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Two surfaces P and Q are to be joined together. In which of the given joining operation(s), there is no melting of the two surfaces P and Q for creating the joint? (A) Arc welding (B) Brazing (C) Adhesive bonding (D) Spot welding

1. (A) Arc welding
2. (B) Brazing
3. (C) Adhesive bonding
4. (D) Spot welding

Correct answer: (C) Adhesive bonding

Solution

Adhesive bonding involves using a substance to bond two surfaces together without melting them, unlike welding or brazing, which require heat to create a joint.

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