Podcast
Questions and Answers
What is the added advantage of using carbon dioxide (CO2) as a fire extinguisher?
What is the added advantage of using carbon dioxide (CO2) as a fire extinguisher?
- It cools down the fuel and forms a blanket around the fire. (correct)
- It increases the oxygen supply to the fuel.
- It provides additional fuel for the fire.
- It causes rapid combustion.
In what form is LPG stored in cylinders?
In what form is LPG stored in cylinders?
- As a solid
- As a liquid (correct)
- As plasma
- As a gas
What happens when carbon dioxide (CO2) is released from a cylinder near a fire?
What happens when carbon dioxide (CO2) is released from a cylinder near a fire?
- It extinguishes the fire by providing additional oxygen.
- It increases the temperature of the fuel.
- It causes rapid combustion.
- It expands in volume, cools down, and forms a blanket around the fire. (correct)
What is the type of combustion called when a material suddenly bursts into flames without any apparent cause?
What is the type of combustion called when a material suddenly bursts into flames without any apparent cause?
What are the three essential requirements for producing fire?
What are the three essential requirements for producing fire?
Which statement is true about the role of air in the combustion process?
Which statement is true about the role of air in the combustion process?
Why is water not suitable for all types of fires according to the text?
Why is water not suitable for all types of fires according to the text?
What is carbon dioxide's role as a fire extinguisher?
What is carbon dioxide's role as a fire extinguisher?
What prevents the paper cup from burning when heating water in it?
What prevents the paper cup from burning when heating water in it?
What happens when a fire brigade pours water on a fire?
What happens when a fire brigade pours water on a fire?
Why are substances like petrol, alcohol, and LPG considered inflammable?
Why are substances like petrol, alcohol, and LPG considered inflammable?
How do water vapors help in extinguishing a fire?
How do water vapors help in extinguishing a fire?
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