testimonial
Fire patterns on a wall are an example of __________ evidence. Correct Answer:
physical
Which task should be performed first when conducting a fire investigation? Correct
Answer: Identify the point of origin
What is indicated by a fire that flares up when water is applied to it? Correct
Answer: Presence of an ignitable liquid
Which is one of the six motives of arsonists identified by the USFA? Correct
Answer: Extremism
All of the following are unusual items or conditions except one. Choose the
exception. Correct Answer: House and contents well-kept and in good condition
A computer model showing fire spread through a building is an example of
__________ evidence. Correct Answer: demonstrative
Questions and Verified Answers
Which pattern of char on a wall suggests that the fire spread upward from the
base? Correct Answer: V
When should fire fighters begin making observations for use in a fire investigation?
Correct Answer: During dispatch and response
Removal and inspection of the layers of debris from a fire will most likely result in
determination of the: Correct Answer: sequence of items burned.
Which is a requirement of a competent ignition source? Correct Answer: 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? Correct Answer: Exigent circumstances
A security camera recording showing a person starting a fire is an example of
__________ evidence. Correct Answer: direct
Which process is used in fire investigation to validate or refute claims of faulty
equipment? Correct Answer: Destructive analysis investigation
Where does the fire investigation process usually begin? Correct Answer: Exterior
Who should conduct interviews with potential witnesses to a fire? Correct Answer:
Fire investigator
Which NPFA standard establishes job performance requirements for fire
investigators? Correct Answer: 1033
Which is the fourth step in NFPA's scientific method for determining cause and
origin? Correct Answer: Analyze the data
, The official probable cause is the __________ with the highest level of certainty.
Correct Answer: hypothesis
Which is the primary indicator of the point of origin in a structure fire? Correct
Answer: 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? Correct Answer: Spree
Which is part of the definition of arson? Correct Answer: Criminal intent
If an investigation does not produce the criteria for probable cause, the fire should
be classified as: Correct Answer: undetermined.
Documented statements given by fire fighters and bystanders are __________
evidence. Correct Answer: testimonial
Fire patterns on a wall are an example of __________ evidence. Correct Answer:
physical
Which task should be performed first when conducting a fire investigation? Correct
Answer: Identify the point of origin
What is indicated by a fire that flares up when water is applied to it? Correct
Answer: Presence of an ignitable liquid
Which is one of the six motives of arsonists identified by the USFA? Correct
Answer: Extremism
All of the following are unusual items or conditions except one. Choose the
exception. Correct Answer: House and contents well-kept and in good condition
A computer model showing fire spread through a building is an example of
__________ evidence. Correct Answer: demonstrative
