Term
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Definition
| a rapid oxidation producing heat, light, and products of combustion |
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Term
What are the three elements of the fire triangle?
(If you don't know this then you should stick the pike pole through your eye!!) |
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Definition
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Term
| What is the Fire Tertrahedron? |
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Definition
- Oxidizing Agent (oxygen)
- reducing agent (fuel)
- temperature
- CHEMICAL CHAIN REACTION
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Term
| A form of energy associated with molecular movement? |
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Definition
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Term
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Definition
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Term
| What is the British Thermal Unit? (BTU) |
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Definition
| amount of heat required to raise the temperature of one pound of water one degree fahrenheight at sea level. |
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Term
What are the 4 sources of heat? |
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Definition
- Chemical
- Electrical
- Mechanical
- Nuclear
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Term
| What are the 3 ways that heat is transfered? |
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Definition
- Conduction
- Radiation
- Convection
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Term
| Occurs when heat is transfered through a medium, usually by DIRECT contact. |
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Definition
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Term
| Occurs in a fire situation when heat is transfered along steel structural members? |
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Definition
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Term
| What three elements affect the speed and effciency of heat transfer in regards to conduction? |
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Definition
- Type of material
- intensity of the heat
- duration of the exposure
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Term
| The transfer of heat via electromagnetic waves? |
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Definition
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Term
True of false.
Radiant heat can pass through opaque objects or materials including glass and water? |
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Definition
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Term
| Considered a significant factor in the spread of fire within a structure and/or to exposed structures? |
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Definition
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Term
| Transfer of heat vias a liquid or gaseous medium? |
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Definition
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Term
| What can cause a fire to break out several floors above the point of origin? |
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Definition
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Term
| What is the most significant cause of fire spread within a structure? |
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Definition
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Term
| Any substance that will produce heat during combustion |
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Definition
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Term
| A fuel is also known as a ________? |
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Definition
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Term
| What three forms do fuels exist in? |
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Definition
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Term
| Fuels must first be __________ before it can be ignited. Solids and liquids do not burn they give off __________ which burn? |
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Definition
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Term
| What are the classes of fuels? |
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Definition
- Class A (ordinary combustibles)
- Class B (flammable liquids or gases)
- Class C (energized electrical equipment)
- Class D (combustible metal)
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Term
| What is the one characteristic that all fuels have in common? |
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Definition
| all have an ignition temperature |
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Term
| The minimum temperature that is required to cause self-sustained combustion, independent of a heat source. |
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Definition
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Term
| The slow combination of material with oxygen, resulting in the liberation of both products of combustion and heat energy. |
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Definition
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Term
What happens when heat is added to the oxidaiton process? |
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Definition
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Term
| Is oxygen a flammable gas? |
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Definition
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Term
| What percent of oxygen concentration intensifies the combustion process? |
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Definition
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Term
| What percent of oxygen concentration contributes to open burning with flame production? |
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Definition
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Term
| What precent of oxygen concentration contributes to smoldering with minimal flame production. |
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Definition
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Term
In what percent of aviable oxygen will combustion not occur? |
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Definition
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Term
| What is the OSHA legal limit requiring us to wear an SCBA? |
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Definition
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Term
| At what percent of oxygen does impairment of muscular coordination occur. |
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Definition
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Term
| At what percent oxygen does dizziness,headache, and fatigue occur? |
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Definition
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Term
| At what percent oxygen does unconsciouness occur? |
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Definition
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Term
| At what precent oxygen does death occur from respiratory failure? |
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Definition
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Term
| A self-sustaining series of chemcial activity in which the products of reaction contribute directly to the continuance is .... :) |
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Definition
| the chemical chain reaction |
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Term
| Combustion is dynamic process! What components must be present in sufficient quantities and in proper ratio in order to sustain combustion? |
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Definition
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