Question 23
HydrocarbonsWhich of the following flames is used by welders in the cutting of metals?
- A.acetylene flame
- B.butane gas flame
- C.oxy-acetylene flame
- D.kerosene flame
Show the answer and explanation
Answer: C (oxy-acetylene flame)
Explanation
Burning ethyne (acetylene) in pure oxygen gives a very hot flame used to cut and weld metals.