aws cwi preparation material

Q:- A 10 mm fillet weld has a nominal :

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1). Throat dimension of 10 mm
2). Area of 10 mm
3). Leg length of 10 mm
4). All of the above

Q:- Steels that have intentional addition of sulphur , lead or selenium to improve machinability :

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A) Are used for truck axles only
B) Can not be welded
C) Can develop liquation crack in the HAZ after welding
D) Do not require approved procedures to be welded