IFSTA Chapter 4 Fire Dynamics Exam Questions and Answers 100% Pass

IFSTA Chapter 4 Fire Dynamics Exam Questions and Answers 100% Pass 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. - Answer- C p.208 Which of the following terms refers to a substance remaining chemically the same, but changing in size, shape or appearance? A.Chemical shift B.Physical change C.Chemical reaction D.Parallel alteration - Answer- B p.208 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. - Answer- C p.208 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 - Answer- C p.209 The energy possessed by a moving object is called: A.kinetic energy. B.thermal energy. C.potential energy. D.mechanical energy. - Answer- A p.209 The potential chemical energy of fuel in fire behavior is converted to: A.sound energy. B.thermal energy. C.electrical energy. D.mechanical energy. - Answer- B p.209 What type of reaction absorbs energy as it occurs? A.Kinetic B.Potential C.Exothermic D.Endothermic - Answer- D p.210 What type of reaction releases energy in the form of heat and sometimes light? A.Kinetic B.Potential C.Exothermic D.Endothermic - Answer- C p.210 The process of ignition causes pyrolysis in solid fuels and ___ in liquid fuels. A.melting B.freezing C.vaporization D.kinetic reaction - Answer- C p.210 What is the most common form of ignition? A.Piloted B.Exothermic C.Endothermic D.Autoignition - Answer- A p.210 What mode of combustion produces a smoldering glow in a materialÕs surface? A.Kinetic B.Flaming C.Potential D.Nonflaming - Answer- D p.212 In what mode of combustion is a visible flame produced? A.Kinetic B.Flaming C.Potential D.Nonflaming - Answer- B p.212 What are the elements necessary to create fire in the model represented by the fire triangle? A.Fuel, oxygen, heat B.Heat, fuel, ignition C.Passive agents and heat D.Oxygen and passive agents - Answer- A p.212 Which of the following BEST describes what the fire tetrahedron represents? A.A transfer of sound energy B.The process of autoignition C.An uninhibited chemical chain reaction D.The relationship between fuel, oxygen, heat - Answer- C p.212