Paint/Costs Flashcards
What percentage of cost of coating for commerical ship’s?
0-5%
What is the cost in percentage for a paint coating on a chemical tanker?
5-15%
What percent of drydock costs goes to the expense of paint?
50%
Corrosion is the reaction when a _______ and _________ form.
Cathode/Anode
True or False: Rust occupies 5x the volume of the original material.
False, 6x
If paint gets into your eyes flush for at least _____________.
10 minutes
When does it get applied and what does anti-corrosive paint do?
Applied first and prevents rust
What does anti-fouling paint do?
prevents marine growth
Without anti-fouling marine growth causes ______% more drag and ______% more barnacle coverage.
20/60
Bottom paint is applied where?
beneath the water line
Boot topping is what?
the paint which is applied at the water line that is subjected to the most wear.
True or False: Silicone Coating provides and ultra smooth surface.
True
What are the name of two different blocks used to hold the vessel upright while being worked on during DRYDOCK?
Keep and Bilge blocks
Electrolysis helps prevent the ________ of metal from the environmental conditions on the bottom side of the vessel while in the water.
erosion
Give to examples of Electrolysis?
Active and Passive