Chapter 5 Fire Behavior Practice Exam
Questions & Answers 2023/2024
Which state must a fuel be in for combustion to take place? - ANSWER-Vapor only (page 170)
What does the F stand for in LFL? - ANSWER-Flammable (page 180)
What danger is suggested by the observation of smoke puffing in and out of a structure? - ANSWER-The
presence of backdraft conditions (page 175)
What creates mechanical energy? - ANSWER-Friction (page 160)
How can rapid fire growth be prevented? - ANSWER-By cooling or removing the fuel (page 175)
What is one warning signal of possible backdraft conditions? - ANSWER-Smoke-stained glass (page 175)
What is another term for fire point? - ANSWER-Flame point (page 180)
What is the term for high-volume, high-velocity, turbulent, ultradense black smoke? - ANSWER-black fire
(page 183)
How are the terms flammability range and explosive limits related? - ANSWER-They are interchangeable
terms (page 180)
The three states of matter are solid, liquid and: - ANSWER-Gas (page 159)
What is the term for the transfer of heat to and through one solid to another? - ANSWER-Conduction
(page 164)
, ____ is the tendency of gases in an enclosed space to form in layers according to their temperature. -
ANSWER-Thermal layering (page 173)
Fires in today's modern structures will reach flashover: - ANSWER-Quicker than in older structures (page
177)
Which of the following toxic gases is often present in smoke? - ANSWER-Hydrogen cyanide (page 163)
As electricity flows through a wire, what relationship is there between the resistance in the wire and any
heat produced by the current? - ANSWER-The greater the resistance, the more heat is produced (page
160)
In which direction does thermal radiation from a fire travel? - ANSWER-In all directions (page 166)
Which of the following smoke colors would indicate a hot fire that has traveled some distance? -
ANSWER-Black (page 183)
What is the vapor density of air? - ANSWER-1 (page 180)
What is the term for a rapid chemical process that produces heat and light? - ANSWER-Combustion
(page 162)
The three basic elements required to create a fire include fuel, oxygen, and: - ANSWER-Heat (page 161)
Which class of fire includes ordinary combustibles such as wood and paper? - ANSWER-Class A (page
168)
Which type of heat transfer results from the flow of gases or fluid from hotter areas to cooler ones? -
ANSWER-Convection (page 165)
What is an endothermic reaction? - ANSWER-A chemical reaction that absorbs heat (page 160)
Questions & Answers 2023/2024
Which state must a fuel be in for combustion to take place? - ANSWER-Vapor only (page 170)
What does the F stand for in LFL? - ANSWER-Flammable (page 180)
What danger is suggested by the observation of smoke puffing in and out of a structure? - ANSWER-The
presence of backdraft conditions (page 175)
What creates mechanical energy? - ANSWER-Friction (page 160)
How can rapid fire growth be prevented? - ANSWER-By cooling or removing the fuel (page 175)
What is one warning signal of possible backdraft conditions? - ANSWER-Smoke-stained glass (page 175)
What is another term for fire point? - ANSWER-Flame point (page 180)
What is the term for high-volume, high-velocity, turbulent, ultradense black smoke? - ANSWER-black fire
(page 183)
How are the terms flammability range and explosive limits related? - ANSWER-They are interchangeable
terms (page 180)
The three states of matter are solid, liquid and: - ANSWER-Gas (page 159)
What is the term for the transfer of heat to and through one solid to another? - ANSWER-Conduction
(page 164)
, ____ is the tendency of gases in an enclosed space to form in layers according to their temperature. -
ANSWER-Thermal layering (page 173)
Fires in today's modern structures will reach flashover: - ANSWER-Quicker than in older structures (page
177)
Which of the following toxic gases is often present in smoke? - ANSWER-Hydrogen cyanide (page 163)
As electricity flows through a wire, what relationship is there between the resistance in the wire and any
heat produced by the current? - ANSWER-The greater the resistance, the more heat is produced (page
160)
In which direction does thermal radiation from a fire travel? - ANSWER-In all directions (page 166)
Which of the following smoke colors would indicate a hot fire that has traveled some distance? -
ANSWER-Black (page 183)
What is the vapor density of air? - ANSWER-1 (page 180)
What is the term for a rapid chemical process that produces heat and light? - ANSWER-Combustion
(page 162)
The three basic elements required to create a fire include fuel, oxygen, and: - ANSWER-Heat (page 161)
Which class of fire includes ordinary combustibles such as wood and paper? - ANSWER-Class A (page
168)
Which type of heat transfer results from the flow of gases or fluid from hotter areas to cooler ones? -
ANSWER-Convection (page 165)
What is an endothermic reaction? - ANSWER-A chemical reaction that absorbs heat (page 160)
