NEW
Font size
WorksheetsChapter 5: Fire Behavior LT 08.07, 08.08, 08.09
Total questions: 14
Worksheet time: 10mins
Which of the following fire development factors affects heat release rate?
Fuel type
Ventilation
Compartment volume and ceiling height
Availability and location of additional fuel
What fire development factor is based on considering how the volume of air will impact radiated heat in a fire?
Fuel type
Ambient conditions
Compartment volume and ceiling height
Availability and location of additional fuel
In what stage is fire development largely dependent on the characteristics and configuration of the fuel involved?
Incipient
Growth
Fully Developed
Decay
Which of the following is defined as the tendency of gases to form into layers according to temperature?
Type of fuel
Thermal layering
Location of ignition
Location of fuel package
The neutral plane in the growth stage is the:
beginning of rapid transition layers.
point where thermal layering begins.
opening in the hot and cool layers.
interface of hot and cool layers at an opening.
What type of rapid fire development happens when all the combustible materials and gases in a compartment ignite almost simultaneously?
Backdraft
Flashover
Combustion
Smoke explosion
Which of the following is a heat indicator of a possible flashover?
Darkening smoke
Darkened windows
Bi-directional movement in smoke
High velocity and turbulent air flow
The ignition of unburned fire gases at the top of the compartment is known as:
rollover.
flashover.
combustion.
smoke explosion.
Which of the following is a heat indicator for a possible backdraft?
Smoke stained windows
Turbulent smoke discharge
Fire confined to a void space
Contents with high heat release rate
What type of rapid fire development occurs as unburned fuel gases contact an ignition source?
Rollover
Backdraft
Combustion
Smoke explosion
What is the most common method used in fire fighting operations?
Fuel removal
Oxygen exclusion
Temperature reduction
Chemical flame inhibition
Water is converted to steam at:
190oF (88 oC).
212oF (100oC).
230oF (110 oC).
300oF (149 oC).
What method of fire suppression is the simplest?
Fuel removal
Oxygen exclusion
Temperature reduction
Chemical flame inhibition
What fire-suppression method does not work if fuel is self-oxidixing?
Fuel removal
Oxygen exclusion
Temperature reduction
Chemical flame inhibition
