Question
Download Solution PDFFor deep underwater cutting, which of the following gas is used?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Comparison of different gas flame combinations and their uses
| Fuel Gas |
Supporter of combustion |
Application/uses |
| Acetylene | Oxygen |
To weld all ferrous and non-ferrous metals and their alloys; gas cutting brazing bronze welding; metal spraying and hard |
| Hydrogen | Oxygen | Only used for brazing, silver soldering and underwater gas cutting of steel. |
| Coal gas | Oxygen | Used for silver soldering underwater gas cutting of steel |
|
Liquid petroleum gas (LPG) |
Oxygen | Used for gas cutting steel heating purposes. (Has moisture and carbon effect in the flame.) |
| Acetylene | Air | used only for soldering, brazing, heating purposes, and lead burning. |
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