1.

Which of the following outlines the features of A.C welding over D.C welding?

A. The cost of equipment is higher2. It is less safe as no-load voltage is high3. The efficiency is higher due to the absence of rotating parts
B. The cost of equipment is higher2. It is safer3. The efficiency is higher due to the absence of rotating parts
C. The cost of equipment is cheaper2. It is less safe as the no-load voltage is high3. The efficiency is higher due to the absence of rotating parts
D. The cost of equipment is cheaper2. It is less safe as the no-load voltage is high3. The efficiency is lower due to the presence of rotating parts
Answer» D. The cost of equipment is cheaper2. It is less safe as the no-load voltage is high3. The efficiency is lower due to the presence of rotating parts


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