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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:- A 10 mm fillet weld has a nominal :

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1). Throat dimension of 10 mm
2). Area of 10 mm
3). Leg length of 10 mm
4). All of the above