Projection welding & stud welding is categorised as the _______________ welding?
Correct answer: C. Resistance
- A. Pressure
- B. Thermit
- C. Resistance
- D. Arc
Explanation
Projection welding and stud welding use electrical resistance at the contacting surfaces to generate heat and form the joint. They are therefore classified as resistance welding processes, not arc or thermit welding.
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