Why does a goldsmith blow air into the kerosene lamp flame with a blow-pipe?

A goldsmith blows air into the kerosene lamp flame with a blowpipe so that complete combustion of fuel takes place and the temperature of the flame increases. He blows the outermost zone of a flame with a metallic blowpipe for melting gold and silver because this is the hottest part of the flame.

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Updated on: 10-Oct-2022

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