(2025 EXAM) UWSH CHAP 20 SEC 3

Question 1

1. What can be used to plot the area of repair?

Answer 1

Docking plans and component specific drawings

Question 2

What are the three major factors that limit underwater epoxy paints and fairing compounds?

Answer 2

Environmental, personnel and equipment, ship’s schedule

Question 3

How can surface preparation be done?

Answer 3

rotary wire wheel or abrasive blasting (Brush D)

Question 4

What is the paint and fairing compound known as?

Answer 4

HYCOTE 151 is the paint, HYCOTE 461 fairing compound

Question 5

What temperature is the cutoff for painting/fairing compounds?

Answer 5

75 degrees Fahrenheit

Question 6

Small paint application machine (SPAM). Is used for area’s less than ____ square feet and/or temperatures of water below 75°F.

Answer 6

200 sqft

Question 7

In Cooler water it may be necessary to use a _________ on the hose from the SPAM or LPAM in order to keep the paint at a workable temperature?

Answer 7

Hot water jacket.

Question 8

Divers working within ____ ft of ICCP systems must wear a full dry suit, unisuit, or wet suit with hood and gloves.

Answer 8

15ft

Question 9

________ _________ is the most important stage in the application of U/W paint and fairing compounds?

Answer 9

Surface preparation

Question 10

What is a Rupert Gauge used for?

Answer 10

To measure/compare propeller surface