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12 Questions

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Chemical Combustion and Fire

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Questions and Answers

What is the byproduct of the combustion reaction in a fire?

CO₂ + O₂ + cold

H₂O + O₂ + heat

CO₂ + H₂O + heat (correct)

CO₂ + H₂O + cold

What is the minimum temperature required for a fire to start?

Ignition temperature (correct)

Activation energy

Pyrolysis temperature

Combustion temperature

What happens when carbon monoxide is inhaled?

It increases the heart rate

It has no effect on the body

It replaces oxygen in the hemoglobin of red blood cells (correct)

It helps to increase oxygen in the blood

What type of fire is most dangerous?

Incomplete combustion Signup and view all the answers

What is the final stage of a fire?

Fully Developed Fire Signup and view all the answers

What is the term for the solid fuel converting to gas under the ignition temperature?

Pyrolysis Signup and view all the answers

What is the longest stage of a fire?

Decay Signup and view all the answers

What should you do if your clothes are on fire?

STOP, DROP, AND ROLL! Signup and view all the answers

What is the purpose of a fire extinguisher?

To introduce substances to hinder combustion Signup and view all the answers

What is the correct procedure to follow when using a fire extinguisher?

Pull the pin, aim at the base of the fire, and squeeze the lever Signup and view all the answers

What type of fire extinguisher is used for Type A and K fires?

Wet Chemical Signup and view all the answers

Why should fire exits be easily accessible?

So they can be used for emergency exits Signup and view all the answers