Question

During gas welding of copper sheets a neutral flame was used, consuming 8 litres of acetylene. But the weld was found to be defective. So it was rewelded using an oxidizing flame. The likely consumption of oxygen in litres will be

• A. 8
• B. 16
• C. 6
• D. 10

Answer 1

The correct option is D 10

In oxidizing flame oxygen content is richer. For 8 litre consumption of acetylene consumption is likely to be 10 litres.