Wood Finishing and Material Properties Quiz
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Questions and Answers

What is a key property of varnish?

  • Natural high-quality finish
  • Frequent reapplication needed
  • Water-resistant and glossy (correct)
  • Rubbed in along the grain

    • Wax requires infrequent reapplication to maintain its protective qualities.

    False

    Which of the following properties best describes Acrylic?

  • Stiff and brittle (correct)
  • Chemical-resistant
  • Durable and heat-resistant
  • Soft and flexible

    • How should varnish be applied?

    <p>With a brush, in the direction of the grain.</p> Signup and view all the answers

    Oil is applied with a clean ______, rubbing it into the wood along the grain.

    <p>cloth</p> Signup and view all the answers

    Thermoplastics can withstand high temperatures without losing their shape.

    <p>False</p> Signup and view all the answers

    Match the wood finishes with their properties:

    <p>Varnish = Infrequent application required Wax = Natural finish with a high sheen Oil = Enhances natural finish, reasonably durable</p> Signup and view all the answers

    What is the primary use of low-density polythene (LDPE)?

    <p>Bags and plastic bottles</p> Signup and view all the answers

    Nylon is known for its _____ and durability, making it suitable for use in clothing and ropes.

    <p>hard-wearing</p> Signup and view all the answers

    Match the following plastics with their respective uses:

    <p>Acrylic = Good substitute for glass ABS = Toys and kitchenware LDPE = Bags and plastic bottles Nylon = Gears and bearings</p> Signup and view all the answers

    Which of the following wood types is known for being very light and durable?

    <p>Cedar</p> Signup and view all the answers

    MDF is made from solid wood pieces glued together.

    <p>False</p> Signup and view all the answers

    What is the primary use of plywood?

    <p>Furniture, construction, and joinery.</p> Signup and view all the answers

    Blockboard is known for its good _____ capabilities.

    <p>load-bearing</p> Signup and view all the answers

    Match each manufactured board to its properties:

    <p>MDF = High strength, easily machined Plywood = Very strong and stable Chipboard = Strength depends on density Hardboard = Very weak and brittle</p> Signup and view all the answers

    What is a disadvantage of hardboard?

    <p>Almost like cardboard and brittle</p> Signup and view all the answers

    Beech wood can be steam-bent for various applications.

    <p>True</p> Signup and view all the answers

    Name one application where chipboard is commonly used.

    <p>Kitchen cabinets or worktops</p> Signup and view all the answers

    What is a primary use of polystyrene?

    <p>Food packaging</p> Signup and view all the answers

    Thermosetting plastics can be reshaped and softened upon reheating.

    <p>False</p> Signup and view all the answers

    Name one property of high-density polythene (HDPE).

    <p>Durable</p> Signup and view all the answers

    Polypropylene is known for being ______ and chemical resistant.

    <p>light</p> Signup and view all the answers

    Match the plastics with their primary properties:

    <p>Polystyrene = Light and stiff HDPE = Durable and tough Polypropylene = Light and rigid Thermosetting Plastics = Withstands high temperatures</p> Signup and view all the answers

    Which wood finish is typically applied using a spray for the best possible finish?

    <p>Lacquer</p> Signup and view all the answers

    Paint is primarily used to enhance the natural grain of wood.

    <p>False</p> Signup and view all the answers

    What is one property of stain as a wood finish?

    <p>Not very durable or protective</p> Signup and view all the answers

    Lacquer provides a glossy clear finish that enhances the __________ qualities of the wood.

    <p>natural</p> Signup and view all the answers

    Match the following wood finishes with their characteristics:

    <p>Stain = Adds colour but requires further finishing Paint = Hides natural grain and provides durability Lacquer = Glossy and hard-wearing clear finish Varnish = Similar application as paint and offers protective coat</p> Signup and view all the answers

    Which type of wood is known for being knot-free and very durable, commonly used in high-quality fencing?

    <p>Cedar</p> Signup and view all the answers

    Red pine is known for its durability and does not require protection during construction.

    <p>False</p> Signup and view all the answers

    What is the primary use of mahogany wood?

    <p>High-quality furniture, shop fittings, panelling, and veneers.</p> Signup and view all the answers

    ___ pine is characterized by a straight grain but is quite knotty and is typically available at a low cost.

    <p>Scots</p> Signup and view all the answers

    Match the wood type with its corresponding property:

    <p>Oak = Hard and tough, durable Teak = Coarse uneven texture, very expensive Ash = Flexible and tough, bends well Beech = Hard and strong, tends to warp</p> Signup and view all the answers

    Which wood is characterized by being light, strong, and resistant to splitting but is not very durable?

    <p>Spruce</p> Signup and view all the answers

    All hardwoods are more expensive than softwoods.

    <p>False</p> Signup and view all the answers

    Name one common use for MDF (medium-density fibreboard).

    <p>Furniture, construction, or joinery.</p> Signup and view all the answers

    Study Notes

    Wood Types

    • Softwoods are straight-grained, but knotty, and quite strong, and easy to work. White/brown in colour.
    • Hardwoods are light brown, pinkish brown, hard, tough, heavy and durable. Gets harder with age.
    • Cedar is straight-grained and knot- free. Very light and durable. Quite soft.
    • Spruce is quite strong with few knots. Resistant to splitting, but not durable.
    • Red pine is straight-grained, but knotty, quite strong and easy to work. Red/orange in colour.
    • Oak is light brown, pinkish brown, hard, tough, heavy and durable. Gets harder with age.
    • Beech is mid-brown colour, hard, strong, tough, tends to warp but bends well. Can be steam-bent.
    • Ash is light in colour, flexible, tough, bends well and varnishes well.
    • Mahogany is red/brown colour, medium in colour and age.
    • Teak is straight or wavy-grained. Coarse uneven texture with oily feel. Golden to darker brown. Very expensive.

    Manufactured Boards

    • Plywood is very strong, stable and easy to machine/work.
    • MDF (medium-density fibreboard) is high strength, easily machined, shaped, and paints well.
    • Chipboard is very strong, heavy, rigid and good load-bearing capabilities. Density of wood is dependent on chip size. Almost like hardboard. Very weak and brittle.
    • Blockboard is very strong, heavy, and strength is dependent on chip particle size.
    • Hardboard is made from gluing and compressing wood fibre.

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    Description

    Test your knowledge on wood finishes and properties of various materials in this engaging quiz. From varnish applications to the characteristics of different plastics, challenge yourself with a variety of questions. Perfect for students studying materials science or woodworking.

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