Which one of the following statements is correct?

1.	Which one of the following statements is correct?
A.	No flux is used in gas welding of mild steel
B.	Borax is the commonly used flux coating welding electrodes
C.	2
D.	AC can be used for GTAW process
Answer» B. Borax is the commonly used flux coating welding electrodes

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Which one of the following statements is correct?

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