Fire Behavior
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Rapid Chemical reaction that gives off energy and products of combustion | Fire
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| Study of the physical world (chemistry and physics) | Physical science-
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| Capacity to perform work | Energy
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| Transformation of energy from one form to another | Work
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| Energy possessed by a moving object | Kinetic energy-
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| Amount of energy delivered over a given period of time | Power
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| The most common form of energy on earth | Heat
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| Indicator of heat and the measure of the warmth or coldness of an object | Temperature
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| The amount of heat required to raise the temperature of 1 gram of water 1 degree Celsius | A calorie-
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| The amount of heat required to raise the temperature of 1 pound of water 1 degree Fahrenheit | British thermal unit-
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| Relationship between calorie and joule | Mechanical equivalent of heat-
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| True or False--- 1 calorie equals 4.187 joules and a Btu equals 1,055 joules | True
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| Cause of most exposure fires | Radiation
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| 2 factors that changes the state of Matter | Temperature and Pressure-
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| Ratio of the mass of a given volume of a liquid compared with the mass of an equal volume of water | Specific gravity-
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| Density of gas or vapor in relation to air | Vapor density-
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| This law states that mass and energy are neither created or destroyed--even after converted from one to another | The Law of Conservation of Mass-Energy-
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| Transformation of matter from one state to another | Chemical reaction-
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| Formation of a chemical bond between oxygen and another element | Oxidation
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| 4 components of the Fire Tetrahedron | Oxygen (oxidizing agent) , fuel, heat, self-sustained chemical reaction-
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| Self-sustaining chemical reaction yielding energy | Combustion-
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| The fuel in a combustion reaction is known as | Reducing agent-
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| Chemical decomposition of a substance throuh the action of heat | Pyrolysis-
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| Fire Hazard Properties of Flammable Liquids, Gases, And Volatile Solids--NFPA | NFPA 325-
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| Hazardous Chemicals Data--NFPA | NFPA 49-
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| Total amount (mass) of fuel in a compartment | Fuel load or fire load-
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| The most common source of heat in combustion reactions | Chemical heat energy-
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| Chemical heat energy that occurs when a material increases in temperature without the addition of external heat | Self-heating (spontaneous heating)
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| True or False--The rate at which most chemical reaction occurs does not double with each 18 F increase in the temperature of the reacting materials | False
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| When the amount of fuel available to burn is limited | Fuel controlled-
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| When the amount of oxygen available is limited | Ventilation controlled-
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| Amount of heat energy released over time in a fire | Heat release rate (HRR)-
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| Guide for Fire and Explosion Investigations--NFPA | NFPA 921-
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| Tendency of gases to form into layers according to temperature | Thermal layering (heat stratification and thermal balance)-
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| True or False-- Flameover is distinguished from flashover by its involvement of only the fire gases within a compartment | True
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| Products of combustion that cause central nervous system depression | Narcotic or asphyxiant gases-
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| Most common narcotic gases | Carbon monoxide (CO), hydrogen cyanide (HCN) and carbon dioxide (CO2)-
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| True or False-- Most ignitable liquids have a specific gravity of less than 1 | True
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| Addition of Class A foams sometimes referred to as | Wet water
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