Principles of Foam Fire Fighting (1st Edition)
Chapter 1 Definitions Test (#2)
21 questions

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1) Fires involving combustible metals.


2) The ratio of the surface area of a fuel in relation to the mass of the fuel.


3) Phase of combustion when the level of oxygen in a confined space is below that needed for flaming combustion and is characterized by glowing embers, high heat at all levels of the room, and heavy smoke and fire gas production.


4) Transfer of heat by the movement of fluids such as air or water.


5) An acid that generally does not contain carbon and will not burn.


6) Weight of a given volume of gas or vapor compared to the weight of and equal volume of air at the same temperature and pressure.


7) The amount of heat required to raise one pound of water one degree Fahrenheit.


8) The process of emptying.


9) Weight of a substance compared to the weight of an equal volume of water at a given temperature.


10) Percentage of a substance in air that will burn once ignited.  Synonymous with Flammable Limit.


11) Passage from a liquid to a gaseous state.


12) Generally considered the phase of the fire where sufficient oxygen and fuel are available for fire growth and open burning to a point where total involvement is possible.  Synonymous with Steady-State Phase.


13) Chemical reaction in which oxygen combines with other elements.


14) Model of the four elements required to have a fire in which the four sides represent fuel, heat, oxygen, and chemical chain reaction.


15) Inability to be compressed into a smaller space.


16) Chemical decomposition caused by heat that generally results in the lowered ignition temperature of a material.


17) Weight per unit volume of a substance which is obtained by dividing the weight by volume.


18) Degree to which a solid, liquid, or gas dissolves in a solvent.


19) Extinguishing agent formed by mixing foam concentrate with water and aerating the solution for expansion.  Also known as finished foam.


20) Transfer of heat through heat waves (infrared).


21) Fires involving energized electrical equipment.


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