Multiple Choice
What is the purpose of a gas lens?
A) It helps to see the molten weld pool by magnifying it.
B) It filters out most of the harmful UV and some of the IR light.
C) It reduces the turbulence in the shielding gas.
D) It filters out dust and dirt that might be in the shielding gas due to a dirty shielding gas hose.
Correct Answer:
Verified
Correct Answer:
Verified
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