Which is the best fire extinguisher for fires involving electrical equipment and inflammable materials like petrol?

Academic Chemistry NCERT Class 8

Carbon dioxide does not support combustion and hence is considered as the best fire extinguisher for fires involving electrical equipment and inflammable materials like petrol.

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Updated on: 10-Oct-2022

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Fire Extinguisher
Which of the following statement is not correct about carbon dioxide acting as a fire extinguisher for electrical fires?it is heavier than airit is lighter than airit is not combustionit does not support combustion
What are the three essential requirements to produce fire? How fire extinguisher is useful for controlling the fire?
Write True/False against the following statements and also correct the false statement.(a) A physical process in which a substance reacts with oxygen to give off heat is called combustion.(b) Water is the best extinguisher for fires involving electrical equipment.(c) Alcohol, CNG and LPG are inflammable substances.(d) Increased concentration of nitrogen in air is believed to cause global warming.(e) Greater the calorific value, better is the fuel.(f) Middle zone is the hottest zone of a flame.(g) The substances which vaporise during burning, give flame.
Name the most common fire extinguisher.
Give reasons.Water is not used to control fires involving electrical equipment.LPG is a better domestic fuel than wood.Paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not.
How is fire extinguished at airports and petrol pumps?
How does the foam type fire extinguisher work?
Name the form of polyester which is replacing materials like glass and used for making bottles and jars.
How is the fire produced by burning oil (or petrol) extinguished?
What does a soda-acid type fire extinguisher contain? How does it work? Explain the working of acid fire extinguisher with the help of labeled diagram.
Why water is not always used for extinguishing fire caused due to electrical faults?
If a person’s clothes catch fire, the best way to extinguish the fire is to(a) throw water on the clothes(b) use fire extinguisher(c) cover the person with a woolen blanket(d) cover the person with a polythene sheet
Which is the best saving plan for women?
Which is the Best GUI Software for Python?

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