Flammable vapour mixes with Oxygen and is ignited by an ignition source

The flame produces more heat and releases a cocktail of gases in the form of smoke

The rate of spread of the fire depends on the rate at which vaporized fuel mixes with Oxygen

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What are the conditions for a fire to occur?

What is the fourth element created upon ignition of heat, fuel, and Oxygen?

What are the sources of heat and ignition?

Cause clothing to catch alight and melt synthetics

Increase the spread of the fire by preheating objects

Until one of the four elements (heat, fuel, Oxygen, Chemical Chain Reaction) is removed

What are the different classes of fires based on?

Burn more quickly because of their greater surface area

Burn more slowly because of their greater surface area

What is the atmospheric level of oxygen needed for a fire to be extinguished?

What is the flash point of LPG / Propane?

Higher or equal to the ignition point temperature

Lower or equal to the flash point temperature

Higher or equal to the flash point temperature

Bursting into flames with an external ignition source

Bursting into flames without an external ignition source

Bursting into flames with a small flame applied

The ease with which a substance will ignite

The color of the flames when a substance burns

The amount of heat released from a fuel when it burns

The temperature that a fuel releases when burning

The density of a vapor in relation to that of hydrogen

What does the burning speed of a fuel refer to?

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