M

Mr. Dubey • 52.30K Points
Coach 

Q. Which of the following defects occur due to flux employed and electrode coating?

(A) inclusion of slag
(B) inadequate penetration
(C) incomplete fusion
(D) porosity
Correct : Option (A)

Explanation: 
 slag inclusions are one of the main weld defects. if we don’t properly clean the slag from a bead, we run the risk of it becoming part of the weld when we run the next bead. a good welder will generally burn it out on the next pass, but if not, there will be a chunk of slag in the bead which leaves a weak spot. slag inclusions.

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