Question

True or False
1. AC welding machine is the only type of welding machine for pipe welding.
2. It is acceptable to adjust the flow of current to weld a pipe with scheduled 20.
3. Following the specifications on plan and details will only make the work slow but cannot affect work performance.​

Answer 1

Answer:

TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE

Answer 2

1. true

2. false

3. true