IFSTA 7th. Edition Ch. 20 Fire Origin and Cause Determination questions well answered graded A+

IFSTA 7th. Edition Ch. 20 Fire Origin and Cause Determination First arriving Firefighters are in the best position to observe any conditions that may indicate an incendiary fire. Fire-arriving Firefighters should make mental notes of: - correct answer Indications of unusual fire behavior or more than one point of origin. Fire Investigators - correct answer Conduct detailed investigation and analysis beyond initial determination of the fire origin and cause. Area of Origin Assessment - correct answer Until air monitoring indicates that it is safe, always assume that potential lethal concentrations of unburned gases such as carbon monoxide (CO) and hydrogen cyanide (HCN) are present and wear PPE. Structure Fires - correct answer First, examine the exterior and then the interior of the structure. Ignition Sequence - correct answer Must be present in order to determine fire cause. Which type of fire cause occurs when humans are not involved in the ignition process? - correct answer Natural Preservation evidence is the responsibility of: - correct answer All Fire Officers and Firefighters at the scene. A secured fire scene has: - correct answer Recognizable perimeter and someone to maintain the perimeter. Why is it important to determine the cause of fire? - correct answer It is to help prevent similar fires to happen in the future.