aws cwi part c sample questions

Q:- Which of the following may increase the risk of haz cracking when welding thick section carbon manganese steel?

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1. Slow cooling after welding
2. Low moisture content in the electrode covering
3. Use of a steel grade with a low cev
4. Use of a low heat input

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Q:-Cast and helix are terms that refers to

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A. Ingredients in the flux coating
B. Bead deposition techniques for distortion control
C.quality of the welding wires
D. Sources from which wires are drawn

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Q:- Undercutting adjacent to the final bead on the outside of production pipe welds shall:

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1. Not be permitted
2. Not be more than 1/32 inch or 12.5% of the pipe wall thickness, whichever is smaller
3. Not be more than 1/8 inch or 6% of the pipe wall thickness, whichever is smaller
4. Always be acceptable if the inspector does not see it
5. None of the above

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Q:- High intensity energy beams are associated with which of the following welding process

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1. Laser
2. Electron beam
3. Plasma
4. All of the above

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Q:- What F – number(s) apply to the proper filler metal for this qualification?

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A. 1 and 6
B. 2 and 6
C. 1 and 4
D. 4 only
E. 1 only

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