IFE Level 3 Certificate in Fire Science, Operations, Fire Safety and Management Unit 2: Fire Operations 2. Firefighting – Principles and Considerations Assessment Criteria Knowledge, Understanding and Skills 2.1 Explain the phases of fire growth and the potential hazards • Fire Load • Phases of fire growth: o Incipient phase o Growth phase o Fully developed phase o Decay phase • Flashover – including signs and symptoms • Backdraft – including signs and symptoms • Fire gas ignitions – including signs and symptoms • Ways in which fire can spread detected and undetected both internally and externally

What is the term for the phase of fire growth where the fire is just starting and is still small?
Incipient phase
Growth phase
Fully developed phase
Decay phase
Which phase of fire growth is characterized by rapid flame spread and increasing heat release?
Incipient phase
Growth phase
Fully developed phase
Decay phase
What is the term for the phase of fire growth where the fire has reached its maximum size and intensity?
Incipient phase
Growth phase
Fully developed phase
Decay phase
During which phase of fire growth does the fire start to diminish in size and intensity?
Incipient phase
Growth phase
Fully developed phase
Decay phase
What is flashover in relation to a fire?
What are some signs and symptoms of flashover?
Rapid increase in temperature
Thick black smoke
Crackling sounds
Flames shooting out of windows
What is backdraft in relation to a fire?
What are some signs and symptoms of backdraft?
Smoke suddenly turning black
Windows and doors being blown outwards
Loud popping or cracking noises
Decrease in temperature
What are fire gas ignitions?
What are some signs and symptoms of fire gas ignitions?
Sudden bursts of flames
Pungent odor
Rapid spread of fire
Hissing or roaring sounds
How can fire spread be detected internally?
Smoke alarms
Heat detectors
Sprinkler systems
Fire extinguishers
How can fire spread be detected externally?
Visual observation
Fire watch patrols
Thermal imaging cameras
Fire investigation reports
What is the term for the total amount of combustible materials in a given area?
Fire load
Combustion capacity
Ignition potential
Fuel concentration
Which phase of fire growth poses the greatest risk to firefighters?
Incipient phase
Growth phase
Fully developed phase
Decay phase
How does fire spread internally?
Through open doors and windows
Through ventilation systems
Through electrical wiring
Through underground tunnels
Through water pipes
How does fire spread externally?
Through direct contact with other buildings
Through vegetation
Through underground tunnels
Through water pipes
Through air currents
What is the correct sequence of the phases of fire growth?
Incipient phase, Growth phase, Fully developed phase, Decay phase
Growth phase, Incipient phase, Decay phase, Fully developed phase
Decay phase, Incipient phase, Growth phase, Fully developed phase
Fully developed phase, Incipient phase, Decay phase, Growth phase
What is the primary purpose of a fire extinguisher?
To cool down the fire
To remove oxygen from the fire
To suppress the flames
To create a barrier between the fire and fuel
What is the main factor that determines the spread of fire?
Wind speed
Temperature
Fuel availability
Oxygen supply
How does the decay phase of fire differ from the fully developed phase?
Decreased flame size and intensity
Reduced heat release
Slower rate of spread
Increased smoke production
What is the term for the process of fire spreading from one building to another?
Fire propagation
Fire extension
Fire transmission
Fire spread
How can flashover be prevented?
Early detection and suppression of the fire
Proper ventilation to remove heat and smoke
Use of fire-resistant building materials
Regular maintenance of electrical systems
What is the term for the process of fire spreading through the air from one area to another?
Fire convection
Fire radiation
Fire conduction
Fire plume
How does fire spread through convection?
Transfer of heat through direct contact
Transfer of heat through radiation
Transfer of heat through conduction
Transfer of heat through hot gases rising
What is the term for the process of fire spreading through direct contact with combustible materials?
Fire convection
Fire radiation
Fire conduction
Fire plume
How does fire spread through radiation?
Transfer of heat through direct contact
Transfer of heat through convection
Transfer of heat through conduction
Transfer of heat through electromagnetic waves
What is the term for the process of fire spreading through direct contact between objects?
Fire convection
Fire radiation
Fire conduction
Fire plume
How does fire spread through conduction?
Transfer of heat through direct contact
Transfer of heat through radiation
Transfer of heat through convection
Transfer of heat through solid materials
What is the term for the process of fire spreading through the release of flammable gases?
Fire convection
Fire radiation
Fire conduction
Fire gas ignition
How does fire spread through gas ignition?
Transfer of heat through direct contact
Transfer of heat through radiation
Transfer of heat through convection
Ignition of flammable gases
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