IFSTA 6th Edition Chapter 5 Exam Questions With Solved Solution
What type of reaction releases energy in the form of heat and sometimes light?
A.Kinetic
B.Potential
C.Exothermic
D.Endothermic - ACCURATE ANSWER-C. Exothermic
The process of ignition causes pyrolysis in solid fuels and ___ in liquid fuels.
A.melting
B.freezing
C.vaporization
D.kinetic reaction - ACCURATE ANSWER-C. Vaporization
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 agent - ACCURATE ANSWER-A. Fuel, oxygen, heat
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 - ACCURATE ANSWER-C. An uninhibited chemical chain reaction What heat transfer method usually occurs through movement of hot smoke and fire gases?
A.Potential
B.Radiation
C.Conduction
D.Convection - ACCURATE ANSWER-D. Convection
What method of heat transfer can become the dominant mode as the fire grows in size?
A.Potential
B.Radiation
C.Conduction
D.Convection - ACCURATE ANSWER-B. Radiation
Which of the following terms is the total amount of energy released when a specific amount of fuel is burned?
A.Thermal energy
B.Chemical energy
C.Heat release rate
D.Heat of combustion - ACCURATE ANSWER-D. Heat of combustion
Liquids with a specific gravity of less than 1 will:
A.turn into vapor.
B.turn into solid.
C.float on the surface.
D.sink below the surface. - ACCURATE ANSWER-C. Float on the surface
Which of the following terms is the minimum temperature at which a liquid gives off sufficient vapors to ignite, but still not sustain combustion?
A.Fire point
B.Flash point
What type of reaction releases energy in the form of heat and sometimes light?
A.Kinetic
B.Potential
C.Exothermic
D.Endothermic - ACCURATE ANSWER-C. Exothermic
The process of ignition causes pyrolysis in solid fuels and ___ in liquid fuels.
A.melting
B.freezing
C.vaporization
D.kinetic reaction - ACCURATE ANSWER-C. Vaporization
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 agent - ACCURATE ANSWER-A. Fuel, oxygen, heat
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 - ACCURATE ANSWER-C. An uninhibited chemical chain reaction What heat transfer method usually occurs through movement of hot smoke and fire gases?
A.Potential
B.Radiation
C.Conduction
D.Convection - ACCURATE ANSWER-D. Convection
What method of heat transfer can become the dominant mode as the fire grows in size?
A.Potential
B.Radiation
C.Conduction
D.Convection - ACCURATE ANSWER-B. Radiation
Which of the following terms is the total amount of energy released when a specific amount of fuel is burned?
A.Thermal energy
B.Chemical energy
C.Heat release rate
D.Heat of combustion - ACCURATE ANSWER-D. Heat of combustion
Liquids with a specific gravity of less than 1 will:
A.turn into vapor.
B.turn into solid.
C.float on the surface.
D.sink below the surface. - ACCURATE ANSWER-C. Float on the surface
Which of the following terms is the minimum temperature at which a liquid gives off sufficient vapors to ignite, but still not sustain combustion?
A.Fire point
B.Flash point
