For what thickness of a material, in an oxy-acetylene is a welding rod used?(a) 10 mm(b) 15 mm(c) 20 mm(d) 25 mmI have been asked this question by my school principal while I was bunking the class.This question is from Oxy-Acetylene Welding in division Welding and Related Processes of Casting-Forming-Welding II

For what thickness of a material, in an oxy-acetylene is a welding rod

1.	For what thickness of a material, in an oxy-acetylene is a welding rod used?(a) 10 mm(b) 15 mm(c) 20 mm(d) 25 mmI have been asked this question by my school principal while I was bunking the class.This question is from Oxy-Acetylene Welding in division Welding and Related Processes of Casting-Forming-Welding II
Answer» The correct choice is (b) 15 mm Easy EXPLANATION: Oxy-acetylene processes are MAINLY used for the joining of metal sheets or for joining metal plates which are having a THICKNESS of 2MM to 50mm. When the thickness of the material is more than 15 mm, an additional filler metal is ADDED like a welding rod.

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