Goldsmith blow the flame on gold or silver blocks from a distance, with a blow pipe. Why?
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A goldsmith blows air into the kerosene lamp flame with a blow pipe so that complete combustion of fuel takes place and the temperature of the flame increases. The goldsmith requires a hotter flame to make jewellery. Otherwise the goldsmith blows the outermost, hotter zone of the flame on the jewellery.
A goldsmith blows air into the kerosene lamp flame with a blow pipe so that complete combustion of fuel takes place and the temperature of the flame increases. The goldsmith requires a hotter flame to make jewellery. Otherwise the goldsmith blows the outermost, hotter zone of the flame on the jewellery.
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Goldsmiths blow the outermost zone of a flame with a metallic blow pipe for melting gold and silver. ... The melting point of gold and silver is very high therfore goldsmiths need maximum temperature. Hence goldsmith use outermost part of the flame because it is the hottest part of flame.
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