Question:
The paints are used where the vessel area is subjected to corrosion both by water and air is called
The paints are used where the vessel area is subjected to corrosion both by water and air is called
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Marine Paint Zones:
BOOT-TOPPING = Waterline area exposed alternately to BOTH WATER AND AIR.
Antifouling bottom paint = Permanently submerged bottom hull.
Topsides = Superstructure/Above waterline.
BOOT-TOPPING = Waterline area exposed alternately to BOTH WATER AND AIR.
Antifouling bottom paint = Permanently submerged bottom hull.
Topsides = Superstructure/Above waterline.
Updated On: Sep 7, 2026
- Boat topping
- Under water parts
- Hull surface above the water line
- Shot blasting
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Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Marine fishing vessel maintenance and protective coatings: boot-topping paints protect the waterline splash zone subjected to alternating immersion in seawater and atmospheric oxygen exposure.
Step 2: Detailed Explanation:
In fishing vessel construction and marine protective paint technology:
- A fishing boat hull is divided into distinct corrosion zones:
1. Boot Topping (Boot Top Area) (A): The critical belt or waterline zone between the light (unladen) and deep (fully laden) load waterlines of a vessel. This area is continually subjected to severe alternating corrosion and weathering by both seawater, splash, and atmospheric air/sunlight. Specialized tough, weather-resistant, non-chalking, antifouling paints applied here are termed Boot-topping paints.
2. Bottom Underwater Paints: Antifouling paints permanently submerged below the waterline.
3. Topsides Paints: Applied to hull surfaces permanently above the waterline.
Step 3: Final Answer:
Hence, the paints used in this zone are called Boat topping (Boot topping), corresponding to option (A).
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