aws cwi practice test

Q:- Open corner joint is one of the following

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  1. BUTT WELD
  2. FILLET WELD
  3. PLUG WELD
  4. SPOT WELD

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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:- 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:- Why is the arc shielded. When using an arc welding process?

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A. To eliminate the colling from the arc
B. To retarded cooling rate of solidify metal
C. To excluded the atmosphere from the arc region
D. The arc not always shielded when using an arc welding process

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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:- 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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Q:-When considering the advantages of site RT over UT which of the following applies?

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1. A permanent record produced, good for detecting defects which do not have significant depth in relation to axis of the X-ray beam and defect identification
2. A permanent record produced, good for detecting all surface and sub-surface defects and assessing the through thickness depths of defects
3. A permanent record produced, defect identification not so reliant on operator skill
4. No controlled areas required on site, a permanent record produced and good for assessing the extent of pipe wall thickness reductions due to internal corrosio

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Q:- Which of the following is not the reason for the increase of HAZ cracking when welding carbon manganese steels?

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1. Fast cooling after welding
2. High manganese content
3. High carbon content
4. None of the above

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Q:- A medium carbon steel weld shoukd be inspected:

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1. As soon as it is safe to do so
2. When the weld is finished
3. 48hrs after the completion
4. After ndt examination

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Q:- A magnifying glass may be used during visual inspection but BS 5289 states that its magnification should be:

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A. Up to 5
B. 2 – 2.5
C. 5 – 10
D. None of the Above

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