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Q: Slag formation in the welding process primarily:
  • A. Enhance the welding speed
  • B. Acts as a filler material
  • C. Weaken the weld joint
  • D. Protects the weld from atmospheric contamination
Correct Answer: Option D - Slag formation– Slag in welding is a by product that is formed during the welding process it is non metallic substances that forms a layer on top of the weld pool. Slag is produced due to the flux used in welding, which is chemical composed that is used to protect the weld from contamination by atmospheric gases.
D. Slag formation– Slag in welding is a by product that is formed during the welding process it is non metallic substances that forms a layer on top of the weld pool. Slag is produced due to the flux used in welding, which is chemical composed that is used to protect the weld from contamination by atmospheric gases.

Explanations:

Slag formation– Slag in welding is a by product that is formed during the welding process it is non metallic substances that forms a layer on top of the weld pool. Slag is produced due to the flux used in welding, which is chemical composed that is used to protect the weld from contamination by atmospheric gases.