M

Mr. Dubey • 52.30K Points
Coach 

Q. Which of the following is true about flux core arc welding?

(A) low deposition rate
(B) cannot weld narrow angles
(C) slag removal required
(D) generates less volume of fumes and smoke.
Correct : Option (C)

Explanation: 
 the following are some advantages of flux core arc welding: (i)high deposition rates, (ii)can be used to groove angles as narrow as 30˚, (iii)welds in all positions can be made, (iv)has excellent weld pool control. some disadvantages are: (i) slag removal required, (ii) generates large volume of fumes and smoke.

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