Question

why does covering with a thick cloth or woollen blanket put out fire ​

Answer 1

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A fire need three things—a heat source, fuel, and oxygen. If one of those three is missing, fire will not burn. A small fire can be smothered with a blanket which will cut off the oxygen supply long enough to out it out. Shoveling dirt onto a small fire will also smother it.

Answer 2

Explanation:

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why does covering with a thick cloth or woollen blanket put out fire ?

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FIRE BLANKET:-

A fire blanket is a safety device designed to extinguish incipient (starting) fires. It consists of a sheet of a fire retardant material which is placed over a fire in order to smother it.

Fire blankets, along with fire extinguishers, are fire safety items that can be useful in case of a fire. These nonflammable blankets are helpful in temperatures up to 900 degrees[quantify]

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Asbestos in old blankets :-

Some older fire blankets were made of woven asbestos fibers and are not NFPA rated. This can pose a hazard during the decommissioning of old equipment.[citation needed]