Fire Behavior

A Class 'A' fire is composed of_____fuels?

• Liquids

• Solids

• Gasses

• Metals

Fire is a...?

• Burning gas or vapor seen as a flickering light

• Sudden outburst of flame and heat as a result of fuel ignition

• a rapid chemical change that release heat. light and is accompanied by flame

Smoke contains the following components

• Nuclear, Chemicals and Mechanical sources of heat

• Zinc, Magnesium, sulfur, copper and hydrogen

• Particles of carbon monoxide, carbon dioxide, sulfur dioxide and cyanide

• Cheshire cats, caterpillars and white rabbits

Fire has changed over time

• true

• false

• both

• neither

A class 'C' fire can be additionally dangerous because it involves...?

• low level of hydrogen

• electricity

• combustible liquids

• inserts

what are the 3 states of matter?

• solid, liquid, plasma

• liquids, solids, fuels

• fuels, vapors, solid

• liquids, solids, gases

Fire behavior is quite?

• simple

• easy

• complex

• predictable

The chemical symbols OH is found in many formulas. It is one molecule of?

• oxygen and hydrogen

• oxygen and halogen

• oxygen and helium

• oxygen and heat

Dry powder extinguishers _______ the chain reaction process

• convert

• speed up

• interrupt

• alter

Fire sprinklers do not react to smoke

• true

• false

• both, true and false