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Closed Sawaal posted on September 07 at 09:24pm - Closed
 
ahalya
ahalya
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which gas is used in welding machines?

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  Answers Total Answers: 2   Best Answer: pending Expert's Answers: 0
raj113
raj113

A common propane/air flame burns at about 2,000 °C.
A propane/oxygen flame burns at about 2,500 °C and
An acetylene/oxyge n flame burns at about 3,500 °C
Pure oxygen, instead of air (20% oxygen/80% nitrogen), is used to increase the flame temperature to allow localized melting of the workpiece material (e.g. steel) in a room environment

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This answer was added on September 10 at 04:26pm
presh489
presh489

Tungsten

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This answer was added on September 08 at 01:59pm
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