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 | Take the Quiz

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 are some signs and symptoms of flashover?

Rapid increase in temperature

Thick black smoke

Crackling sounds

Flames shooting out of windows

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 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?

How does fire spread externally?

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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