Chapter One Fire Protection Systems Study Guide Graded A+

Water {Ans: _______ is the most effective suppression agent for Class A fires because it has the ability to absorb the heat and reduce the temperature below the material's ignition temperature.}Class C {Ans: ______ fires involve energized electrical equipment, so the choice of extinguishing agents must be appropriate to minimize potential danger to those involved in fighting the fire.}Underwriters Laboratories {Ans: In the 1900s, which of the following organizations developed a method of classifying or categorizing fires based on the extinguishing agent that was appropriate for the type of fire?}Class K {Ans: Which type of fire involves cooking appliances using combustible vegetable or animal oils and fats?}Class D {Ans: Which class of fire involves combustible metals and dusts that are generally extinguished using a dry powder extinguishing agent?}Smoldering/decay stage {Ans: When a fire begins to subside to the point at which the available fuel is exhausted or the oxygen level drops below 16 percent, it has reached which stage of fire?}Radiation {Ans: is the form of heat transfer that occurs through electromagnetic energy. One example of this process is the sun heating the earth through millions of miles of space.}Heavy, dense material