unit 202 oc1 Boat-Building Technology Quiz

What are some examples of hardwood timber?

• Teak, pine, Balsa, Elm

• spruce, Sapele, Balsa, Walnut

• Iroko, Oak, Sapele, Cedar

• Oak, Elm, Teak, Iroko

What do we mean by a veneer?

• A thin decorative covering of fine wood

• A type of synthetic fiber used in boat-building

• A type of metal alloy used in marine applications

• A chemical compound used to protect timber from corrosion

What are some examples of manufactured boards?

• MDF, Teak, Foam core, OSB

• Plywood, Blockboard, Marine plywood, Correx sheet

• Plywood, MDF, Honeycomb boards, Foam core

• Chipboard, phormica, Blockboard, Marine plywood

What do we mean by a composite?

• A combination of two or more constituent materials with different physical or chemical properties

• A type of metal alloy used in boat-building

• A synthetic fiber used in marine applications that produces a fine and even finish surface

• A chemical compound used to protect timber from corrosion

What are some properties of materials that can be identified?

• Weight, Colour, Smell, Texture

• Density, Texture, Smell, Grain, Taste

• Colour, Magnetism, Hardness, Orientation, Cost

• Magnetism, conductivity, Grain, Hardness, Orientation, sound

What are some examples of protective coatings used in marine applications?

• All of the above

• Anti-fouling, Teak decking, Varnished timber, Resins

• Plastic sheathing, Powder coatings, Vinyl wrapping, Gelcoat

• Varnishes, Paints, Preservatives, Metallic coatings

What is the main purpose of bonding in boat-building?

• To provide insulation for electrical components in order to avoid dangerous electric shocks, as part the HASAWA

• To protect materials from corrosion and erosion

• To create a decorative finish on boat surfaces

• To join things together securely by means of adhesive, heat, pressure or by chemical bonds

What is the gradual deterioration of materials by chemical or electrochemical reaction with their environment called?

• Corrosion

• Erosion

• Bonding

• Oxidation

What are some factors influencing the choice of materials in boat-building assembly and sub-assembly?

• None of the above

• Stability and longevity, Availability, Customer requirements

• Location, Cost, Weight, Durability

• All of the above

What are some examples of corrosion?

• Galvanic rust, Resins, PVA

• Oxidation, Erosion, Biofouling

• All of the above

• Rust, Rot, Staining