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AUXSEA EXAM 2025 QUESTIONS AND
ANSWERS.
1. A fiberglass hull is composed of - correct answer - fiberglass strands
and layers saturated with resin.
2. List the four types of fiberglass reinforcing materials: - correct answer -
1. Fiberglass Mat
Fiberglass Cloth
Woven Roven
Chopped Strands
3. The two types of resins used in fiberglass construction are - correct
answer - polyester and epoxy.
4. There are many substances added to boat building resins. - correct
answer - They are used to harden the resin, control curing time and
make the resin fire retardant.
5. A male mold is known as a - correct answer - plug.
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6. A female mold is known as a - correct answer - cavity mold.
7. The hand-layup and chopped-strand processes are used in a - correct
answer - cavity mold.
8. In the hand-layup and chopped-strand processes, - correct answer - the
gel coat is applied to the inside of the mold first.
9. In the matched-die method, - correct answer - the male and female
molds are clamped together with a laminate between.
10. What core materials are used in sandwich construction? - correct
answer - Balsa wood Foamed Plastic Plywood
11. List the advantages of fiberglass-built boats. - correct answer -
Fiberglass is: Impervious to marine borers. No seams or joints to leak.
Color can be molded into the boat. Boats can be extremely strong.
Fiberglass can be molded into almost any shape.
12. List the disadvantages of fiberglass-built boats. - correct answer -
Fiberglass is heavier than water Fiberglass hulls are very heavy Easy to
cover shoddy workmanship
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13. What are the two general classes of wood? - correct answer -
Hardwood Softwood.
14. What are the principal considerations in the selection of various types
of wood for boat building? - correct answer - Strength Decay resistance
Availability
15. List the advantages of steel for boat building. - correct answer -
Higher strength-to-weight ratio than fiberglass, Highest strength-to-
weight ration, High resistance to impact, Abrasion and fatigue
resistance, Less noisy than all but wood, Resistant to fire.
16. The disadvantage of steel for boat building is that - correct answer - it
deteriorates easily without proper maintenance.
17. Why must you put a layer of nonmetallic paint between the hull of an
aluminum boat and a layer of copper bottom paint? - correct answer -
Galvanic action will corrode the hull if the aluminum and copper touch.
Note: Copper bottom paint is now illegal and not used.
18. List the advantages of aluminum for boat building. Aluminum is: -
correct answer - lightweight impervious to marine borers.
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19. List the disadvantages of aluminum for boat building. - correct answer
- It is a good heat conductor so aluminum hulls sweat, It has a relatively
low melting point and melts sooner than steel if there is a fire. It is noisy.
20. The six types of steering systems are: - correct answer - Tiller Drum
and Cable Sprocket and Chain Rack and Pinion Gear and Shaft
Hydraulic
21. The simplest steering system is - correct answer - the tiller.
22. The curve or sweep of the deck of a vessel when viewed from the
side is - correct answer - the sheer.
23. The outward curvature of the sides of the boat near the bow that is
used to keep the deck drier is called - correct answer - the flare.
24. What are the three basic shapes of the bottom of a boat? - correct
answer - Flat Round Vee
AUXSEA EXAM 2025 QUESTIONS AND
ANSWERS.
1. A fiberglass hull is composed of - correct answer - fiberglass strands
and layers saturated with resin.
2. List the four types of fiberglass reinforcing materials: - correct answer -
1. Fiberglass Mat
Fiberglass Cloth
Woven Roven
Chopped Strands
3. The two types of resins used in fiberglass construction are - correct
answer - polyester and epoxy.
4. There are many substances added to boat building resins. - correct
answer - They are used to harden the resin, control curing time and
make the resin fire retardant.
5. A male mold is known as a - correct answer - plug.
, Page |2
6. A female mold is known as a - correct answer - cavity mold.
7. The hand-layup and chopped-strand processes are used in a - correct
answer - cavity mold.
8. In the hand-layup and chopped-strand processes, - correct answer - the
gel coat is applied to the inside of the mold first.
9. In the matched-die method, - correct answer - the male and female
molds are clamped together with a laminate between.
10. What core materials are used in sandwich construction? - correct
answer - Balsa wood Foamed Plastic Plywood
11. List the advantages of fiberglass-built boats. - correct answer -
Fiberglass is: Impervious to marine borers. No seams or joints to leak.
Color can be molded into the boat. Boats can be extremely strong.
Fiberglass can be molded into almost any shape.
12. List the disadvantages of fiberglass-built boats. - correct answer -
Fiberglass is heavier than water Fiberglass hulls are very heavy Easy to
cover shoddy workmanship
, Page |3
13. What are the two general classes of wood? - correct answer -
Hardwood Softwood.
14. What are the principal considerations in the selection of various types
of wood for boat building? - correct answer - Strength Decay resistance
Availability
15. List the advantages of steel for boat building. - correct answer -
Higher strength-to-weight ratio than fiberglass, Highest strength-to-
weight ration, High resistance to impact, Abrasion and fatigue
resistance, Less noisy than all but wood, Resistant to fire.
16. The disadvantage of steel for boat building is that - correct answer - it
deteriorates easily without proper maintenance.
17. Why must you put a layer of nonmetallic paint between the hull of an
aluminum boat and a layer of copper bottom paint? - correct answer -
Galvanic action will corrode the hull if the aluminum and copper touch.
Note: Copper bottom paint is now illegal and not used.
18. List the advantages of aluminum for boat building. Aluminum is: -
correct answer - lightweight impervious to marine borers.
, Page |4
19. List the disadvantages of aluminum for boat building. - correct answer
- It is a good heat conductor so aluminum hulls sweat, It has a relatively
low melting point and melts sooner than steel if there is a fire. It is noisy.
20. The six types of steering systems are: - correct answer - Tiller Drum
and Cable Sprocket and Chain Rack and Pinion Gear and Shaft
Hydraulic
21. The simplest steering system is - correct answer - the tiller.
22. The curve or sweep of the deck of a vessel when viewed from the
side is - correct answer - the sheer.
23. The outward curvature of the sides of the boat near the bow that is
used to keep the deck drier is called - correct answer - the flare.
24. What are the three basic shapes of the bottom of a boat? - correct
answer - Flat Round Vee
