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WorksheetsFire Behavior
Total questions: 10
Worksheet time: 5mins
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
