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The pressure of acetylene in welding torch for oxy-acetylene welding is maintained at _________
Theoretical volume of oxygen required for complete combustion of 1 Nm3 of acetylene, in oxy-acetylene welding is __________ Nm3 .
While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.
Which of the following statement(s) is/are true regarding butt welding? 1. Flash butt welding is a combination of resistance, arc and pressure welding 2. Upset butt welding is used for welding rods 3. Percussion Welding is a self timing spot welding method 4. Aluminium alloys are flash welded
Most of the oxy-acetylene welding is done with
Oxy-acetylene welding is categorised in
The oxy acetylene gas welding is a type of?
For what thickness of a material, in an oxy-acetylene is a welding rod used?
The temperature of oxy-acetylene flame is around
Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.