Chapter 2 "Sudden Unexpected Events" Flashcards
A firefighters duty is to respond to ________
emergency calls of others.
FF’s who get in trouble are not used to?
Calling for help for themselves.
The need for immediate FF rescues normally comes from?
Sudden, unforeseen events
The awareness of a _______ ________ can turn a well managed fireground into sudden chaos.
Missing Firefighter
How fast can a flashover completely engulf an entry team in a room or other confined space?
Seconds
Flashover occurs?
When all combustibles in the area reach their ignition temperatures and ignite simultaneously
What dictates whether heavy fire conditions continue unabated or subside following flashover?
The amount of combustible materials.
What may be the only way to save lives of personnel in the flashover area?
Quickly extending hoselines.
Backdraft is also known as?
“Smoke Explosion”
Backdraft is more likely to occur in?
Events with a delayed alarm
Weather Tight or Highly Efficient Buildings
Types of windows that may increase backdraft possibility?
Double Pane or Thermal Windows
Rapid Fire Increase results often from?
Flashover
Backdraft
Hazardous Materials (FL and FG)
Explosions should be anticipated at?
Locations where Haz-Mat is manufactured, stored, transported or used.
Frequently encountered Haz-Mats at incidents are?
Gasoline
Propane
Natural Gas
Terroristic Attacks are especially dangerous to FF’s due to?
Secondary Devices
A collapse is likely to jeopardize how many FF’s?
More than one.
2 basic collapse scenarios:
1 - Building (Wall/Ceiling) falls on top of the responder
2 - Responder falls one or more stories through collapsed decking (Floor/Roof)
In collapse scenarios a FF may be unable to?
Self-Rescue due to injuries
Despite physical fitness demands of the job what is causing FF fatalities?
Cardiac Emergencies
Heart Attacks cause ___ percent or more of firefighter on-duty deaths?
40%
Contributing factors to on scene heart attacks are:
Smoke
Toxic Gases
Stress
FD are more likely to manage crisis effectively when operating under a solid?
ICS Structure w/ RIT Plans
Rapid Intervention Personnel are tasked with?
Removing downed personnel from the hazard area to an area where emergency medical personnel can treat them.
The Following Scenarios can Cause Sudden Lost/Trapped/Unaccounted FF’s:
Flashover Backdraft Rapid Fire Increase Explosion Collapse Cardiac Emergencies