aws cwi questions and answers pdf

Q:- What is the range of thickness of base metals that AWS D1.1 covers?

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1. All thicknesses
2. All thicknesses exceeding 1/8 inch
3. Only thicknesses between 1/8 inch and 1 inch
4. Thicknesses of 1/8 inch and greater

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Q:-What test specimens are required?

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A. side bends tests
B. 1 face bend and 1 root bend
C. 1 T-joint break
D. 2 side bends and 2 root bends
E. None of the above

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Q:-Which of the following welding processes. Uses to resistance spot welding?

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1. Electro slag welding
2. Resistance spot welding
3. Tig
4. Mag

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Q:-With reference to the various grades of stainless steel which of the following statement is true?

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1. They are all nonmagnetic
2. Only certain grades can be used for service at a very low temperature
3. They are all 100 ar for the mag
4. They are all very high thermal conductivity

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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:- To BS 499 part 2, which of the following is true for a welding symbol?

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1. This or arrow side of the joint goes on top of the reference line
2. This or arrow side of the joint goes below the reference line
3. This or arrow side of the joint goes in the middle of the reference line
4. All 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:- The exposed surfaces of each fillet-weld-break specimen shall show:

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1. No Slag inclusions greater than 1/4 inch
2. At least 3/4 inches sound metal between adjacent inclusions
3. Complete penetration and fusion
4. The tensile strength of the specimen
5. None of the above

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