14. A joining process produces a coalescence of materials by heating to a melting point, with or without the use of filler metal is called Welding.
D. Welding
- It is often referred to as 'stick welding' or manual metal arc welding. This process produces coalescence of metals by heating them with an arc between a covered metal electrode and the base metal work piece.
15. The growing together or growth into one body of materials being welded is called Coalescence.
A. Coalescence
- Coalescence - The growing together or growth into one body of materials being welded
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