Question

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

Answer 1

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 flameincreases. ... Otherwise the goldsmith blows the outermost, hotter zone of theflame on the jewellery.

Answer 2

because to increase a temperature of fuel and for complete combustion