Question 168Electricity/Electronics - Assistant Engineer70% to pass
Which of the following methods should be used to dress the face of silver-plated contacts?
AI Explanation
The correct answer is D) Sanding with 0000 sandpaper.
To dress the face of silver-plated contacts, sanding with 0000 sandpaper is the recommended method. This gentle abrasive action helps to remove any oxidation or tarnish on the contact surface, restoring a clean, conductive finish without damaging the underlying silver plating. The fine grit of 0000 sandpaper ensures a smooth, polished appearance without removing too much material.
The other options, such as knurling, filing, or burnishing, are not suitable for delicate silver-plated contacts as they could potentially scratch or deform the surface, compromising the integrity of the electrical connection.
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