cwi exam pass rate

Q:-What test specimens are required?

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A. side bends tests
B. 1 face bend and 1 root bend
C. 1 T-joint break
D. 2 side bends and 2 root bends
E. None of the above

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Q:- Welding inspection personnel shall be qualified by:

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A. American Welding Society
B. American Society for Nondestructive Testing
C. American Petroleum Institute
D. American Society of Mechanical Engineers
E. Experience and training for the specified inspection task they perform

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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:-With reference to the various grades of stainless steel which of the following statement is true?

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1. They are all nonmagnetic
2. Only certain grades can be used for service at a very low temperature
3. They are all 100 ar for the mag
4. They are all very high thermal conductivity

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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:-What is meant by the term duty cycle?

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A. How long a welder can weld for in a given period
B. The amount of time the electrodes are being used
C. The amount of time a welding machine can be weld
D. The amount of electricity being consumed

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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:- 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:- 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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Q:-What is a typical ARC voltage setting when welding with the TIG (GTAW) process?

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A. 18-20V
B. 24-26V
C. 10-12V
D. 70-90V

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