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27 Cards in this Set
- Front
- Back
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Understanding the physical science of fire can help firefighters |
It translates into practical knowledge of fire behavior |
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What source of thermal energy is the most common source of heat in combustion reactions? |
Chemical energy |
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Heat release rate is measured in... |
Kilowatts |
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What is the impact of higher oxygen concentration on combustion? |
Materials burn more intensely |
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Public safety answering point is a.... |
Telecommunicationd system |
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The minimum requierments for receiving processing and dispatching emergency responders is NFPA _ _ _ _? |
NFPA 1221 |
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What type of general knowledge is requierd for internal communications? |
How a radio system works |
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How can you avoid ambient noise? |
Moving out of the wind |
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What type of rope is intended for SELF rescue situations? |
Escape rope |
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What type of rope may not elongate more than 10 percent under a load equal to 10 percent of its breaking strength? |
Static kernmantle rope |
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When drying a rope fire fighters should avoid what? |
Drying rope in direct sunlight |
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What type of webbing is rated for loads up to 600 pounds and fastens around the waist and thighs or under buttocks? |
Class 2 life safety webbing |
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Which construction type has walls floors and ceilings that must be able to resist fire for three to four hours? |
Type 1 |
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The use of prefabricated wood truss systems in type 4 construction creates ______? |
A large, open void between floors |
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What occupancy type contains multiple occupancy or use groups? |
Separated use |
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What type of hose transports water or other agents, at increased pressure, from a pump-eqquiped apparatus to a nozzle? |
Attack hose |
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What is used to describe hose size? |
Diameter |
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What type of lugs are found on modern couplings? |
Rocker lugs |
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What type of hose damage can char, melt, or weaken the outer jacket of the hose? |
Thermal damage |
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What is an example of chemical damage? |
Exposure to motor oil and gasoling |
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Simialar to a wye, but has an inlet and outlet of matching size combined with smaller outlets that take water from the main line? |
Water thief appliance |
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What is a natural freshwater aource that may be used for water supply? |
River |
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What is a gravity system? |
Moving water that delivers water from the source or treatment plant to the distribution system without pumping equipment |
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Fire hydrant markings can be used to designate _____? |
Flow capacity |
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What are the two types of water supplys? |
Private and public |
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What are the 3 base hose lays? |
1. Forward lay 2.reverse lay 3.combination or split lay |
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Air supply on scbas last for how long? |
30 min- 60 min |
