Question On AWS CWI Certification Exam Study Materials

Q:- The most serious defect types are:

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1. Planar
2. Cracks
3. Lack of fusion
4. All 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:- One the advantages of ultrasonic inspection in relation to radiographic testing to;

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A. Access is generally only required from one side (surface)of the component being tested
B. The designated work area must be closed off by barriers, therefore safety is increased
C. This materials can be easily examined
D. A permanent image of the defect can be obtained

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Q:- The correct term for a joint prepared on one component only is:

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1. A Bevel Butt  

2. A J Butt  

3. A K Butt  

4. All of the Above 

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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

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Q:- What is meant by the term junction?

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1. The area containing the HAZ and the weld metaL
2. The weld metal and parent metal
3. The boundery between the fusion zone and the HAZ
4. The part of the weld, has undergone mettalurgical changes due to the heat from welding

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Q:- When 2 different material types are welded together, the joint may be referred to as

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A. A Composite Joint
B. A transition Joint
C. A Dissimilar Metal Joint
D. Either B or C

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Q:- Why is it essential to clean the surrounding parent metal adjacent to the weld metal made by MMA(SMAW) which is to be ultrasonically tested?

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  • Sound waves will not travel though paint 
  • Remove any rust 
  • The spatter will impede the contact of the probe and the parent material surface 
  • Spatter will reflect the back will echo signal and give spurious indications 

 

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Q:- While inspecting a weld on a 100mm thick high carbon steel plate with tolerance of +5mm you find the weld is visual acceptable, however the parent material has several arc strikes present adjusted the weld approximately 3mm drop deep, what course of action would you take?

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1. None I am only inspecting the weld
2. Recommended that the area be dressed smooth
3. Recommended that the area be dressed smooth followed by MPI
4. High carbon steel is net susceptible to cracking so I would weld over the arc strikes then blend them

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Q:- If the welder who performs this procedure qualification test is also qualified, in what position that individual qualified for production welding?

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a. F,OH groove in plate
b. F,H,OH fillet in plate
c. F fillet in pipe
d. None of the above
e. All of the above

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