What is the percentage of normal atmospheric oxygen?
100
Solid, Liquid and Gas
What are the three states of matter?
100
The ease with which liquids give off vapors.
What is Volatility?
100
Matter and energy may be converted from one to another, but there is never any net loss of total mass-energy.
What is The Law of Conservation of Matter?
100
Form of energy characterized by vibration of molecules and capable of initiating and supporting chemical changes and changes of state.
What is Heat Energy?
200
>21%
What is an oxygen enriched atmosphere?
200
The chemical decomposition of a substance through the action of heat.
What is Pyrolysis?
200
The pressure exerted by the escaping vapor against the sides of its container.
What is Vapor Pressure?
200
H2O, CO2, N, CO and other gases.
What are Fire Gases?
200
Amount of energy needed to heat 1 pound of water 1 degree F.
What is a BTU?
300
15% - 19%
What is the minimum % of oxygen required for combustion?
300
The conversion of a liquid into the gaseous state through the action of heat.
What is Vaporization?
300
The temperature at which a liquid will convert to a gas at a vapor pressure equal to or greater than atmospheric pressure.
What is Boiling Point?
300
Visible luminous body of gases burning.
What is a Flame?
300
Amount of heat energy released over a period of time.
What is Heat Release Rate?
400
An explosion in which the flame front and pressure wave advance through material at less than the speed of sound.
What is deflagration?
400
**Daily Double**
The ration of weight of a given volume of a liquid compared to the weight of an equal volume of water.
What is Specific Gravity?
400
The minimum temperature to which a liquid fuel in air must be heated in order to produce vapors sufficient to form an ignitable mixture with the air near the surface.
What is Flash Point?
400
Responsible for spread of fire, burns, dehydration, heat exhaustion, injuries to the respiratory tract.
What is Heat?
400
Occurs when a material increases in temperature without the addition of external heat.
What is Self-Heating (Spontaneous Heating)?
500
An explosion in which the flame front and pressure wave advance through material at a rate that exceeds the speed of sound.
What is detonation?
500
The ability of a substance to dissolve in water.
What is solubility?
500
The temperature at which a liquid will produce vapors sufficient to support continuous combustion once ignited.