QuickPass Certified Welding Inspector AWS/CWI Study Guide

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:- When automatic or semiautomatic welding is used, which of the following shall be removed by grinding before welding over them?

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1. Surface Porosity Clusters
2. Bead Starts
3. High Points
4. All of the above
5. None of the above

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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:- When welding on construction site which type of power source would be considered to be the most unsafe:

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1. 110Volt main machine
2. 440Volt main machine
3. Diesel engine driven welding generator process
4. All welding hav the same safety factors

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Q:- The similarities between BS EN22553 and AWS A2.4in deciding welding symbols are

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1. Both have the same rule for depicting weld at round
2. Both have the same rule for depicting other side
3. Both have the same rule for depicting sequence of operations
4. Both have the same method for depicting welding process

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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:-The output characteristics of TIG and Plasma TIG set are normally :

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1. Constant potential  

2. Flat characteristics  

3. Drooping arc characteristics  

4. Constant voltage

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