api 1104 cwi test questions

Q:- The dip transfer mode. Of metal transfer uaed for mig/ mag welding is characteristics by

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1. Giving deep penetration
2. Being suitable for position welding
3. Giving low spatter
4. All of the above

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Q:- What does the term high frequency mean when referring to TIG Welding?

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A. A high integrity weld is easily achievable 

B. The power source gives a high duty cycle 

C. A high voltage spark is used to initiate the arc 

D. The output from the power source is high

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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:- In a fillet weld fracture test the specimen is broken with

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1. The fillet weld in tesnsion
2. The fillet weld in compression
3. No specific method need to be adapted
4. Suitable machining

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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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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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