WorksheetsChapter 5: Fire Behavior LT 08.02, 08.03, 08.04. 08.05
Total questions: 25
Worksheet time: 13mins
Which of the following BEST describes kinetic energy transfer?
It does not move at all.
It moves from one substance to another, no matter what the temperature.
It moves from low-temperature to high-temperature substances.
It moves from high-temperature to low-temperature substances.
What source of thermal energy is the most common source of heat in combustion reactions?
Radiant energy
Electrical energy
Chemical energy
Mechanical energy
What method of heat transfer occurs when a material is heated as the result of direct contact with a heat source?
Potential
Radiation
Conduction
Convection
What heat transfer method usually occurs through movement of hot smoke and fire gases?
Potential
Radiation
Conduction
Convection
Which of the following BEST describes the influence of exposed surfaces on radiant heat?
Creating a vacuum will stop radiant heat.
Materials that reflect radiated energy help increase radiant heat.
Dark materials emit and absorb heat more effectively than light materials.
Temperature differences between the heat source and exposed surface have no impact.
Which type of fuel does not contain carbon?
Simple
Organic
Reactive
Inorganic
Which of the following terms is the total amount of energy released when a specific amount of fuel is burned?
Thermal energy
Chemical energy
Heat release rate
Heat of combustion
What type of fuel can be the most dangerous of all the types?
Solid
Liquid
Gaseous
Chemical
Liquids with a specific gravity of less than 1 will:
turn into vapor.
turn into solid.
float on the surface.
sink below 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?
Fire point
Flash point
Vapor point
Pressure point
Which of the following terms is used to refer to the process that can generate sufficient quantities of burnable vapors to ignite in the presence of a sufficient oxidizer?
Pyrolysis
Fire point
Flash point
Vapor pressure
What method of heat transfer occurs when a material is heated as the result of direct contact with a heat source?
Potential
Radiation
Conduction
Convection
What heat transfer method usually occurs through movement of hot smoke and fire gases?
Potential
Radiation
Conduction
Convection
Which of the following BEST describes the influence of exposed surfaces on radiant heat?
Creating a vacuum will stop radiant heat
Materials that reflect radiated energy help increase radiant heat.
Dark materials emit and absorb heat more effectively than light materials.
Temperature differences between the heat source and exposed surface have no impact.
Which type of fuel does not contain carbon?
Simple
Organic
Reactive
Inorganic
Which of the following terms is the total amount of energy released when a specific amount of fuel is burned?
Thermal energy
Chemical energy
Heat release rate
Heat of combustion
What type of fuel can be the most dangerous of all the types?
Solid
Liquid
Gaseous
Chemical
Liquids with a specific gravity of less than 1 will:
turn into vapor.
turn into solid.
float on the surface.
sink below the surface.
Liquids with a specific gravity of greater than 1 will:
turn into vapor.
turn into solid.
float on the surface.
sink below 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?
Fire point
Flash point
Vapor point
Pressure point
What term is used to describe the extent to which a substance will mix with water?
Solubility
Mixability
Volatility
Reactivity
Which of the following terms is used to refer to the process that can generate sufficient quantities of burnable vapors to ignite in the presence of a sufficient oxidizer?
Pyrolisis
Fire point
Flash point
Vapor pressure
Which of the following BEST describes the impact of higher oxygen concentration on combustion?
Materials burn more intensely.
Fires may be easier to extinguish.
Nonflaming combustion is extinguished.
Materials that do not burn at normal levels still do not burn.
What term defines the minimum concentration of fuel vapor and air that supports combustion?
Vaporization
Vapor pressure
Lower flammable limit
Upper flammable limit
Which of the following BEST describes the impact of an extinguishing agent when trying to extinguish flaming combustion?
It forms an unstable product.
It speeds the combustion reaction.
It interferes with the chemical reaction
It burns more oxygen in a short amount of time
