aws cwi question bank

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

Posted on


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

Advertisements

Q:-Cast and helix are terms that refers to

Posted on Updated on


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