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WorksheetsFire Behavior/Extinguisher
Total questions: 20
Worksheet time: 23mins
Is the result of a chemical reaction that results in heat or flame.
Fire
Ignition
Ash
Hydrogen
A class 'C' fire can be additionally dangerous because it involves...?
low level of hydrogen
electricity
combustible liquids
inserts
What stage of fire development occurs when all the combustible materials in a compartment are burning?
Incipient
Growth
Fully Developed
Decay
In what stage is fire development largely dependent on the characteristics and configuration of the fuel involved?
Incipient
Growth
Fully Developed
Decay
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
Typically, how long does an extinguisher last for
0-15 seconds
15-30 seconds
30-45 seconds
45+ seconds
The guideline for understanding the necessary ingredients for a fire is what?
The Fire Square
The Fire Triangle
The Circle of Fire
The Triangle of Fire
A class B fire is composed mainly composed of...
Wood, Paper, Trash
Combustible Metals
Electrical
Flammable Liquids
With the PASS method, What does the P stand for?
Point the nozzle
Port the tube
Pick up the extinguisher
Pull the pin
With the PASS method, What does the A stand for?
Assess the fire
Aim the nozzle
Accelerate toward fire
Access the extinguisher
Where should you aim the fire extinguisher while trying to put out a fire?
Base of fire
Highest flames
From top to bottom
Whatever is not burning to keep it from burning
What is the ignition phase of fire spread?
Initial stage where the fire is started by a heat source igniting a combustible material
Phase where the fire is controlled by firefighters
Initial stage where the fire is caused by strong winds
Stage where the fire is completely extinguished
What is the method of choice for extinguishing most Class B fires?
Excluding the oxygen
Cooling the fuel
Interrupting the chemical chain reaction
Dispersing the vapors
Fires involving combustible cooking media, such as oils and grease, are considered Class _____.
A) E
B) F
C) G
D) K
a
b
c
d
