Chapter 4 Fire Science: Canvas 20 question quiz
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20 Terms
Which element is included in the fire tetrahedron that is not part of the fire triangle model?
Chemical chain reaction
In order to burn, fuel must be in a blank state.
Gaseous
Which statement about smoke is accurate?
Smoke has the potential to burn
Which is a measure of heat energy transfer rate?
Heat flux
Heat transfers from one body to another by three mechanisms, conduction, radiation, and blank.
Convection
A fuel's blank is the total amount of thermal energy released when a specific amount of that fuel burns.
Heat of combustion
Which type of fuel is difficult to extinguish using water as the only extinguishing agent?
Liquids that are less dense (lighter) than water
What is the primary consideration affecting how easily solid fuels ignite?
Surface-to-mass ratio
What is the primary oxidizing agent in most fires?
Oxygen in the air
Degree of concentrations of fuel vapor and air within which combustion can occur is the blank.
Flammable/explosive range
Which is an example of a self-sustaining chemical reaction?
Flaming combustion
What are the four stages of fire development?
Incipient, growth, fully developed, and decay
Which stage of fire occurs when all combustible materials in the compartment are burning at their peak heat release rate based on the available oxygen?
Fully developed
Development of a fire in the incipient stage depends largely upon the blank.
Characteristics and configuration of the fuel involved
What happens if there are no openings for lateral movement during the growth stage of a fire?
The hot gases released during combustion will fill the compartment, starting at the ceiling and filling down.
Most residential fires that develop beyond the incipient stage become the blank.
Ventilation limited
When a compartment fire is ventilation limited decay, blank can trigger flashover quickly.
Introduction of new oxygen
Which statement about flow paths and ventilation in a structure is accurate?
When firefighters make entry into a building, they establish new flow paths between the fire compartment and the exterior vents of the building.
Total quantity of combustible contents of a building, space, or fire area is referred to as the blank.
Fuel load
Slower fire development in large compartments is due to the blank.
Greater volume of air