202 Mock Test 1 Principles of boatbuilding technology

What type of wood is commonly used in boatbuilding?

• Oak
• Pine
• Mahogany
• Teak
• Birch

Which of the following properties is used to identify metal materials?

• Smell
• Colour
• Grain
• Weight
• Magnetism

What is the storage requirement for timber in boatbuilding?

• Store in humidity-controlled rooms
• Store in direct sunlight
• Store flat, undercover with air circulation
• Store in water
• Store at high temperature

What type of bond is permanent and used in boatbuilding?

• Nails
• Screws
• Welding
• Split pins
• R clips

Which of these is a semi-permanent bond used in boatbuilding?

• Glue
• Welding
• Nuts
• Contact adhesive
• Polyester resin

Which material is known for being used in composites in boatbuilding?

• Copper
• Glass Reinforced Plastic (GRP)
• Balsa
• Steel
• Aluminium

What is one of the protective coatings used in marine applications?

• Varnishes
• Paints (including anti-fouling)
• Resins
• Plastic sheathing
• All of the above

What property of materials is important for identifying wood types?

• Corrosion resistance
• Magnetism
• Smell
• Weight

What is the major difference between oxidation and galvanic corrosion?

• Oxidation occurs only on metals
• Galvanic corrosion involves dissimilar metals
• Both happen in water
• Oxidation happens in air
• Galvanic corrosion is reversible

Which material has the highest durability for marine use?

• Teak
• Oak
• Mahogany
• Balsa
• Pine