Chapter 19 Flashcards
Where should a firefighter or investigator start searching for area of origin for a structure fire?
Select one: A. Rightof the unburned area B. Outside of the structure C. Left of the burned area D. Inside the burned area
B. Outside of the structure
Which of the following factors affect the rate and direction of the spread of exterior fires?
Select one: A. Time of the day B. Basic fire behavior C. Unburned material D. Wild direction
D. Wind Direction
Which of the following can trace a fire spread?
Select one: A. Debris B. Charring C. Flashover D. Fire Pattern
D. Fire Pattern
How are overhaul operations detrimental to an investigation?
select one: A. It can Preserve evidence B. It can Secure evidence C. It can destroy evidence D. It can shelter evidence
C. It can destroy evidence
Which of the following statements is MOST accurate about exterior fires?
Select one:
A. All sides of grass stems and tree trunks will be burnt
B. White ash appears on the underside of remaining debris
C. The area of origin may display unburned materials
D. Grass will fall away from the area of the origin as it burns
C. The area of origin may display unburned materials
Which of the following statements is MOST accurate about procedures for criminal investigation?
select one:
A. A Log should be kept of all authorized persons who enter and leave incident perimeter
B. Evidence should be marked after the examination, documentation, and collection has occurred
C. As long as a log is kept, anyonw can enter the perimeter scene
D. The staging area should be within the perimeters of the scene
A. A Log should be kept of all authorized persons who enter and leave incident perimeter
When working on interior examination a firefighter should work from:
Select one:
A. The left side of the structure to the right side
B. Area of least damage to area of greatest damage
C. The right side of the structure to the left side
D. Area of greatest damage to area of least damage
B. Area of least damage to area of greatest damage
To determine fire cause a firefighter should look for:
select one: A. An ignition source and sequence B. The most charring and spoliation C. witnessses and suspicious individuals D. Evidence and debris
A. An ignition source and Sequence
Which type of fire cause is used when specific cause has not been determined?
Select one: A. Accidental B. Natural C. Incendiary D. Undetermined
D. Undetermined
Preserving evidence is the responsibility of:
Select one: A. fire officers and firefighters B. Fire investigators only C. police officers only D. Firefighters only
A. Fire officers and firefighters
What information should be noted about unusual odors during a fire investigation
Select one:
A. If the odor is more than 20 feet (6.1 m) outside of the structure
B. If the odor can be detected after coming out of the smoke
C. If the odor has an aroma of something similar to smoke
D. If the odor was not present during the fire
B. If the odor can be detected after coming out of the smoke
Control of all evidence must be maintained as part of the ___ required in legal cases.
select one: A. Chain of custody B. Collection of evidence C. Area of origin D. Fire Investigation
A. Chain of custody
Which of the following may appear on floors and indicate where fuel burned in that location?
Select one: A. Debris B. Charring C. Flashover D. Fire pattern
B. Charring
Signs of arson are determined when initial cause is indicated as:
select one: A. Structure of vehicle fire B. Incendiary or undetermined fire C. Exterior or interior fire D. Natural or accidental fire
B. Incendairy or undetermined fire
Which type of fire cause occurs when humans are not involved in the ignition process?
Selecrt one: A. Incendairy B. Natural C. Accidental D. Undetermined
B.Natural
Which of the following statements is MOST accurate about total structural fire loss?
select one:
A. Ventilation factors can be determined
B. Fire indicators will exist
C. It is difficult to locate the greatest damage
D. there is no need for a fire investigation
C. It id difficult to locate the greatest damage
Who may have to adjust security measures in place or implement additional measures?
Select one: A. Fire investigator B. fire officers and firefighters C. Police officer D. Police officers and firefighters
A. Fire inestigator
The area of origin is the location:
Select one: A. Where the fire began B. Wjere ignition took place C. With places where fire patterns can be determined D. With the most charring
A. Where the fire began
Firefighters should keep evidence ___ until investigator arrives.
Select one: A. Hidden B. untouched C. Clean D. Under lock and key
B. Untouched
A structure may be secured and turned over to the owner/occupant once a fire is out and:
Select one: A. Debris is cleared B. Investigation is completed C. Written documents are obtained D. Charred evidence is secured
B. Investigation is completed
What is the MOST obvious sign of fire cause?
Select one: A. Competent ignition source B. Large amount of debris C. Considerable amount of charring D. Consistent fire pattern
A. Competent ignition source
The perimeter of a structure fire may be expanded to encompass the area surrounding the building and:
Select one: A. Where odors are most prominent B. Any potential evidence that is located outside C. The farthest piece of debris found D. Most of the inside of the structure
B. Any potential evidence that is located outside
Air bags in a vehicle fire should be:
select one: A. Inoperable before beginning interior survey B. Purposely deployed for testing C. Deployed while conducting a survey D. Not handled to preserve evidence
A. Inoperable before begining interior survey
Which of the following is a potential source of contamination during evidence preservation?
Select one:
A. Clearing out loose debris
B. Charred documents that are unreadable
C. smoking materials that have been dropped
D. Damaged equipment while putting out the fire
C. smoking materials that have been dropped
Which of the following occurs when movement, change, or alteration of evidence prevents obtaining value?
Select one: A. Detoxification B. Alteration C. Spoliation D. Limitation
C. Spoliation
Which of the following is an indicator of fire cause?
Select one: A. Extinguisher B. Smoke C. Fuel source D. Water supply
C. Fuel source
Which of the following signs of arson may be used to allow fire spread?
Select one: A. Unusual odors B. Structural alterations C. Fire patterns D. Trailers
B. Structural alterations
Which of the following should a firefighter know when dealing with ground cover fires?
Select one: A. Topography B. Time of day C. Number of people involved D. Manmade barriers
A. Topography
Which of the following may have an effect on the natural path of fire spread?
Select one: A. Wind dircection and velocity B. Burglary tools C. Containers or cans D. Time of arrival and extent of fire
A. Wind Dircention and velocity
