(2025 EXAM) UWSH CHAP 13 Sec 1 Flashcards
1
Q
- What is the first layer of propulsion shaft covering?
A
Primer. One-component. Applied by brush roller
2
Q
Second layer?
A
Elastomeric coating. Two-component system, applied by reaction spray equipment.
3
Q
What is the Third layer of the shaft covering made of?
A
Sealing/fairing compound. Two-component. Applied with squeegee.
4
Q
What is the Fourth layer of the shaft covering made of?
A
Glass Reinforced Plastic (GRP).
5
Q
Which layers can be omitted?
A
layers 1 and 2 can be omitted if dry docked every 10 years or less. (Except Air craft carriers)
6
Q
Layers that can be repaired in water?
A
Layers 1, 3, and 4.
7
Q
Fairwaters are composed of?
A
Copper Nickel but sometimes fiberglass.
