Term
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Definition
| A heat induced development of a compartment fire. |
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Term
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Definition
| Can be accelerated through added ventilation. |
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Term
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Definition
| A ventilation induced ingnition of fire gases. |
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Term
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Definition
| An ignition of fire gas and pyrolyzates. |
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Term
- Flashover - backdraft - Fire gas ignition |
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Definition
| What are three basic types of rapid fire phenomena? |
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Term
| Signs from smoke conditions indicating an impending rapid fire event |
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Definition
- High velocity
- A sudden change in colour, particularlly darkening
- A sudden sinking of the smoke layer
- Pulsing smoke layer |
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Term
| Signs from flames of an impending rapid fire event |
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Definition
- Blue flames seen at the fire's base, in the overhead, or at exit points.
- Yellow or orange flames seen in the overhead. |
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Term
| Compartment conditions indicating an impending rapid fire event |
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Definition
- A sudden change in heat conditions - Heavily smoke stained or cracked window glass - Doors being forced open by air rushing in. |
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Term
| Fire is suspected behind a door |
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Definition
| Apply 3D bursts of water fog in a controlled manner through a 3-4" opening when __________. |
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Term
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Definition
| Serves to assist in neutralizing heated gases and smoke before opening a door and introducing fresh air to a fire. |
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Term
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Definition
| Venting low grade windows, or opening basement access doors when fighting a basement fire may __________. |
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Term
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Definition
| Venting ______ where firefighters are advancing on a basement fire puts them in great danger of a rapid fire event. |
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Term
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Definition
| __________ or buldings with large open-plan floor areas often disguise the amount of smoke and heat present. |
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Term
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Definition
| These can be used, if available, on high ceiling buildings to check the void for advancement of the fire. |
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Term
| Indicator of impending rapid fire event |
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Definition
| Copious amounts of white smoke. |
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Term
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Definition
| ________ can travel away from the fire source and ________ without warning. |
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Term
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Definition
| _________ can cause smoke pressure to build by pushing smoke and gases back into the building. |
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Term
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Definition
| Rapid increase in heat and flame size when a window suddenly fails in the fire compartment. Oftem seen in high rise buildings. |
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Term
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Definition
| An attack should be made with the wind _______ whenever possible. |
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Term
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Definition
| Wind can cause a ________ in stairwells, causing windows to be sucked in or blown outwards shortly after entry. |
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