The flashcards below were created by user
jmliger
on FreezingBlue Flashcards.
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Vaporization
The process in which liquids are converted to a gas or vapor.
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Best way to extinguish class B liquid fires.
Coating the liquid with an agent(foam) so that the liquid vapors cannot escape and mix with air.
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Vapor pressure in a closed container
When liquids are held in a closed vessel that is being heated, the liquid inside will eventually boil.
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BLEVE
The explosive release of the overcome of pressure against the container holding the flammable liquid.
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VTR
Violent tank rupture which occurs with nonflammable materials.
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Dangers of a BLEVE
- Fireball can engulf responders and exposures
- Metal parts of the tank can fly considerable distance surrounding area nad be ignited
- The shock wave, air blast, or flying metal parts created by a BLEVE can collapse buildings or move responders and equipment
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Fire flow requirement
The amount of water required for putting out the fire.
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Static pressure
The pressure in the system with no hydrants or water flowing
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Residual pressure
Pressure in a system after water has begun flowing
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How often to test hose
prior to being placed in use and retested annually during its lifetime. Also should be tested after being damaged and after repairs have been made.
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Hose Testing
A destructive process that identifies weak hose by causing it to burst
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