duco polisher Interview Questions and Answers

1. What is a Duco polisher used for?

   • Answer: A Duco polisher is used to smooth and shine automotive paint (Duco was a brand name of early automotive paint), removing imperfections like scratches, swirl marks, and oxidation to restore a high-gloss finish.

2. What are the different types of Duco polishers?

   • Answer: There are rotary polishers (high-speed, aggressive), dual-action polishers (less aggressive, random orbital motion), and mini polishers (for smaller areas or detail work). Each offers different levels of correction and ease of use.

3. Explain the difference between rotary and dual-action polishers.

   • Answer: Rotary polishers spin at a high speed in a circular motion, providing aggressive cutting power but requiring more skill to avoid burning the paint. Dual-action polishers combine a circular motion with an orbital motion, resulting in less aggressive cutting and a lower risk of paint damage, ideal for beginners.

4. What are the safety precautions when using a Duco polisher?

   • Answer: Always wear safety glasses to protect your eyes from flying debris. Wear a respirator mask to avoid inhaling dust and polish particles. Use proper ventilation. Never leave the polisher running unattended. Always start with a test area to check the polish's effect.

5. What types of polishing compounds are used with a Duco polisher?

   • Answer: Various compounds exist, ranging from aggressive cutting compounds to milder polishing and finishing compounds. The choice depends on the severity of the imperfections and desired finish.

6. How do you choose the right polishing pad for a Duco polisher?

   • Answer: The pad's aggressiveness should match the polishing compound. Cutting pads are more aggressive, polishing pads are moderate, and finishing pads are the least aggressive, providing a high gloss.

7. What is the proper technique for applying polishing compound?

   • Answer: Apply a small amount of compound to the pad, not directly to the paint. Work in overlapping sections, maintaining even pressure and speed. Avoid applying too much pressure, which can lead to burning.

8. How do you know when to stop polishing?

   • Answer: Stop when the desired level of correction and shine is achieved. If you notice the paint becoming too hot or you are leaving swirl marks, you've likely gone too far.

9. What is the importance of using a clean polishing pad?

   • Answer: A clean pad prevents the introduction of contaminants, which can scratch the paint. Dirty pads can also become less effective.

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