Q.

Magnetic Arc blow is a welding defect generally encountered in

  • AArc welding using AC current
  • BArc welding using DC current
  • CThermit welding
  • DGas welding
Correct Answer : (B)

Arc welding using DC current

Hints :

Magnetic Arc blow is a welding defect generally encountered in Arc welding using DC current.

Previous

During resistance welding heat produced at the joint is proportional to

Next

The metal surfaces for electrical resistance welding must be

Join The Discussion