AUXSEA EXAM QUESTIONS WITH CORRECT ANSWERS

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A fiberglass hull is composed of - CORRECT ANSWERS ✔✔fiberglass strands
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and layers saturated with resin.
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List the four types of fiberglass reinforcing materials: - CORRECT ANSWERS
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✔✔1. Fiberglass Mat
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2. Fiberglass Cloth
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3. Woven Roven
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4. Chopped Strands
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The two types of resins used in fiberglass construction are - CORRECT
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ANSWERS ✔✔polyester and epoxy. \| \| \|




There are many substances added to boat building resins. - CORRECT
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ANSWERS ✔✔They are used to harden the resin, control curing time and
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make the resin fire retardant.
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A male mold is known as a - CORRECT ANSWERS ✔✔plug.
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A female mold is known as a - CORRECT ANSWERS ✔✔cavity mold.
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,The hand-layup and chopped-strand processes are used in a - CORRECT
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ANSWERS ✔✔cavity mold. \| \|




In the hand-layup and chopped-strand processes, - CORRECT ANSWERS
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✔✔the gel coat is applied to the inside of the mold first.
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In the matched-die method, - CORRECT ANSWERS ✔✔the male and female
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molds are clamped together with a laminate between.
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What core materials are used in sandwich construction? - CORRECT
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ANSWERS ✔✔Balsa wood Foamed Plastic Plywood \| \| \| \| \|




List the advantages of fiberglass-built boats. - CORRECT ANSWERS
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✔✔Fiberglass is: Impervious to marine borers. No seams or joints to leak.
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Color can be molded into the boat. Boats can be extremely strong. Fiberglass
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can be molded into almost any shape.
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List the disadvantages of fiberglass-built boats. - CORRECT ANSWERS
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✔✔Fiberglass is heavier than water Fiberglass hulls are very heavy Easy to
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cover shoddy workmanship
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What are the two general classes of wood? - CORRECT ANSWERS
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✔✔Hardwood Softwood. \|

,What are the principal considerations in the selection of various types of
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wood for boat building? - CORRECT ANSWERS ✔✔Strength Decay
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resistance Availability \|




List the advantages of steel for boat building. - CORRECT ANSWERS
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✔✔Higher strength-to-weight ratio than fiberglass, Highest strength-to-
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weight ration, High resistance to impact, Abrasion and fatigue resistance, Less
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noisy than all but wood, Resistant to fire.
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The disadvantage of steel for boat building is that - CORRECT ANSWERS
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✔✔it deteriorates easily without proper maintenance.
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Why must you put a layer of nonmetallic paint between the hull of an
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aluminum boat and a layer of copper bottom paint? - CORRECT ANSWERS
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✔✔Galvanic action will corrode the hull if the aluminum and copper touch.
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Note: Copper bottom paint is now illegal and not used.
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List the advantages of aluminum for boat building. Aluminum is: - CORRECT
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ANSWERS ✔✔lightweight impervious to marine borers. \| \| \| \| \|




List the disadvantages of aluminum for boat building. - CORRECT ANSWERS
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✔✔It is a good heat conductor so aluminum hulls sweat, It has a relatively low
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melting point and melts sooner than steel if there is a fire. It is noisy.
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The six types of steering systems are: - CORRECT ANSWERS ✔✔Tiller Drum
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and Cable Sprocket and Chain Rack and Pinion Gear and Shaft Hydraulic
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, The simplest steering system is - CORRECT ANSWERS ✔✔the tiller.
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The curve or sweep of the deck of a vessel when viewed from the side is -
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CORRECT ANSWERS ✔✔the sheer. \| \| \|




The outward curvature of the sides of the boat near the bow that is used to
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keep the deck drier is called - CORRECT ANSWERS ✔✔the flare.
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What are the three basic shapes of the bottom of a boat? - CORRECT
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ANSWERS ✔✔Flat Round Vee \| \| \|




What is the difference between a displacement and planing hull? - CORRECT
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ANSWERS ✔✔A displacement hull displaces water without riding above its\| \| \| \| \| \| \| \| \| \|




bow wave as it moves. A planing hull allows the hull to ride up on the after
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part of the hull when it moves fast enough.
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In wood boat construction, the plank attached starting at the gunwale is -
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CORRECT ANSWERS ✔✔the sheer strake. \| \| \| \|




A timber fastened along the top of the keel is called - CORRECT ANSWERS
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✔✔the Keelson \|




What is the difference between a trunk cabin and a raised deck cabin? -
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CORRECT ANSWERS ✔✔A raised deck cabin extends the full width of the \| \| \| \| \| \| \| \| \| \| \| \|




hull while the trunk cabin extends less than the width of the hull so walkways
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are left on either side.
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