aws cwi question bank

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


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