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OFD 01-07
Ch 4: Fire Behavior
25
Other
Not Applicable
02/08/2007

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Cards

Term
What are the three components of the Fire Triangle?
Definition
Heat, Oxygen, & Fuel
Term
What are the components of the fire Tetrahedron?
Definition
Heat, Oxygen, Fuel, & chemical chain reaction.
Term
What does BTU stand for?
Definition
British Thermal Unit
Term
What is the difference between organic and inorganic substances?
Definition
Organic are or once were alive.
Term
What kind of reaction is fire, Endothermic or Exothermic?
Definition
Exothermic
Term
Give examples of slow oxidation and rapid oxidation.
Definition
Rust and fire.
Term
__________ cannot be created or destroyed.
Definition
Matter
Term
List the four sources of heat.
Definition
Chemical, mechanical, electrical, & nuclear.
Term
What source of heat does fire fall under?
Definition
Chemical
Term
What is the PSI at sea level?
Definition
14.7
Term
If a gas has a Vapor Density of .8345, will it rise or sink?
Definition
Rise
Term
What does BLEVE stand for?
Definition
Boiling Liquid Expanding Vapor Explosion
Term
What are the three forms of matter?
Definition
Solid, Liquid, & Gas.
Term
Rubbing two sticks together produces what source of heat?
Definition
Mechanical
Term
Which part of the fire triangle needs to be removed to extinguish a fire?
Definition
Any of the three, Heat, Fuel, or Oxygen.
Term
What are the 4 stages that define characteristics of fire behavior?
Definition
1- Ignition Stage. 2- Growth Stage. 3- Fully Developed Stage. 4- Decay Stage
Term
What are the 3 modes of heat transfer?
Definition
Conduction, Convection, and Radiation
Term
What type of heat transfer occurs when hot objects delivers heat to another object or portion of itself through contact?
Definition
Conduction
Term
During what fire stage have all fuels been consumed, and fire begins to diminish?
Definition
Decay Stage
Term
Entire contents of a compartment ignite almost simultaneously during ______?
Definition
Flashover
Term
A fire burning in a closed compartment has used all the available oxygen in the compartment, slowing the combustion process and the fire. If oxygen is re-introduced to the compartment, what will occur?
Definition
Backdraft
Term
Class A type fires are known as?
Definition
Oridinary Combustibles.
Term
If you respond to a fire that involves liquid, gasses or grease type fuels, what is the class of this fire?
Definition
Class B Fire
Term
When superheated gases in the thermal layering ignite causing fire to travel across the top of the compartment, this is known as a ____?
Definition
Rollover
Term
What occurs when the gases produced by fire stratify into layers based on their temperatures?
Definition
Thermal Layering
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