Fire Academy Week 2 Tests

Fire Academy Week 2 Tests Which of the following best describes how understanding the physical science of fire can help firefighters? A. It keeps radiant heat from igniting fuel B. It keeps flaming combustion from beginning C. It translates into practical knowledge of fire behavior D. It helps in stopping rapid fire behavior from developing - C When a substance changes from one type of matter to another it has had a: A. Chemical shift B. Physical change C. Chemical reaction D. Physical alteration - C Which of the following represents the amount of energy that an object can release in the future? A. Kinetic B. Thermal C. Potential D. Mechanical - C The energy possessed by a moving object is called: A. Kinetic energy B. Thermal energy C. Potential energy D. Mechanical energy - A The process of ignition causes pyrolysis in solid fuels and ___ in liquid fuels. (210) A. melting B. freezing C. vaporization D. kinetic reaction - C What is the most common form of ignition? A. Piloted B. Exothermic C. Endothermic D. Auto ignition - Piloted Which of the following best describes what the fire tetrahedron represents? A. A transfer of sound energy B. The process of auto ignition C. The uninhibited chemical chain reaction D. The relationship between fuel, oxygen, heat - C What type of combustion occurs when burning is localized on or near a fuel's surface? - A. Flaming B. Exothermic C. No flaming D. Endothermic What product of combustion is the most common product in structure fires? - A. Toxic smoke B. Thermal energy C. Hydrogen cyanide D. Carbon monoxide Which of the following best describes kinetic energy transfer? A. It does not move at all B. It moves from one substance to another, no matter what the temperature C. It moves from low-temperature to high temperature D. It moves from high-temperature to low temperature substances - D What source of thermal energy is the most common source of heat in combustion reactions? A. Radiant energy B. Electrical energy C. Chemical energy D. Mechanical energy - C. Chemical energy