api 1104 cwi test questions

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:-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

Q:-Lineup clamps shall be used for butt welds in accordance with the procedure specification. When it is permissible to remove the lineup clamp before the root bead is completed:

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1. The completed part of the bead shall be in approximately equal segments spaced approximately equally around the circumference of the joint. 

2. The completed part of the bead shall be removed and rewelded after removing the clamp. 

3. The completed part of the bead shall be peened before removing the clamp. 

4. The completed part of the bead shall be at least 4 inches long for all pipe sizes 

5. None of the Above