Fire Behavior Flashcards
Fire is controlled and extinguished by limiting or interrupting blank in the combustion is processed depicted by the fire tetrahedron model
A) all of the essential elements.
B) one or more of the essential elements.
C) three or more of the essential elements.
D) two or more of the essential elements.
B) one or more of the essential elements.
Which of the following tasks that an inspector is responsible for provides emergency fire cruise with the ability to disrupt combustion on elevated stories or in large facilities?
A) monitoring and regulating hazardous conditions.
B) verifying all occupants of evacuated the building.
C) checking the installation and maintenance of stand pipes and hose systems.
D) verifying proper placement and maintenance of fire extinguishers.
C) checking the installation and maintenance of stand pipes and hose systems.
Which of the following tasks that an inspector is responsible for enables building occupants the opportunity to suppress incipient fires?
A) monitoring and regulating hazardous conditions.
B) verifying all nearby buildings are free of radiant hazards.
C) verifying proper placement and maintenance of fire extinguishers.
D) checking the installation and maintenance of standpipes and hose systems.
C) verifying proper placement and maintenance of fire extinguishers.
Which of the following tasks that an inspector is responsible for helps. Reduce fire growth by keeping track of such items as fire load and interior finishes?
A) monitoring and regulating hazardous conditions.
B) verifying all nearby buildings are free of radiant hazards.
C) checking the installation and maintenance of stand pipes and hose systems
D) verifying proper placement and maintenance of fire extinguishers.
A) monitoring and regulating hazardous conditions.
Which of the following extinguishing method reduces the temperature of a fuel to a point where it does not produce sufficient vapor to burn?
A) fuel removal
B) oxygen exclusion
C) cooling with water.
D) chemical flame inhibition.
C) cooling with water.
Which is the most effective method available for extinguishing smoldering fires?
A) fuel removal
B) oxygen exclusion
C) cooling with water
D) chemical flame inhibition
C) cooling with water.
Which of the following statements about extinguishing with water is the most accurate?
A) flashpoint has no impact on the ability to extinguish by cooling.
B) solid fuels, and liquid fuels with high flashpoints can be extinguished by cooling.
C) regardless of flashpoint, solid fuels in liquid fueled, can be extinguished by cooling.
D) solid fuels and liquid, fueled with low flashpoints can be extinguished by cooling
B) solid fuels, and liquid fuels with high flashpoints can be extinguished by cooling.
When cooling with water, enough water must be applied to the burning fuel two:
A) create a barrier to oxygen.
B) allow heat to dissipate over the fuel.
C) completely cover the surface of the fuel.
D) absorb heat being generated by combustion.
D) absorb the heat being generated by combustion.
Cooling with water, can not sufficiently reduce vapor production to extinguish fires involving:
A) stacked class A materials.
B) more than one type of material.
C) low flashpoint, flammable, liquids, and gases.
D) hi flashpoint, flammable, liquids, and gases.
C) low flashpoint, flammable, liquids, and gases.
When water is used to control, burning gases, and reduce the temperature of hot products of combustion in the upper layer, this can:
A) reduce the potential for flashover.
B) increase the potential for flashover.
C) increase the pyrolysis process of combustion materials.
D) reduce the overall effectiveness of other extinguishing methods being used
A) reduce the potential for flashover.
When does water have its greatest effect?
A) when it creates a thin layer.
B) when it is vaporized into steam
C) when it is allowed to engulfed the fuel.
D) when it penetrates the burning fuel.
B) when it is vaporized into steam.
When water is converted to steam at 212°F it expands:
A) approximately 620 times.
B) approximately 1700 times.
C) exactly triple its original volume.
D) proportionately until it has released the majority of energy.
B) approximately 1,700 times.
Which of the following statements about fuel removal is most accurate?
A) it must be used in conjunction with oxygen exclusion.
B) it must be used in conjunction with chemical flame inhibition.
C) the method is best used in occupancies where combustibles are stored or displayed.
D) this method is not possible when buildings are constructed from combustible materials.
D) this method is not possible, when buildings are constructed from combustible materials.
Which method of extinguishment May involve isolating the fuel using fire-resistive construction?
A) fuel removal
B) oxygen exclusion
C) cooling with water
D) chemical flame inhibition
B) Oxygen exclusion
Which method of extinguishment involves flooding an area with an inert gas, such as carbon dioxide?
A) fuel removal
B) oxygen exclusion
C) cooling with water
D) chemical flame inhibition
B) oxygen exclusion
